diff options
41 files changed, 805 insertions, 768 deletions
diff --git a/doc/indevs.texi b/doc/indevs.texi index 3b2c86290c..782c67fc35 100644 --- a/doc/indevs.texi +++ b/doc/indevs.texi @@ -504,9 +504,9 @@ command: ffmpeg -f sndio -i /dev/audio0 /tmp/oss.wav @end example -@section video4linux and video4linux2 +@section video4linux2 -Video4Linux and Video4Linux2 input video devices. +Video4Linux2 input video device. The name of the device to grab is a file device node, usually Linux systems tend to automatically create such nodes when the device @@ -514,36 +514,21 @@ systems tend to automatically create such nodes when the device kind @file{/dev/video@var{N}}, where @var{N} is a number associated to the device. -Video4Linux and Video4Linux2 devices only support a limited set of +Video4Linux2 devices usually support a limited set of @var{width}x@var{height} sizes and framerates. You can check which are -supported for example with the command @command{dov4l} for Video4Linux -devices and using @command{-list_formats all} for Video4Linux2 devices. +supported using @command{-list_formats all} for Video4Linux2 devices. -If the size for the device is set to 0x0, the input device will -try to auto-detect the size to use. -Only for the video4linux2 device, if the frame rate is set to 0/0 the -input device will use the frame rate value already set in the driver. - -Video4Linux support is deprecated since Linux 2.6.30, and will be -dropped in later versions. +Some usage examples of the video4linux2 devices with ffmpeg and ffplay: Note that if FFmpeg is build with v4l-utils support ("--enable-libv4l2" option), it will always be used. - -Follow some usage examples of the video4linux devices with the ff* -tools. @example -# Grab and show the input of a video4linux device, frame rate is set -# to the default of 25/1. -ffplay -s 320x240 -f video4linux /dev/video0 - -# Grab and show the input of a video4linux2 device, auto-adjust size. -ffplay -f video4linux2 /dev/video0 +# Grab and show the input of a video4linux2 device. +ffplay -f video4linux2 -framerate 30 -video_size hd720 /dev/video0 -# Grab and record the input of a video4linux2 device, auto-adjust size, -# frame rate value defaults to 0/0 so it is read from the video4linux2 -# driver. -ffmpeg -f video4linux2 -i /dev/video0 out.mpeg +# Grab and record the input of a video4linux2 device, leave the +framerate and size as previously set. +ffmpeg -f video4linux2 -input_format mjpeg -i /dev/video0 out.mpeg @end example "v4l" and "v4l2" can be used as aliases for the respective "video4linux" and diff --git a/libavcodec/Makefile b/libavcodec/Makefile index e4834f3c3d..29ed9575f1 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -100,8 +100,8 @@ OBJS-$(CONFIG_AYUV_ENCODER) += v408enc.o OBJS-$(CONFIG_BETHSOFTVID_DECODER) += bethsoftvideo.o OBJS-$(CONFIG_BFI_DECODER) += bfi.o OBJS-$(CONFIG_BINK_DECODER) += bink.o binkdsp.o -OBJS-$(CONFIG_BINKAUDIO_DCT_DECODER) += binkaudio.o wma.o -OBJS-$(CONFIG_BINKAUDIO_RDFT_DECODER) += binkaudio.o wma.o +OBJS-$(CONFIG_BINKAUDIO_DCT_DECODER) += binkaudio.o wma.o wma_common.o +OBJS-$(CONFIG_BINKAUDIO_RDFT_DECODER) += binkaudio.o wma.o wma_common.o OBJS-$(CONFIG_BINTEXT_DECODER) += bintext.o cga_data.o OBJS-$(CONFIG_BMP_DECODER) += bmp.o msrledec.o OBJS-$(CONFIG_BMP_ENCODER) += bmpenc.o @@ -460,12 +460,12 @@ OBJS-$(CONFIG_VP6_DECODER) += vp6.o vp56.o vp56data.o vp56dsp.o \ OBJS-$(CONFIG_VP8_DECODER) += vp8.o vp8dsp.o vp56rac.o OBJS-$(CONFIG_VQA_DECODER) += vqavideo.o OBJS-$(CONFIG_WAVPACK_DECODER) += wavpack.o -OBJS-$(CONFIG_WMALOSSLESS_DECODER) += wmalosslessdec.o wma.o -OBJS-$(CONFIG_WMAPRO_DECODER) += wmaprodec.o wma.o -OBJS-$(CONFIG_WMAV1_DECODER) += wmadec.o wma.o aactab.o -OBJS-$(CONFIG_WMAV1_ENCODER) += wmaenc.o wma.o aactab.o -OBJS-$(CONFIG_WMAV2_DECODER) += wmadec.o wma.o aactab.o -OBJS-$(CONFIG_WMAV2_ENCODER) += wmaenc.o wma.o aactab.o +OBJS-$(CONFIG_WMALOSSLESS_DECODER) += wmalosslessdec.o wma_common.o +OBJS-$(CONFIG_WMAPRO_DECODER) += wmaprodec.o wma.o wma_common.o +OBJS-$(CONFIG_WMAV1_DECODER) += wmadec.o wma.o wma_common.o aactab.o +OBJS-$(CONFIG_WMAV1_ENCODER) += wmaenc.o wma.o wma_common.o aactab.o +OBJS-$(CONFIG_WMAV2_DECODER) += wmadec.o wma.o wma_common.o aactab.o +OBJS-$(CONFIG_WMAV2_ENCODER) += wmaenc.o wma.o wma_common.o aactab.o OBJS-$(CONFIG_WMAVOICE_DECODER) += wmavoice.o \ celp_math.o celp_filters.o \ acelp_vectors.o acelp_filters.o diff --git a/libavcodec/acelp_pitch_delay.c b/libavcodec/acelp_pitch_delay.c index 66d65a6903..667c49ba20 100644 --- a/libavcodec/acelp_pitch_delay.c +++ b/libavcodec/acelp_pitch_delay.c @@ -116,7 +116,7 @@ int16_t ff_acelp_decode_gain_code( ); #else mr_energy = gain_corr_factor * exp(M_LN10 / (20 << 23) * mr_energy) / - sqrt(dsp->scalarproduct_int16(fc_v, fc_v, subframe_size, 0)); + sqrt(dsp->scalarproduct_int16(fc_v, fc_v, subframe_size)); return mr_energy >> 12; #endif } diff --git a/libavcodec/arm/dsputil_init_neon.c b/libavcodec/arm/dsputil_init_neon.c index 3f4dcdad5c..4c73276a95 100644 --- a/libavcodec/arm/dsputil_init_neon.c +++ b/libavcodec/arm/dsputil_init_neon.c @@ -171,8 +171,7 @@ void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min, void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, int blocksize); -int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len, - int shift); +int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len); int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul); diff --git a/libavcodec/arm/int_neon.S b/libavcodec/arm/int_neon.S index e1353982d0..311c99d95e 100644 --- a/libavcodec/arm/int_neon.S +++ b/libavcodec/arm/int_neon.S @@ -29,32 +29,8 @@ function ff_scalarproduct_int16_neon, export=1 vmov.i16 q1, #0 vmov.i16 q2, #0 vmov.i16 q3, #0 - negs r3, r3 - beq 2f - - vdup.s32 q12, r3 1: vld1.16 {d16-d17}, [r0]! vld1.16 {d20-d21}, [r1,:128]! - vmull.s16 q12, d16, d20 - vld1.16 {d18-d19}, [r0]! - vmull.s16 q13, d17, d21 - vld1.16 {d22-d23}, [r1,:128]! - vmull.s16 q14, d18, d22 - vmull.s16 q15, d19, d23 - vshl.s32 q8, q12, q12 - vshl.s32 q9, q13, q12 - vadd.s32 q0, q0, q8 - vshl.s32 q10, q14, q12 - vadd.s32 q1, q1, q9 - vshl.s32 q11, q15, q12 - vadd.s32 q2, q2, q10 - vadd.s32 q3, q3, q11 - subs r2, r2, #16 - bne 1b - b 3f - -2: vld1.16 {d16-d17}, [r0]! - vld1.16 {d20-d21}, [r1,:128]! vmlal.s16 q0, d16, d20 vld1.16 {d18-d19}, [r0]! vmlal.s16 q1, d17, d21 @@ -62,9 +38,9 @@ function ff_scalarproduct_int16_neon, export=1 vmlal.s16 q2, d18, d22 vmlal.s16 q3, d19, d23 subs r2, r2, #16 - bne 2b + bne 1b -3: vpadd.s32 d16, d0, d1 + vpadd.s32 d16, d0, d1 vpadd.s32 d17, d2, d3 vpadd.s32 d10, d4, d5 vpadd.s32 d11, d6, d7 diff --git a/libavcodec/cook.c b/libavcodec/cook.c index e63ceca98f..fbd910e243 100644 --- a/libavcodec/cook.c +++ b/libavcodec/cook.c @@ -855,8 +855,8 @@ static int joint_decode(COOKContext *q, COOKSubpacket *p, float *mlt_buffer1, cpl_tmp = cplband[i]; idx -= decouple_tab[cpl_tmp]; cplscale = q->cplscales[p->js_vlc_bits - 2]; // choose decoupler table - f1 = cplscale[decouple_tab[cpl_tmp]]; - f2 = cplscale[idx - 1]; + f1 = cplscale[decouple_tab[cpl_tmp] + 1]; + f2 = cplscale[idx]; q->decouple(q, p, i, f1, f2, decode_buffer, mlt_buffer1, mlt_buffer2); idx = (1 << p->js_vlc_bits) - 1; } diff --git a/libavcodec/cookdata.h b/libavcodec/cookdata.h index 15e8e9519f..b854db2db9 100644 --- a/libavcodec/cookdata.h +++ b/libavcodec/cookdata.h @@ -510,23 +510,37 @@ static const int cplband[51] = { 19, }; -static const float cplscale2[3] = { +// The 1 and 0 at the beginning/end are to prevent overflows with +// bitstream-read indexes. E.g. if n_bits=5, we can access any +// index from [1, (1<<n_bits)] for the first decoupling coeff, +// and (1<<n_bits)-coeff1 as index for coeff2, i.e.: +// coeff1_idx = [1, 32], and coeff2_idx = [0, 31]. +// These values aren't part of the tables in the original binary. + +static const float cplscale2[5] = { +1, 0.953020632266998,0.70710676908493,0.302905440330505, +0, }; -static const float cplscale3[7] = { +static const float cplscale3[9] = { +1, 0.981279790401459,0.936997592449188,0.875934481620789,0.70710676908493, 0.482430040836334,0.349335819482803,0.192587479948997, +0, }; -static const float cplscale4[15] = { +static const float cplscale4[17] = { +1, 0.991486728191376,0.973249018192291,0.953020632266998,0.930133521556854, 0.903453230857849,0.870746195316315,0.826180458068848,0.70710676908493, 0.563405573368073,0.491732746362686,0.428686618804932,0.367221474647522, 0.302905440330505,0.229752898216248,0.130207896232605, +0, }; -static const float cplscale5[31] = { +static const float cplscale5[33] = { +1, 0.995926380157471,0.987517595291138,0.978726446628571,0.969505727291107, 0.95979779958725,0.949531257152557,0.938616216182709,0.926936149597168, 0.914336204528809,0.900602877140045,0.885426938533783,0.868331849575043, @@ -535,9 +549,11 @@ static const float cplscale5[31] = { 0.464778542518616,0.434642940759659,0.404955863952637,0.375219136476517, 0.344963222742081,0.313672333955765,0.280692428350449,0.245068684220314, 0.205169528722763,0.157508864998817,0.0901700109243393, +0, }; -static const float cplscale6[63] = { +static const float cplscale6[65] = { +1, 0.998005926609039,0.993956744670868,0.989822506904602,0.985598564147949, 0.981279790401459,0.976860702037811,0.972335040569305,0.967696130275726, 0.962936460971832,0.958047747612000,0.953020632266998,0.947844684123993, @@ -554,6 +570,7 @@ static const float cplscale6[63] = { 0.302905440330505,0.286608695983887,0.269728302955627,0.252119421958923, 0.233590632677078,0.213876649737358,0.192587479948997,0.169101938605309, 0.142307326197624,0.109772264957428,0.0631198287010193, +0, }; static const float* const cplscales[5] = { diff --git a/libavcodec/dca.c b/libavcodec/dca.c index 21df38a187..a37341af0c 100644 --- a/libavcodec/dca.c +++ b/libavcodec/dca.c @@ -639,13 +639,20 @@ static int dca_parse_frame_header(DCAContext *s) } -static inline int get_scale(GetBitContext *gb, int level, int value) +static inline int get_scale(GetBitContext *gb, int level, int value, int log2range) { if (level < 5) { /* huffman encoded */ value += get_bitalloc(gb, &dca_scalefactor, level); - } else if (level < 8) - value = get_bits(gb, level + 1); + value = av_clip(value, 0, (1 << log2range) - 1); + } else if (level < 8) { + if (level + 1 > log2range) { + skip_bits(gb, level + 1 - log2range); + value = get_bits(gb, log2range); + } else { + value = get_bits(gb, level + 1); + } + } return value; } @@ -718,18 +725,17 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index) for (j = base_channel; j < s->prim_channels; j++) { const uint32_t *scale_table; - unsigned int scale_max; - int scale_sum; + int scale_sum, log_size; memset(s->scale_factor[j], 0, s->subband_activity[j] * sizeof(s->scale_factor[0][0][0]) * 2); if (s->scalefactor_huffman[j] == 6) { scale_table = scale_factor_quant7; - scale_max = 127; + log_size = 7; } else { scale_table = scale_factor_quant6; - scale_max = 63; + log_size = 6; } /* When huffman coded, only the difference is encoded */ @@ -737,21 +743,13 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index) for (k = 0; k < s->subband_activity[j]; k++) { if (k >= s->vq_start_subband[j] || s->bitalloc[j][k] > 0) { - scale_sum = get_scale(&s->gb, s->scalefactor_huffman[j], scale_sum); - if (scale_sum > scale_max) { - av_log(s->avctx, AV_LOG_ERROR, "scale_sum out of range\n"); - return AVERROR_INVALIDDATA; - } + scale_sum = get_scale(&s->gb, s->scalefactor_huffman[j], scale_sum, log_size); s->scale_factor[j][k][0] = scale_table[scale_sum]; } if (k < s->vq_start_subband[j] && s->transition_mode[j][k]) { /* Get second scale factor */ - scale_sum = get_scale(&s->gb, s->scalefactor_huffman[j], scale_sum); - if (scale_sum > scale_max) { - av_log(s->avctx, AV_LOG_ERROR, "scale_sum out of range\n"); - return AVERROR_INVALIDDATA; - } + scale_sum = get_scale(&s->gb, s->scalefactor_huffman[j], scale_sum, log_size); s->scale_factor[j][k][1] = scale_table[scale_sum]; } } @@ -780,8 +778,7 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index) * (is this valid as well for joint scales ???) */ for (k = s->subband_activity[j]; k < s->subband_activity[source_channel]; k++) { - scale = get_scale(&s->gb, s->joint_huff[j], 0); - scale += 64; /* bias */ + scale = get_scale(&s->gb, s->joint_huff[j], 64 /* bias */, 7); s->joint_scale_factor[j][k] = scale; /*joint_scale_table[scale]; */ } @@ -802,14 +799,15 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index) } } else { int am = s->amode & DCA_CHANNEL_MASK; - if (am < 16) { + if (am >= FF_ARRAY_ELEMS(dca_default_coeffs)) { + av_log(s->avctx, AV_LOG_ERROR, + "Invalid channel mode %d\n", am); + return AVERROR_INVALIDDATA; + } for (j = base_channel; j < s->prim_channels; j++) { s->downmix_coef[j][0] = dca_default_coeffs[am][j][0]; s->downmix_coef[j][1] = dca_default_coeffs[am][j][1]; } - } else { - av_log(s->avctx, AV_LOG_WARNING, "amode > 15 default downmix_coef unsupported\n"); - } } } diff --git a/libavcodec/dcadata.h b/libavcodec/dcadata.h index 02dbb0fe54..007cc6ba24 100644 --- a/libavcodec/dcadata.h +++ b/libavcodec/dcadata.h @@ -7528,7 +7528,7 @@ static const float dca_downmix_coeffs[65] = { 0.001412537544623, 0.001000000000000, 0.000501187233627, 0.000251188643151, 0.000000000000000, }; -static const uint8_t dca_default_coeffs[16][5][2] = { +static const uint8_t dca_default_coeffs[10][5][2] = { { { 13, 13 }, }, { { 0, 64 }, { 64, 0 }, }, { { 0, 64 }, { 64, 0 }, }, diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index 7379fa2e73..9451f2c98c 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -2605,12 +2605,12 @@ static void vector_clipf_c(float *dst, const float *src, float min, float max, i } } -static int32_t scalarproduct_int16_c(const int16_t * v1, const int16_t * v2, int order, int shift) +static int32_t scalarproduct_int16_c(const int16_t * v1, const int16_t * v2, int order) { int res = 0; while (order--) - res += (*v1++ * *v2++) >> shift; + res += *v1++ * *v2++; return res; } diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 47bafd2ac6..e62c35387f 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -537,9 +537,8 @@ typedef struct DSPContext { /** * Calculate scalar product of two vectors. * @param len length of vectors, should be multiple of 16 - * @param shift number of bits to discard from product */ - int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len, int shift); + int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len); /* ape functions */ /** * Calculate scalar product of v1 and v2, diff --git a/libavcodec/dvdata.c b/libavcodec/dvdata.c index 5ec114502c..4d08d427f9 100644 --- a/libavcodec/dvdata.c +++ b/libavcodec/dvdata.c @@ -287,31 +287,31 @@ static const DVprofile dv_profiles[] = { const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys, const uint8_t* frame, unsigned buf_size) { - int i, dsf, stype; + int i, dsf, stype; - if(buf_size < DV_PROFILE_BYTES) - return NULL; + if(buf_size < DV_PROFILE_BYTES) + return NULL; - dsf = (frame[3] & 0x80) >> 7; - stype = frame[80*5 + 48 + 3] & 0x1f; + dsf = (frame[3] & 0x80) >> 7; + stype = frame[80 * 5 + 48 + 3] & 0x1f; - /* 576i50 25Mbps 4:1:1 is a special case */ - if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) { - return &dv_profiles[2]; - } + /* 576i50 25Mbps 4:1:1 is a special case */ + if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) { + return &dv_profiles[2]; + } - if(codec && codec->codec_tag==AV_RL32("dvsd") && codec->width==720 && codec->height==576) - return &dv_profiles[1]; + if(codec && codec->codec_tag==AV_RL32("dvsd") && codec->width==720 && codec->height==576) + return &dv_profiles[1]; - for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++) - if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) - return &dv_profiles[i]; + for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) + if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) + return &dv_profiles[i]; - /* check if old sys matches and assumes corrupted input */ - if (sys && buf_size == sys->frame_size) - return sys; + /* check if old sys matches and assumes corrupted input */ + if (sys && buf_size == sys->frame_size) + return sys; - return NULL; + return NULL; } const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys, diff --git a/libavcodec/eatgq.c b/libavcodec/eatgq.c index 1cce1da49e..54b84b1939 100644 --- a/libavcodec/eatgq.c +++ b/libavcodec/eatgq.c @@ -43,6 +43,7 @@ typedef struct TgqContext { ScanTable scantable; int qtable[64]; DECLARE_ALIGNED(16, DCTELEM, block)[6][64]; + GetByteContext gb; } TgqContext; static av_cold int tgq_decode_init(AVCodecContext *avctx){ @@ -141,41 +142,36 @@ static void tgq_idct_put_mb_dconly(TgqContext *s, int mb_x, int mb_y, const int8 } } -static int tgq_decode_mb(TgqContext *s, int mb_y, int mb_x, const uint8_t **bs, const uint8_t *buf_end){ +static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x){ int mode; int i; int8_t dc[6]; - mode = bytestream_get_byte(bs); - if (mode>buf_end-*bs) { - av_log(s->avctx, AV_LOG_ERROR, "truncated macroblock\n"); - return AVERROR_INVALIDDATA; - } - + mode = bytestream2_get_byte(&s->gb); if (mode>12) { GetBitContext gb; - init_get_bits(&gb, *bs, mode*8); + init_get_bits(&gb, s->gb.buffer, FFMIN(s->gb.buffer_end - s->gb.buffer, mode) * 8); for(i=0; i<6; i++) tgq_decode_block(s, s->block[i], &gb); tgq_idct_put_mb(s, s->block, mb_x, mb_y); + bytestream2_skip(&s->gb, mode); }else{ if (mode==3) { - memset(dc, (*bs)[0], 4); - dc[4] = (*bs)[1]; - dc[5] = (*bs)[2]; + memset(dc, bytestream2_get_byte(&s->gb), 4); + dc[4] = bytestream2_get_byte(&s->gb); + dc[5] = bytestream2_get_byte(&s->gb); }else if (mode==6) { - memcpy(dc, *bs, 6); + bytestream2_get_buffer(&s->gb, dc, 6); }else if (mode==12) { - for(i=0; i<6; i++) - dc[i] = (*bs)[i*2]; + for (i = 0; i < 6; i++) { + dc[i] = bytestream2_get_byte(&s->gb); + bytestream2_skip(&s->gb, 1); + } }else{ av_log(s->avctx, AV_LOG_ERROR, "unsupported mb mode %i\n", mode); } tgq_idct_put_mb_dconly(s, mb_x, mb_y, dc); } - *bs += mode; - - return 0; } static void tgq_calculate_qtable(TgqContext *s, int quant){ @@ -195,28 +191,30 @@ static int tgq_decode_frame(AVCodecContext *avctx, AVPacket *avpkt){ const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; - const uint8_t *buf_start = buf; - const uint8_t *buf_end = buf + buf_size; TgqContext *s = avctx->priv_data; int x,y, ret; - int big_endian = AV_RL32(&buf[4]) > 0x000FFFFF; - buf += 8; - if(8>buf_end-buf) { + if (buf_size < 16) { av_log(avctx, AV_LOG_WARNING, "truncated header\n"); return -1; } - s->width = big_endian ? AV_RB16(&buf[0]) : AV_RL16(&buf[0]); - s->height = big_endian ? AV_RB16(&buf[2]) : AV_RL16(&buf[2]); + bytestream2_init(&s->gb, buf + 8, buf_size - 8); + if (big_endian) { + s->width = bytestream2_get_be16u(&s->gb); + s->height = bytestream2_get_be16u(&s->gb); + } else { + s->width = bytestream2_get_le16u(&s->gb); + s->height = bytestream2_get_le16u(&s->gb); + } if (s->avctx->width!=s->width || s->avctx->height!=s->height) { avcodec_set_dimensions(s->avctx, s->width, s->height); if (s->frame.data[0]) avctx->release_buffer(avctx, &s->frame); } - tgq_calculate_qtable(s, buf[4]); - buf += 8; + tgq_calculate_qtable(s, bytestream2_get_byteu(&s->gb)); + bytestream2_skip(&s->gb, 3); if (!s->frame.data[0]) { s->frame.key_frame = 1; @@ -228,15 +226,14 @@ static int tgq_decode_frame(AVCodecContext *avctx, } } - for (y=0; y<(avctx->height+15)/16; y++) - for (x=0; x<(avctx->width+15)/16; x++) - if ((ret=tgq_decode_mb(s, y, x, &buf, buf_end)) < 0) - return ret; + for (y = 0; y < FFALIGN(avctx->height, 16) >> 4; y++) + for (x = 0; x < FFALIGN(avctx->width, 16) >> 4; x++) + tgq_decode_mb(s, y, x); *data_size = sizeof(AVFrame); *(AVFrame*)data = s->frame; - return buf-buf_start; + return avpkt->size; } static av_cold int tgq_decode_end(AVCodecContext *avctx){ diff --git a/libavcodec/g729postfilter.c b/libavcodec/g729postfilter.c index 87472f694c..fc903740ed 100644 --- a/libavcodec/g729postfilter.c +++ b/libavcodec/g729postfilter.c @@ -163,7 +163,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, ener = dsp->scalarproduct_int16(sig_scaled + RES_PREV_DATA_SIZE, sig_scaled + RES_PREV_DATA_SIZE, - subframe_size, 0); + subframe_size); if (ener) { sh_ener = FFMAX(av_log2(ener) - 14, 0); ener >>= sh_ener; @@ -192,7 +192,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, for (i = pitch_delay_int - 1; i <= pitch_delay_int + 1; i++) { sum = dsp->scalarproduct_int16(sig_scaled + RES_PREV_DATA_SIZE, sig_scaled + RES_PREV_DATA_SIZE - i, - subframe_size, 0); + subframe_size); if (sum > corr_int_num) { corr_int_num = sum; best_delay_int = i; @@ -202,7 +202,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, /* Compute denominator of pseudo-normalized correlation R'(0). */ corr_int_den = dsp->scalarproduct_int16(sig_scaled - best_delay_int + RES_PREV_DATA_SIZE, sig_scaled - best_delay_int + RES_PREV_DATA_SIZE, - subframe_size, 0); + subframe_size); /* Compute signals with non-integer delay k (with 1/8 precision), where k is in [0;6] range. @@ -229,7 +229,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, for (k = 0; k < ANALYZED_FRAC_DELAYS; k++) { sum = dsp->scalarproduct_int16(&delayed_signal[k][1], &delayed_signal[k][1], - subframe_size - 1, 0); + subframe_size - 1); corr_den[k][0] = sum + delayed_signal[k][0 ] * delayed_signal[k][0 ]; corr_den[k][1] = sum + delayed_signal[k][subframe_size] * delayed_signal[k][subframe_size]; @@ -257,7 +257,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, correlation R'(k). */ sum = dsp->scalarproduct_int16(&delayed_signal[k][i], sig_scaled + RES_PREV_DATA_SIZE, - subframe_size, 0); + subframe_size); gain_num_short = FFMAX(sum >> sh_gain_num, 0); /* @@ -314,7 +314,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, /* Compute R'(k) correlation's numerator. */ sum = dsp->scalarproduct_int16(residual_filt, sig_scaled + RES_PREV_DATA_SIZE, - subframe_size, 0); + subframe_size); if (sum < 0) { gain_long_num = 0; @@ -327,7 +327,7 @@ static int16_t long_term_filter(DSPContext *dsp, int pitch_delay_int, } /* Compute R'(k) correlation's denominator. */ - sum = dsp->scalarproduct_int16(residual_filt, residual_filt, subframe_size, 0); + sum = dsp->scalarproduct_int16(residual_filt, residual_filt, subframe_size); tmp = FFMAX(av_log2(sum) - 14, 0); sum >>= tmp; @@ -437,8 +437,8 @@ static int16_t get_tilt_comp(DSPContext *dsp, int16_t *lp_gn, /* Now lp_gn (starting with 10) contains impulse response of A(z/FORMANT_PP_FACTOR_NUM)/A(z/FORMANT_PP_FACTOR_DEN) filter. */ - rh0 = dsp->scalarproduct_int16(lp_gn + 10, lp_gn + 10, 20, 0); - rh1 = dsp->scalarproduct_int16(lp_gn + 10, lp_gn + 11, 20, 0); + rh0 = dsp->scalarproduct_int16(lp_gn + 10, lp_gn + 10, 20); + rh1 = dsp->scalarproduct_int16(lp_gn + 10, lp_gn + 11, 20); /* downscale to avoid overflow */ temp = av_log2(rh0) - 14; diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c index 5afe5eb648..87eeee2c94 100644 --- a/libavcodec/mmvideo.c +++ b/libavcodec/mmvideo.c @@ -33,6 +33,7 @@ #include "libavutil/intreadwrite.h" #include "avcodec.h" +#include "bytestream.h" #define MM_PREAMBLE_SIZE 6 @@ -48,6 +49,7 @@ typedef struct MmContext { AVCodecContext *avctx; AVFrame frame; int palette[AVPALETTE_COUNT]; + GetByteContext gb; } MmContext; static av_cold int mm_decode_init(AVCodecContext *avctx) @@ -64,40 +66,40 @@ static av_cold int mm_decode_init(AVCodecContext *avctx) return 0; } -static void mm_decode_pal(MmContext *s, const uint8_t *buf, const uint8_t *buf_end) +static int mm_decode_pal(MmContext *s) { int i; - buf += 4; - for (i=0; i<128 && buf+2<buf_end; i++) { - s->palette[i] = 0xFF << 24 | AV_RB24(buf); + + bytestream2_skip(&s->gb, 4); + for (i = 0; i < 128; i++) { + s->palette[i] = 0xFF << 24 | bytestream2_get_be24(&s->gb); s->palette[i+128] = s->palette[i]<<2; - buf += 3; } + + return 0; } /** * @param half_horiz Half horizontal resolution (0 or 1) * @param half_vert Half vertical resolution (0 or 1) */ -static void mm_decode_intra(MmContext * s, int half_horiz, int half_vert, const uint8_t *buf, int buf_size) +static int mm_decode_intra(MmContext * s, int half_horiz, int half_vert) { int i, x, y; i=0; x=0; y=0; - while(i<buf_size) { + while (bytestream2_get_bytes_left(&s->gb) > 0) { int run_length, color; if (y >= s->avctx->height) - return; + return 0; - if (buf[i] & 0x80) { + color = bytestream2_get_byte(&s->gb); + if (color & 0x80) { run_length = 1; - color = buf[i]; - i++; }else{ - run_length = (buf[i] & 0x7f) + 2; - color = buf[i+1]; - i+=2; + run_length = (color & 0x7f) + 2; + color = bytestream2_get_byte(&s->gb); } if (half_horiz) @@ -115,49 +117,43 @@ static void mm_decode_intra(MmContext * s, int half_horiz, int half_vert, const y += 1 + half_vert; } } + + return 0; } /* * @param half_horiz Half horizontal resolution (0 or 1) * @param half_vert Half vertical resolution (0 or 1) */ -static void mm_decode_inter(MmContext * s, int half_horiz, int half_vert, const uint8_t *buf, int buf_size) +static int mm_decode_inter(MmContext * s, int half_horiz, int half_vert) { - int data_ptr; - int d, r, y; + int data_off = bytestream2_get_le16(&s->gb), y; + GetByteContext data_ptr; - if(buf_size < 2) { - av_log(s->avctx, AV_LOG_ERROR, "1 or less byte inter frame\n"); - return; - } + if (bytestream2_get_bytes_left(&s->gb) < data_off) + return AVERROR_INVALIDDATA; - data_ptr = 2 + AV_RL16(&buf[0]); - d = data_ptr; r = 2; y = 0; - - while(r + 1 < data_ptr) { + bytestream2_init(&data_ptr, s->gb.buffer + data_off, bytestream2_get_bytes_left(&s->gb) - data_off); + while (s->gb.buffer < data_ptr.buffer_start) { int i, j; - int length = buf[r] & 0x7f; - int x = buf[r+1] + ((buf[r] & 0x80) << 1); - r += 2; + int length = bytestream2_get_byte(&s->gb); + int x = bytestream2_get_byte(&s->gb) + ((length & 0x80) << 1); + length &= 0x7F; if (length==0) { y += x; continue; } - if (y + half_vert >= s->avctx->height || r+length > buf_size) - return; + if (y + half_vert >= s->avctx->height) + return 0; for(i=0; i<length; i++) { + int replace_array = bytestream2_get_byte(&s->gb); for(j=0; j<8; j++) { - int replace = (buf[r+i] >> (7-j)) & 1; + int replace = (replace_array >> (7-j)) & 1; if (replace) { - int color; - if (d >= buf_size) { - av_log(s->avctx, AV_LOG_ERROR, "overread buf\n"); - return; - } - color = buf[d]; + int color = bytestream2_get_byte(&data_ptr); s->frame.data[0][y*s->frame.linesize[0] + x] = color; if (half_horiz) s->frame.data[0][y*s->frame.linesize[0] + x + 1] = color; @@ -166,15 +162,15 @@ static void mm_decode_inter(MmContext * s, int half_horiz, int half_vert, const if (half_horiz) s->frame.data[0][(y+1)*s->frame.linesize[0] + x + 1] = color; } - d++; } x += 1 + half_horiz; } } - r += length; y += 1 + half_vert; } + + return 0; } static int mm_decode_frame(AVCodecContext *avctx, @@ -184,12 +180,14 @@ static int mm_decode_frame(AVCodecContext *avctx, const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; MmContext *s = avctx->priv_data; - const uint8_t *buf_end = buf+buf_size; - int type; + int type, res; + if (buf_size < MM_PREAMBLE_SIZE) + return AVERROR_INVALIDDATA; type = AV_RL16(&buf[0]); buf += MM_PREAMBLE_SIZE; buf_size -= MM_PREAMBLE_SIZE; + bytestream2_init(&s->gb, buf, buf_size); if (avctx->reget_buffer(avctx, &s->frame) < 0) { av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); @@ -197,16 +195,19 @@ static int mm_decode_frame(AVCodecContext *avctx, } switch(type) { - case MM_TYPE_PALETTE : mm_decode_pal(s, buf, buf_end); return buf_size; - case MM_TYPE_INTRA : mm_decode_intra(s, 0, 0, buf, buf_size); break; - case MM_TYPE_INTRA_HH : mm_decode_intra(s, 1, 0, buf, buf_size); break; - case MM_TYPE_INTRA_HHV : mm_decode_intra(s, 1, 1, buf, buf_size); break; - case MM_TYPE_INTER : mm_decode_inter(s, 0, 0, buf, buf_size); break; - case MM_TYPE_INTER_HH : mm_decode_inter(s, 1, 0, buf, buf_size); break; - case MM_TYPE_INTER_HHV : mm_decode_inter(s, 1, 1, buf, buf_size); break; - default : - return -1; + case MM_TYPE_PALETTE : res = mm_decode_pal(s); return buf_size; + case MM_TYPE_INTRA : res = mm_decode_intra(s, 0, 0); break; + case MM_TYPE_INTRA_HH : res = mm_decode_intra(s, 1, 0); break; + case MM_TYPE_INTRA_HHV : res = mm_decode_intra(s, 1, 1); break; + case MM_TYPE_INTER : res = mm_decode_inter(s, 0, 0); break; + case MM_TYPE_INTER_HH : res = mm_decode_inter(s, 1, 0); break; + case MM_TYPE_INTER_HHV : res = mm_decode_inter(s, 1, 1); break; + default: + res = AVERROR_INVALIDDATA; + break; } + if (res < 0) + return res; memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE); diff --git a/libavcodec/parser.h b/libavcodec/parser.h index 430eec019a..69f1064fb7 100644 --- a/libavcodec/parser.h +++ b/libavcodec/parser.h @@ -37,8 +37,6 @@ typedef struct ParseContext{ uint64_t state64; ///< contains the last 8 bytes in MSB order } ParseContext; -struct MpegEncContext; - #define END_NOT_FOUND (-100) int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size); diff --git a/libavcodec/pcm-mpeg.c b/libavcodec/pcm-mpeg.c index 4269dd4443..aea3ff79c6 100644 --- a/libavcodec/pcm-mpeg.c +++ b/libavcodec/pcm-mpeg.c @@ -158,7 +158,7 @@ static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data, /* There's always an even number of channels in the source */ num_source_channels = FFALIGN(avctx->channels, 2); - sample_size = (num_source_channels * avctx->bits_per_coded_sample) >> 3; + sample_size = (num_source_channels * (avctx->sample_fmt == AV_SAMPLE_FMT_S16 ? 16 : 24)) >> 3; samples = buf_size / sample_size; /* get output buffer */ diff --git a/libavcodec/rawdec.c b/libavcodec/rawdec.c index 71ab5df501..8b8e9d6a1f 100644 --- a/libavcodec/rawdec.c +++ b/libavcodec/rawdec.c @@ -155,6 +155,9 @@ static int raw_decode(AVCodecContext *avctx, frame->top_field_first = context->tff; } + if(buf_size < context->length - (avctx->pix_fmt==PIX_FMT_PAL8 ? 256*4 : 0)) + return -1; + //2bpp and 4bpp raw in avi and mov (yes this is ugly ...) if (context->buffer) { int i; @@ -182,9 +185,6 @@ static int raw_decode(AVCodecContext *avctx, avctx->codec_tag == MKTAG('A', 'V', 'u', 'p')) buf += buf_size - context->length; - if(buf_size < context->length - (avctx->pix_fmt==PIX_FMT_PAL8 ? 256*4 : 0)) - return -1; - avpicture_fill(picture, buf, avctx->pix_fmt, avctx->width, avctx->height); if((avctx->pix_fmt==PIX_FMT_PAL8 && buf_size < context->length) || (av_pix_fmt_descriptors[avctx->pix_fmt].flags & PIX_FMT_PSEUDOPAL)) { diff --git a/libavcodec/roqvideo.h b/libavcodec/roqvideo.h index 66c8bebe58..a458ab2119 100644 --- a/libavcodec/roqvideo.h +++ b/libavcodec/roqvideo.h @@ -24,6 +24,7 @@ #include "libavutil/lfg.h" #include "avcodec.h" +#include "bytestream.h" #include "dsputil.h" typedef struct { @@ -53,8 +54,7 @@ typedef struct RoqContext { roq_cell cb2x2[256]; roq_qcell cb4x4[256]; - const unsigned char *buf; - int size; + GetByteContext gb; int width, height; /* Encoder only data */ diff --git a/libavcodec/roqvideodec.c b/libavcodec/roqvideodec.c index 6085f4a7d0..9c25ba25c5 100644 --- a/libavcodec/roqvideodec.c +++ b/libavcodec/roqvideodec.c @@ -38,16 +38,15 @@ static void roqvideo_decode_frame(RoqContext *ri) unsigned int chunk_id = 0, chunk_arg = 0; unsigned long chunk_size = 0; int i, j, k, nv1, nv2, vqflg = 0, vqflg_pos = -1; - int vqid, bpos, xpos, ypos, xp, yp, x, y, mx, my; + int vqid, xpos, ypos, xp, yp, x, y, mx, my; int frame_stats[2][4] = {{0},{0}}; roq_qcell *qcell; - const unsigned char *buf = ri->buf; - const unsigned char *buf_end = ri->buf + ri->size; + int64_t chunk_start; - while (buf + 8 <= buf_end) { - chunk_id = bytestream_get_le16(&buf); - chunk_size = bytestream_get_le32(&buf); - chunk_arg = bytestream_get_le16(&buf); + while (bytestream2_get_bytes_left(&ri->gb) >= 8) { + chunk_id = bytestream2_get_le16(&ri->gb); + chunk_size = bytestream2_get_le32(&ri->gb); + chunk_arg = bytestream2_get_le16(&ri->gb); if(chunk_id == RoQ_QUAD_VQ) break; @@ -57,33 +56,36 @@ static void roqvideo_decode_frame(RoqContext *ri) if((nv2 = chunk_arg & 0xff) == 0 && nv1 * 6 < chunk_size) nv2 = 256; for(i = 0; i < nv1; i++) { - ri->cb2x2[i].y[0] = *buf++; - ri->cb2x2[i].y[1] = *buf++; - ri->cb2x2[i].y[2] = *buf++; - ri->cb2x2[i].y[3] = *buf++; - ri->cb2x2[i].u = *buf++; - ri->cb2x2[i].v = *buf++; + ri->cb2x2[i].y[0] = bytestream2_get_byte(&ri->gb); + ri->cb2x2[i].y[1] = bytestream2_get_byte(&ri->gb); + ri->cb2x2[i].y[2] = bytestream2_get_byte(&ri->gb); + ri->cb2x2[i].y[3] = bytestream2_get_byte(&ri->gb); + ri->cb2x2[i].u = bytestream2_get_byte(&ri->gb); + ri->cb2x2[i].v = bytestream2_get_byte(&ri->gb); } for(i = 0; i < nv2; i++) for(j = 0; j < 4; j++) - ri->cb4x4[i].idx[j] = *buf++; + ri->cb4x4[i].idx[j] = bytestream2_get_byte(&ri->gb); } } - bpos = xpos = ypos = 0; - if (chunk_size > buf_end - buf) { + chunk_start = bytestream2_tell(&ri->gb); + xpos = ypos = 0; + + if (chunk_size > bytestream2_get_bytes_left(&ri->gb)) { av_log(ri->avctx, AV_LOG_ERROR, "Chunk does not fit in input buffer\n"); - chunk_size = buf_end - buf; + chunk_size = bytestream2_get_bytes_left(&ri->gb); } - while(bpos < chunk_size) { + + while (bytestream2_tell(&ri->gb) < chunk_start + chunk_size) { for (yp = ypos; yp < ypos + 16; yp += 8) for (xp = xpos; xp < xpos + 16; xp += 8) { - if (bpos >= chunk_size) { + if (bytestream2_tell(&ri->gb) >= chunk_start + chunk_size) { av_log(ri->avctx, AV_LOG_ERROR, "Input buffer too small\n"); return; } if (vqflg_pos < 0) { - vqflg = buf[bpos++]; vqflg |= (buf[bpos++] << 8); + vqflg = bytestream2_get_le16(&ri->gb); vqflg_pos = 7; } vqid = (vqflg >> (vqflg_pos * 2)) & 0x3; @@ -93,17 +95,19 @@ static void roqvideo_decode_frame(RoqContext *ri) switch(vqid) { case RoQ_ID_MOT: break; - case RoQ_ID_FCC: - mx = 8 - (buf[bpos] >> 4) - ((signed char) (chunk_arg >> 8)); - my = 8 - (buf[bpos++] & 0xf) - ((signed char) chunk_arg); + case RoQ_ID_FCC: { + int byte = bytestream2_get_byte(&ri->gb); + mx = 8 - (byte >> 4) - ((signed char) (chunk_arg >> 8)); + my = 8 - (byte & 0xf) - ((signed char) chunk_arg); ff_apply_motion_8x8(ri, xp, yp, mx, my); break; + } case RoQ_ID_SLD: - qcell = ri->cb4x4 + buf[bpos++]; - ff_apply_vector_4x4(ri, xp, yp, ri->cb2x2 + qcell->idx[0]); - ff_apply_vector_4x4(ri, xp+4, yp, ri->cb2x2 + qcell->idx[1]); - ff_apply_vector_4x4(ri, xp, yp+4, ri->cb2x2 + qcell->idx[2]); - ff_apply_vector_4x4(ri, xp+4, yp+4, ri->cb2x2 + qcell->idx[3]); + qcell = ri->cb4x4 + bytestream2_get_byte(&ri->gb); + ff_apply_vector_4x4(ri, xp, yp, ri->cb2x2 + qcell->idx[0]); + ff_apply_vector_4x4(ri, xp + 4, yp, ri->cb2x2 + qcell->idx[1]); + ff_apply_vector_4x4(ri, xp, yp + 4, ri->cb2x2 + qcell->idx[2]); + ff_apply_vector_4x4(ri, xp + 4, yp + 4, ri->cb2x2 + qcell->idx[3]); break; case RoQ_ID_CCC: for (k = 0; k < 4; k++) { @@ -111,13 +115,12 @@ static void roqvideo_decode_frame(RoqContext *ri) if(k & 0x01) x += 4; if(k & 0x02) y += 4; - if (bpos >= chunk_size) { + if (bytestream2_tell(&ri->gb) >= chunk_start + chunk_size) { av_log(ri->avctx, AV_LOG_ERROR, "Input buffer too small\n"); return; } if (vqflg_pos < 0) { - vqflg = buf[bpos++]; - vqflg |= (buf[bpos++] << 8); + vqflg = bytestream2_get_le16(&ri->gb); vqflg_pos = 7; } vqid = (vqflg >> (vqflg_pos * 2)) & 0x3; @@ -126,24 +129,25 @@ static void roqvideo_decode_frame(RoqContext *ri) switch(vqid) { case RoQ_ID_MOT: break; - case RoQ_ID_FCC: - mx = 8 - (buf[bpos] >> 4) - ((signed char) (chunk_arg >> 8)); - my = 8 - (buf[bpos++] & 0xf) - ((signed char) chunk_arg); + case RoQ_ID_FCC: { + int byte = bytestream2_get_byte(&ri->gb); + mx = 8 - (byte >> 4) - ((signed char) (chunk_arg >> 8)); + my = 8 - (byte & 0xf) - ((signed char) chunk_arg); ff_apply_motion_4x4(ri, x, y, mx, my); break; + } case RoQ_ID_SLD: - qcell = ri->cb4x4 + buf[bpos++]; - ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + qcell->idx[0]); - ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + qcell->idx[1]); - ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + qcell->idx[2]); - ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + qcell->idx[3]); + qcell = ri->cb4x4 + bytestream2_get_byte(&ri->gb); + ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + qcell->idx[0]); + ff_apply_vector_2x2(ri, x + 2, y, ri->cb2x2 + qcell->idx[1]); + ff_apply_vector_2x2(ri, x, y + 2, ri->cb2x2 + qcell->idx[2]); + ff_apply_vector_2x2(ri, x + 2, y + 2, ri->cb2x2 + qcell->idx[3]); break; case RoQ_ID_CCC: - ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + buf[bpos]); - ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + buf[bpos+1]); - ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + buf[bpos+2]); - ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + buf[bpos+3]); - bpos += 4; + ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + bytestream2_get_byte(&ri->gb)); + ff_apply_vector_2x2(ri, x + 2, y, ri->cb2x2 + bytestream2_get_byte(&ri->gb)); + ff_apply_vector_2x2(ri, x, y + 2, ri->cb2x2 + bytestream2_get_byte(&ri->gb)); + ff_apply_vector_2x2(ri, x + 2, y + 2, ri->cb2x2 + bytestream2_get_byte(&ri->gb)); break; } } @@ -199,8 +203,7 @@ static int roq_decode_frame(AVCodecContext *avctx, av_picture_copy((AVPicture*)s->current_frame, (AVPicture*)s->last_frame, avctx->pix_fmt, avctx->width, avctx->height); - s->buf = buf; - s->size = buf_size; + bytestream2_init(&s->gb, buf, buf_size); roqvideo_decode_frame(s); *data_size = sizeof(AVFrame); diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c index 5550a74d0b..687bbfe21d 100644 --- a/libavcodec/rv34.c +++ b/libavcodec/rv34.c @@ -472,26 +472,26 @@ static void rv34_pred_mv(RV34DecContext *r, int block_type, int subblock_no, int int A[2] = {0}, B[2], C[2]; int i, j; int mx, my; - int avail_index = avail_indexes[subblock_no]; + int* avail = r->avail_cache + avail_indexes[subblock_no]; int c_off = part_sizes_w[block_type]; mv_pos += (subblock_no & 1) + (subblock_no >> 1)*s->b8_stride; if(subblock_no == 3) c_off = -1; - if(r->avail_cache[avail_index - 1]){ + if(avail[-1]){ A[0] = s->current_picture_ptr->f.motion_val[0][mv_pos-1][0]; A[1] = s->current_picture_ptr->f.motion_val[0][mv_pos-1][1]; } - if(r->avail_cache[avail_index - 4]){ + if(avail[-4]){ B[0] = s->current_picture_ptr->f.motion_val[0][mv_pos-s->b8_stride][0]; B[1] = s->current_picture_ptr->f.motion_val[0][mv_pos-s->b8_stride][1]; }else{ B[0] = A[0]; B[1] = A[1]; } - if(!r->avail_cache[avail_index - 4 + c_off]){ - if(r->avail_cache[avail_index - 4] && (r->avail_cache[avail_index - 1] || r->rv30)){ + if(!avail[c_off-4]){ + if(avail[-4] && (avail[-1] || r->rv30)){ C[0] = s->current_picture_ptr->f.motion_val[0][mv_pos-s->b8_stride-1][0]; C[1] = s->current_picture_ptr->f.motion_val[0][mv_pos-s->b8_stride-1][1]; }else{ @@ -611,21 +611,21 @@ static void rv34_pred_mv_rv3(RV34DecContext *r, int block_type, int dir) int A[2] = {0}, B[2], C[2]; int i, j, k; int mx, my; - int avail_index = avail_indexes[0]; + int* avail = r->avail_cache + avail_indexes[0]; - if(r->avail_cache[avail_index - 1]){ + if(avail[-1]){ A[0] = s->current_picture_ptr->f.motion_val[0][mv_pos - 1][0]; A[1] = s->current_picture_ptr->f.motion_val[0][mv_pos - 1][1]; } - if(r->avail_cache[avail_index - 4]){ + if(avail[-4]){ B[0] = s->current_picture_ptr->f.motion_val[0][mv_pos - s->b8_stride][0]; B[1] = s->current_picture_ptr->f.motion_val[0][mv_pos - s->b8_stride][1]; }else{ B[0] = A[0]; B[1] = A[1]; } - if(!r->avail_cache[avail_index - 4 + 2]){ - if(r->avail_cache[avail_index - 4] && (r->avail_cache[avail_index - 1])){ + if(!avail[-4 + 2]){ + if(avail[-4] && (avail[-1])){ C[0] = s->current_picture_ptr->f.motion_val[0][mv_pos - s->b8_stride - 1][0]; C[1] = s->current_picture_ptr->f.motion_val[0][mv_pos - s->b8_stride - 1][1]; }else{ @@ -1022,25 +1022,10 @@ static void rv34_output_i16x16(RV34DecContext *r, int8_t *intra_types, int cbp) q_ac = rv34_qscale_tab[s->qscale]; uint8_t *dst = s->dest[0]; DCTELEM *ptr = s->block[0]; - int avail[6*8] = {0}; int i, j, itype, has_ac; memset(block16, 0, 16 * sizeof(*block16)); - // Set neighbour information. - if(r->avail_cache[1]) - avail[0] = 1; - if(r->avail_cache[2]) - avail[1] = avail[2] = 1; - if(r->avail_cache[3]) - avail[3] = avail[4] = 1; - if(r->avail_cache[4]) - avail[5] = 1; - if(r->avail_cache[5]) - avail[8] = avail[16] = 1; - if(r->avail_cache[9]) - avail[24] = avail[32] = 1; - has_ac = rv34_decode_block(block16, gb, r->cur_vlcs, 3, 0, q_dc, q_dc, q_ac); if(has_ac) r->rdsp.rv34_inv_transform(block16); diff --git a/libavcodec/sbrdsp.c b/libavcodec/sbrdsp.c index f942759aa7..8c88fb3329 100644 --- a/libavcodec/sbrdsp.c +++ b/libavcodec/sbrdsp.c @@ -35,13 +35,18 @@ static void sbr_sum64x5_c(float *z) static float sbr_sum_square_c(float (*x)[2], int n) { - float sum = 0.0f; + float sum0 = 0.0f, sum1 = 0.0f; int i; - for (i = 0; i < n; i++) - sum += x[i][0] * x[i][0] + x[i][1] * x[i][1]; + for (i = 0; i < n; i += 2) + { + sum0 += x[i + 0][0] * x[i + 0][0]; + sum1 += x[i + 0][1] * x[i + 0][1]; + sum0 += x[i + 1][0] * x[i + 1][0]; + sum1 += x[i + 1][1] * x[i + 1][1]; + } - return sum; + return sum0 + sum1; } static void sbr_neg_odd_64_c(float *x) diff --git a/libavcodec/smc.c b/libavcodec/smc.c index a4fc861f62..3cd5e53f5f 100644 --- a/libavcodec/smc.c +++ b/libavcodec/smc.c @@ -34,6 +34,7 @@ #include "libavutil/intreadwrite.h" #include "avcodec.h" +#include "bytestream.h" #define CPAIR 2 #define CQUAD 4 @@ -46,8 +47,7 @@ typedef struct SmcContext { AVCodecContext *avctx; AVFrame frame; - const unsigned char *buf; - int size; + GetByteContext gb; /* SMC color tables */ unsigned char color_pairs[COLORS_PER_TABLE * CPAIR]; @@ -58,7 +58,7 @@ typedef struct SmcContext { } SmcContext; #define GET_BLOCK_COUNT() \ - (opcode & 0x10) ? (1 + s->buf[stream_ptr++]) : 1 + (opcode & 0x0F); + (opcode & 0x10) ? (1 + bytestream2_get_byte(&s->gb)) : 1 + (opcode & 0x0F); #define ADVANCE_BLOCK() \ { \ @@ -82,8 +82,8 @@ static void smc_decode_stream(SmcContext *s) int height = s->avctx->height; int stride = s->frame.linesize[0]; int i; - int stream_ptr = 0; int chunk_size; + int buf_size = (int) (s->gb.buffer_end - s->gb.buffer_start); unsigned char opcode; int n_blocks; unsigned int color_flags; @@ -113,24 +113,18 @@ static void smc_decode_stream(SmcContext *s) /* make the palette available */ memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE); - chunk_size = AV_RB32(&s->buf[stream_ptr]) & 0x00FFFFFF; - stream_ptr += 4; - if (chunk_size != s->size) + bytestream2_skip(&s->gb, 1); + chunk_size = bytestream2_get_be24(&s->gb); + if (chunk_size != buf_size) av_log(s->avctx, AV_LOG_INFO, "warning: MOV chunk size != encoded chunk size (%d != %d); using MOV chunk size\n", - chunk_size, s->size); + chunk_size, buf_size); - chunk_size = s->size; + chunk_size = buf_size; total_blocks = ((s->avctx->width + 3) / 4) * ((s->avctx->height + 3) / 4); /* traverse through the blocks */ while (total_blocks) { /* sanity checks */ - /* make sure stream ptr hasn't gone out of bounds */ - if (stream_ptr > chunk_size) { - av_log(s->avctx, AV_LOG_INFO, "SMC decoder just went out of bounds (stream ptr = %d, chunk size = %d)\n", - stream_ptr, chunk_size); - return; - } /* make sure the row pointer hasn't gone wild */ if (row_ptr >= image_size) { av_log(s->avctx, AV_LOG_INFO, "SMC decoder just went out of bounds (row ptr = %d, height = %d)\n", @@ -138,7 +132,7 @@ static void smc_decode_stream(SmcContext *s) return; } - opcode = s->buf[stream_ptr++]; + opcode = bytestream2_get_byte(&s->gb); switch (opcode & 0xF0) { /* skip n blocks */ case 0x00: @@ -158,7 +152,7 @@ static void smc_decode_stream(SmcContext *s) if ((row_ptr == 0) && (pixel_ptr == 0)) { av_log(s->avctx, AV_LOG_INFO, "encountered repeat block opcode (%02X) but no blocks rendered yet\n", opcode & 0xF0); - break; + return; } /* figure out where the previous block started */ @@ -192,7 +186,7 @@ static void smc_decode_stream(SmcContext *s) if ((row_ptr == 0) && (pixel_ptr < 2 * 4)) { av_log(s->avctx, AV_LOG_INFO, "encountered repeat block opcode (%02X) but not enough blocks rendered yet\n", opcode & 0xF0); - break; + return; } /* figure out where the previous 2 blocks started */ @@ -233,7 +227,7 @@ static void smc_decode_stream(SmcContext *s) case 0x60: case 0x70: n_blocks = GET_BLOCK_COUNT(); - pixel = s->buf[stream_ptr++]; + pixel = bytestream2_get_byte(&s->gb); while (n_blocks--) { block_ptr = row_ptr + pixel_ptr; @@ -257,7 +251,7 @@ static void smc_decode_stream(SmcContext *s) /* fetch the next 2 colors from bytestream and store in next * available entry in the color pair table */ for (i = 0; i < CPAIR; i++) { - pixel = s->buf[stream_ptr++]; + pixel = bytestream2_get_byte(&s->gb); color_table_index = CPAIR * color_pair_index + i; s->color_pairs[color_table_index] = pixel; } @@ -268,11 +262,10 @@ static void smc_decode_stream(SmcContext *s) if (color_pair_index == COLORS_PER_TABLE) color_pair_index = 0; } else - color_table_index = CPAIR * s->buf[stream_ptr++]; + color_table_index = CPAIR * bytestream2_get_byte(&s->gb); while (n_blocks--) { - color_flags = AV_RB16(&s->buf[stream_ptr]); - stream_ptr += 2; + color_flags = bytestream2_get_be16(&s->gb); flag_mask = 0x8000; block_ptr = row_ptr + pixel_ptr; for (pixel_y = 0; pixel_y < 4; pixel_y++) { @@ -300,7 +293,7 @@ static void smc_decode_stream(SmcContext *s) /* fetch the next 4 colors from bytestream and store in next * available entry in the color quad table */ for (i = 0; i < CQUAD; i++) { - pixel = s->buf[stream_ptr++]; + pixel = bytestream2_get_byte(&s->gb); color_table_index = CQUAD * color_quad_index + i; s->color_quads[color_table_index] = pixel; } @@ -311,11 +304,10 @@ static void smc_decode_stream(SmcContext *s) if (color_quad_index == COLORS_PER_TABLE) color_quad_index = 0; } else - color_table_index = CQUAD * s->buf[stream_ptr++]; + color_table_index = CQUAD * bytestream2_get_byte(&s->gb); - while (n_blocks-- && stream_ptr + 3 < s->size) { - color_flags = AV_RB32(&s->buf[stream_ptr]); - stream_ptr += 4; + while (n_blocks--) { + color_flags = bytestream2_get_be32(&s->gb); /* flag mask actually acts as a bit shift count here */ flag_mask = 30; block_ptr = row_ptr + pixel_ptr; @@ -342,7 +334,7 @@ static void smc_decode_stream(SmcContext *s) /* fetch the next 8 colors from bytestream and store in next * available entry in the color octet table */ for (i = 0; i < COCTET; i++) { - pixel = s->buf[stream_ptr++]; + pixel = bytestream2_get_byte(&s->gb); color_table_index = COCTET * color_octet_index + i; s->color_octets[color_table_index] = pixel; } @@ -353,7 +345,7 @@ static void smc_decode_stream(SmcContext *s) if (color_octet_index == COLORS_PER_TABLE) color_octet_index = 0; } else - color_table_index = COCTET * s->buf[stream_ptr++]; + color_table_index = COCTET * bytestream2_get_byte(&s->gb); while (n_blocks--) { /* @@ -363,15 +355,12 @@ static void smc_decode_stream(SmcContext *s) flags_a = xx012456, flags_b = xx89A37B */ /* build the color flags */ - color_flags_a = - ((AV_RB16(s->buf + stream_ptr ) & 0xFFF0) << 8) | - (AV_RB16(s->buf + stream_ptr + 2) >> 4); - color_flags_b = - ((AV_RB16(s->buf + stream_ptr + 4) & 0xFFF0) << 8) | - ((s->buf[stream_ptr + 1] & 0x0F) << 8) | - ((s->buf[stream_ptr + 3] & 0x0F) << 4) | - (s->buf[stream_ptr + 5] & 0x0F); - stream_ptr += 6; + int val1 = bytestream2_get_be16(&s->gb); + int val2 = bytestream2_get_be16(&s->gb); + int val3 = bytestream2_get_be16(&s->gb); + color_flags_a = ((val1 & 0xFFF0) << 8) | (val2 >> 4); + color_flags_b = ((val3 & 0xFFF0) << 8) | + ((val1 & 0x0F) << 8) | ((val2 & 0x0F) << 4) | (val3 & 0x0F); color_flags = color_flags_a; /* flag mask actually acts as a bit shift count here */ @@ -403,7 +392,7 @@ static void smc_decode_stream(SmcContext *s) block_ptr = row_ptr + pixel_ptr; for (pixel_y = 0; pixel_y < 4; pixel_y++) { for (pixel_x = 0; pixel_x < 4; pixel_x++) { - pixels[block_ptr++] = s->buf[stream_ptr++]; + pixels[block_ptr++] = bytestream2_get_byte(&s->gb); } block_ptr += row_inc; } @@ -412,10 +401,12 @@ static void smc_decode_stream(SmcContext *s) break; case 0xF0: - av_log(s->avctx, AV_LOG_INFO, "0xF0 opcode seen in SMC chunk (contact the developers)\n"); + av_log_missing_feature(s->avctx, "0xF0 opcode", 1); break; } } + + return; } static av_cold int smc_decode_init(AVCodecContext *avctx) @@ -440,8 +431,7 @@ static int smc_decode_frame(AVCodecContext *avctx, SmcContext *s = avctx->priv_data; const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); - s->buf = buf; - s->size = buf_size; + bytestream2_init(&s->gb, buf, buf_size); s->frame.reference = 3; s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 93b9b275de..c5979f4645 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -1248,3 +1248,365 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) } return 0; } + +static const uint32_t vc1_ac_tables[AC_MODES][186][2] = { +{ +{ 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7}, +{ 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10}, +{ 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14}, +{ 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9}, +{ 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13}, +{ 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7}, +{ 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13}, +{ 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7}, +{ 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13}, +{ 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11}, +{ 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11}, +{ 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14}, +{ 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10}, +{ 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14}, +{ 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13}, +{ 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11}, +{ 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14}, +{ 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12}, +{ 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13}, +{ 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4}, +{ 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5}, +{ 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10}, +{ 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14}, +{ 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8}, +{ 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8}, +{ 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8}, +{ 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9}, +{ 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11}, +{ 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12}, +{ 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13}, +{ 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9} +}, +{ +{ 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7}, +{ 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11}, +{ 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13}, +{ 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4}, +{ 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11}, +{ 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7}, +{ 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15}, +{ 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14}, +{ 0x139C, 15}, { 0x0029, 6}, { 0x004F, 9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14}, +{ 0x0038, 6}, { 0x010E, 9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058, 7}, +{ 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023, 8}, { 0x02E3, 10}, { 0x04E5, 13}, +{ 0x2E40, 14}, { 0x00A1, 8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083, 8}, { 0x013A, 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0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10}, +{ 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11}, +{ 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13}, +{ 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13}, +{ 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11}, +{ 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13}, +{ 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11}, +{ 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12}, +{ 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13}, +{ 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14}, +{ 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16}, +{ 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13}, +{ 0x007A, 7} +}, +{ +{ 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7}, +{ 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9}, +{ 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11}, +{ 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12}, +{ 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13}, +{ 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8}, +{ 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12}, +{ 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8}, +{ 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5}, +{ 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5}, +{ 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10}, +{ 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14}, +{ 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15}, +{ 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9}, +{ 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10}, +{ 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11}, +{ 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12}, +{ 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13}, +{ 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6}, +{ 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7}, +{ 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13}, +{ 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15}, +{ 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15}, +{ 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17}, +{ 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20}, +{ 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20}, +{ 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21}, +{ 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22}, +{ 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13}, +{ 0x0073, 7} +} +}; + +static const uint16_t vlc_offs[] = { + 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436, + 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342, + 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522, + 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980, + 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866, + 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186, + 31714, 31746, 31778, 32306, 32340, 32372 +}; + +/** + * Init VC-1 specific tables and VC1Context members + * @param v The VC1Context to initialize + * @return Status + */ +int ff_vc1_init_common(VC1Context *v) +{ + static int done = 0; + int i = 0; + static VLC_TYPE vlc_table[32372][2]; + + v->hrd_rate = v->hrd_buffer = NULL; + + /* VLC tables */ + if (!done) { + INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, + ff_vc1_bfraction_bits, 1, 1, + ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS); + INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, + ff_vc1_norm2_bits, 1, 1, + ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS); + INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, + ff_vc1_norm6_bits, 1, 1, + ff_vc1_norm6_codes, 2, 2, 556); + INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, + ff_vc1_imode_bits, 1, 1, + ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS); + for (i = 0; i < 3; i++) { + ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]]; + ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0]; + init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16, + ff_vc1_ttmb_bits[i], 1, 1, + ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); + ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]]; + ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1]; + init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8, + ff_vc1_ttblk_bits[i], 1, 1, + ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]]; + ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2]; + init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15, + ff_vc1_subblkpat_bits[i], 1, 1, + ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + } + for (i = 0; i < 4; i++) { + ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]]; + ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9]; + init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16, + ff_vc1_4mv_block_pattern_bits[i], 1, 1, + ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]]; + ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10]; + init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64, + ff_vc1_cbpcy_p_bits[i], 1, 1, + ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); + ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]]; + ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11]; + init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73, + ff_vc1_mv_diff_bits[i], 1, 1, + ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); + } + for (i = 0; i < 8; i++) { + ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]]; + ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21]; + init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i], + &vc1_ac_tables[i][0][1], 8, 4, + &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); + /* initialize interlaced MVDATA tables (2-Ref) */ + ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]]; + ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22]; + init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126, + ff_vc1_2ref_mvdata_bits[i], 1, 1, + ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); + } + for (i = 0; i < 4; i++) { + /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */ + ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]]; + ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37]; + init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15, + ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1, + ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); + /* initialize NON-4MV MBMODE VLC tables for the same */ + ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]]; + ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38]; + init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9, + ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1, + ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + /* initialize interlaced MVDATA tables (1-Ref) */ + ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]]; + ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39]; + init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72, + ff_vc1_1ref_mvdata_bits[i], 1, 1, + ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); + } + for (i = 0; i < 4; i++) { + /* Initialize 2MV Block pattern VLC tables */ + ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]]; + ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49]; + init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4, + ff_vc1_2mv_block_pattern_bits[i], 1, 1, + ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + } + for (i = 0; i < 8; i++) { + /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */ + ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]]; + ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53]; + init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63, + ff_vc1_icbpcy_p_bits[i], 1, 1, + ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); + /* Initialize interlaced field picture MBMODE VLC tables */ + ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]]; + ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54]; + init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8, + ff_vc1_if_mmv_mbmode_bits[i], 1, 1, + ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]]; + ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55]; + init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6, + ff_vc1_if_1mv_mbmode_bits[i], 1, 1, + ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); + } + done = 1; + } + + /* Other defaults */ + v->pq = -1; + v->mvrange = 0; /* 7.1.1.18, p80 */ + + return 0; +} diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h index 0f185309ba..88fa0e0f65 100644 --- a/libavcodec/vc1.h +++ b/libavcodec/vc1.h @@ -28,6 +28,8 @@ #include "intrax8.h" #include "vc1dsp.h" +#define AC_VLC_BITS 9 + /** Markers used in VC-1 AP frame data */ //@{ enum VC1Code { diff --git a/libavcodec/vc1acdata.h b/libavcodec/vc1acdata.h index 78de0f9a24..a70b44ae05 100644 --- a/libavcodec/vc1acdata.h +++ b/libavcodec/vc1acdata.h @@ -24,232 +24,7 @@ #include <stdint.h> -#define AC_MODES 8 - -static const int vc1_ac_sizes[AC_MODES] = { - 186, 169, 133, 149, 103, 103, 163, 175 -}; - -static const uint32_t vc1_ac_tables[AC_MODES][186][2] = { -{ -{ 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7}, -{ 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10}, -{ 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14}, -{ 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9}, -{ 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13}, -{ 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7}, -{ 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13}, -{ 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7}, -{ 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13}, -{ 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11}, -{ 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11}, -{ 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14}, -{ 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10}, -{ 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14}, -{ 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13}, -{ 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11}, -{ 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14}, -{ 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12}, -{ 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13}, -{ 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4}, -{ 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5}, -{ 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10}, -{ 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14}, -{ 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8}, -{ 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8}, -{ 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8}, -{ 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9}, -{ 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11}, -{ 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12}, -{ 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13}, -{ 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9} -}, -{ -{ 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7}, -{ 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11}, -{ 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13}, -{ 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4}, -{ 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11}, -{ 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7}, -{ 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15}, -{ 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 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9}, { 0x03B1, 10}, -{ 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12}, -{ 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008, 5}, { 0x0063, 7}, -{ 0x00AF, 8}, { 0x017B, 9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12}, -{ 0x0BC1, 12}, { 0x0491, 12}, { 0x0028, 6}, { 0x00C3, 8}, { 0x0151, 9}, { 0x02A1, 10}, -{ 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10}, -{ 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11}, -{ 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13}, -{ 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13}, -{ 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11}, -{ 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13}, -{ 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11}, -{ 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12}, -{ 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13}, -{ 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14}, -{ 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16}, -{ 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13}, -{ 0x007A, 7} -}, -{ -{ 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7}, -{ 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9}, -{ 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11}, -{ 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12}, -{ 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13}, -{ 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8}, -{ 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12}, -{ 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8}, -{ 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5}, -{ 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5}, -{ 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10}, -{ 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14}, -{ 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15}, -{ 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9}, -{ 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10}, -{ 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11}, -{ 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12}, -{ 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13}, -{ 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6}, -{ 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7}, -{ 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13}, -{ 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15}, -{ 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15}, -{ 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17}, -{ 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20}, -{ 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20}, -{ 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21}, -{ 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22}, -{ 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13}, -{ 0x0073, 7} -} -}; +#include "vc1data.h" /* which indexes point to last=1 entries in tables */ static const int vc1_last_decode_table[AC_MODES] = { diff --git a/libavcodec/vc1data.c b/libavcodec/vc1data.c index 403b011d4a..d80061de70 100644 --- a/libavcodec/vc1data.c +++ b/libavcodec/vc1data.c @@ -1129,3 +1129,7 @@ const uint16_t ff_vc1_b_field_mvpred_scales[7][4] = { { 26, 17, 12, 10 }, // ZONE1OFFSET_X { 7, 4, 3, 3 } // ZONE1OFFSET_Y }; + +const int ff_vc1_ac_sizes[AC_MODES] = { + 186, 169, 133, 149, 103, 103, 163, 175 +}; diff --git a/libavcodec/vc1data.h b/libavcodec/vc1data.h index c9fedc1557..89fb6ca938 100644 --- a/libavcodec/vc1data.h +++ b/libavcodec/vc1data.h @@ -200,4 +200,9 @@ extern const int32_t ff_vc1_dqscale[63]; extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4]; /* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */ extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4]; + +#define AC_MODES 8 + +extern const int ff_vc1_ac_sizes[AC_MODES]; + #endif /* AVCODEC_VC1DATA_H */ diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 15e5adb5c5..c324b9b75b 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -45,154 +45,12 @@ #define MB_INTRA_VLC_BITS 9 #define DC_VLC_BITS 9 -#define AC_VLC_BITS 9 -static const uint16_t vlc_offs[] = { - 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436, - 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342, - 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522, - 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980, - 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866, - 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186, - 31714, 31746, 31778, 32306, 32340, 32372 -}; - // offset tables for interlaced picture MVDATA decoding static const int offset_table1[9] = { 0, 1, 2, 4, 8, 16, 32, 64, 128 }; static const int offset_table2[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 }; -/** - * Init VC-1 specific tables and VC1Context members - * @param v The VC1Context to initialize - * @return Status - */ -int ff_vc1_init_common(VC1Context *v) -{ - static int done = 0; - int i = 0; - static VLC_TYPE vlc_table[32372][2]; - - v->hrd_rate = v->hrd_buffer = NULL; - - /* VLC tables */ - if (!done) { - INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, - ff_vc1_bfraction_bits, 1, 1, - ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS); - INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, - ff_vc1_norm2_bits, 1, 1, - ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS); - INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, - ff_vc1_norm6_bits, 1, 1, - ff_vc1_norm6_codes, 2, 2, 556); - INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, - ff_vc1_imode_bits, 1, 1, - ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS); - for (i = 0; i < 3; i++) { - ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]]; - ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0]; - init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16, - ff_vc1_ttmb_bits[i], 1, 1, - ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); - ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]]; - ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1]; - init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8, - ff_vc1_ttblk_bits[i], 1, 1, - ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]]; - ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2]; - init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15, - ff_vc1_subblkpat_bits[i], 1, 1, - ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - } - for (i = 0; i < 4; i++) { - ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]]; - ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9]; - init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16, - ff_vc1_4mv_block_pattern_bits[i], 1, 1, - ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]]; - ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10]; - init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64, - ff_vc1_cbpcy_p_bits[i], 1, 1, - ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); - ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]]; - ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11]; - init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73, - ff_vc1_mv_diff_bits[i], 1, 1, - ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); - } - for (i = 0; i < 8; i++) { - ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]]; - ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21]; - init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, vc1_ac_sizes[i], - &vc1_ac_tables[i][0][1], 8, 4, - &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); - /* initialize interlaced MVDATA tables (2-Ref) */ - ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]]; - ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22]; - init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126, - ff_vc1_2ref_mvdata_bits[i], 1, 1, - ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); - } - for (i = 0; i < 4; i++) { - /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */ - ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]]; - ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37]; - init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15, - ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1, - ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); - /* initialize NON-4MV MBMODE VLC tables for the same */ - ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]]; - ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38]; - init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9, - ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1, - ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - /* initialize interlaced MVDATA tables (1-Ref) */ - ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]]; - ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39]; - init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72, - ff_vc1_1ref_mvdata_bits[i], 1, 1, - ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); - } - for (i = 0; i < 4; i++) { - /* Initialize 2MV Block pattern VLC tables */ - ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]]; - ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49]; - init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4, - ff_vc1_2mv_block_pattern_bits[i], 1, 1, - ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - } - for (i = 0; i < 8; i++) { - /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */ - ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]]; - ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53]; - init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63, - ff_vc1_icbpcy_p_bits[i], 1, 1, - ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); - /* Initialize interlaced field picture MBMODE VLC tables */ - ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]]; - ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54]; - init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8, - ff_vc1_if_mmv_mbmode_bits[i], 1, 1, - ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]]; - ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55]; - init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6, - ff_vc1_if_1mv_mbmode_bits[i], 1, 1, - ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); - } - done = 1; - } - - /* Other defaults */ - v->pq = -1; - v->mvrange = 0; /* 7.1.1.18, p80 */ - - return 0; -} - /***********************************************************************/ /** * @name VC-1 Bitplane decoding @@ -2624,7 +2482,7 @@ static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip, int index, escape, run = 0, level = 0, lst = 0; index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3); - if (index != vc1_ac_sizes[codingset] - 1) { + if (index != ff_vc1_ac_sizes[codingset] - 1) { run = vc1_index_decode_table[codingset][index][0]; level = vc1_index_decode_table[codingset][index][1]; lst = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0; diff --git a/libavcodec/wma.c b/libavcodec/wma.c index a7d5ef2841..1ff18e8be3 100644 --- a/libavcodec/wma.c +++ b/libavcodec/wma.c @@ -22,6 +22,7 @@ #include "avcodec.h" #include "sinewin.h" #include "wma.h" +#include "wma_common.h" #include "wmadata.h" #undef NDEBUG @@ -67,46 +68,6 @@ static void init_coef_vlc(VLC *vlc, uint16_t **prun_table, av_free(level_table); } -/** - *@brief Get the samples per frame for this stream. - *@param sample_rate output sample_rate - *@param version wma version - *@param decode_flags codec compression features - *@return log2 of the number of output samples per frame - */ -int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, - unsigned int decode_flags) -{ - - int frame_len_bits; - - if (sample_rate <= 16000) { - frame_len_bits = 9; - } else if (sample_rate <= 22050 || - (sample_rate <= 32000 && version == 1)) { - frame_len_bits = 10; - } else if (sample_rate <= 48000 || version < 3) { - frame_len_bits = 11; - } else if (sample_rate <= 96000) { - frame_len_bits = 12; - } else { - frame_len_bits = 13; - } - - if (version == 3) { - int tmp = decode_flags & 0x6; - if (tmp == 0x2) { - ++frame_len_bits; - } else if (tmp == 0x4) { - --frame_len_bits; - } else if (tmp == 0x6) { - frame_len_bits -= 2; - } - } - - return frame_len_bits; -} - int ff_wma_init(AVCodecContext *avctx, int flags2) { WMACodecContext *s = avctx->priv_data; diff --git a/libavcodec/wma.h b/libavcodec/wma.h index 954153fac0..73734ebc7c 100644 --- a/libavcodec/wma.h +++ b/libavcodec/wma.h @@ -150,8 +150,6 @@ extern const float ff_wma_lsp_codebook[NB_LSP_COEFS][16]; extern const uint32_t ff_aac_scalefactor_code[121]; extern const uint8_t ff_aac_scalefactor_bits[121]; -int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, - unsigned int decode_flags); int ff_wma_init(AVCodecContext * avctx, int flags2); int ff_wma_total_gain_to_bits(int total_gain); int ff_wma_end(AVCodecContext *avctx); diff --git a/libavcodec/wma_common.c b/libavcodec/wma_common.c new file mode 100644 index 0000000000..6ba5337f6a --- /dev/null +++ b/libavcodec/wma_common.c @@ -0,0 +1,62 @@ +/* + * common code shared by all WMA variants + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/attributes.h" +#include "wma_common.h" + +/** + *@brief Get the samples per frame for this stream. + *@param sample_rate output sample_rate + *@param version wma version + *@param decode_flags codec compression features + *@return log2 of the number of output samples per frame + */ +int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, + unsigned int decode_flags) +{ + + int frame_len_bits; + + if (sample_rate <= 16000) { + frame_len_bits = 9; + } else if (sample_rate <= 22050 || + (sample_rate <= 32000 && version == 1)) { + frame_len_bits = 10; + } else if (sample_rate <= 48000 || version < 3) { + frame_len_bits = 11; + } else if (sample_rate <= 96000) { + frame_len_bits = 12; + } else { + frame_len_bits = 13; + } + + if (version == 3) { + int tmp = decode_flags & 0x6; + if (tmp == 0x2) { + ++frame_len_bits; + } else if (tmp == 0x4) { + --frame_len_bits; + } else if (tmp == 0x6) { + frame_len_bits -= 2; + } + } + + return frame_len_bits; +} diff --git a/libavcodec/wma_common.h b/libavcodec/wma_common.h new file mode 100644 index 0000000000..cc4e38e149 --- /dev/null +++ b/libavcodec/wma_common.h @@ -0,0 +1,29 @@ +/* + * common code shared by all WMA variants + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_WMA_COMMON_H +#define AVCODEC_WMA_COMMON_H + +#include "libavutil/attributes.h" + +int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, + unsigned int decode_flags); + +#endif /* AVCODEC_WMA_COMMON_H */ diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index f82ee6fedd..326bfbaac1 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -27,6 +27,7 @@ #include "get_bits.h" #include "put_bits.h" #include "wma.h" +#include "wma_common.h" /** current decoder limitations */ #define WMALL_MAX_CHANNELS 8 ///< max number of handled channels @@ -406,7 +407,6 @@ static void decode_mclms(WmallDecodeCtx *s) if (get_bits1(&s->gb)) { int i, send_coef_bits; int cbits = av_log2(s->mclms_scaling + 1); - assert(cbits == my_log2(s->mclms_scaling + 1)); if (1 << cbits < s->mclms_scaling + 1) cbits++; diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index 9b533145bd..5440d64241 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -97,6 +97,7 @@ #include "fmtconvert.h" #include "sinewin.h" #include "wma.h" +#include "wma_common.h" /** current decoder limitations */ #define WMAPRO_MAX_CHANNELS 8 ///< max number of handled channels diff --git a/libavcodec/x86/dsputil_yasm.asm b/libavcodec/x86/dsputil_yasm.asm index 8e8c10c189..7ddc770a2e 100644 --- a/libavcodec/x86/dsputil_yasm.asm +++ b/libavcodec/x86/dsputil_yasm.asm @@ -35,13 +35,12 @@ pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 SECTION_TEXT %macro SCALARPRODUCT 1 -; int scalarproduct_int16(int16_t *v1, int16_t *v2, int order, int shift) -cglobal scalarproduct_int16_%1, 3,3,4, v1, v2, order, shift +; int scalarproduct_int16(int16_t *v1, int16_t *v2, int order) +cglobal scalarproduct_int16_%1, 3,3,3, v1, v2, order shl orderq, 1 add v1q, orderq add v2q, orderq neg orderq - movd m3, shiftm pxor m2, m2 .loop: movu m0, [v1q + orderq] @@ -55,10 +54,8 @@ cglobal scalarproduct_int16_%1, 3,3,4, v1, v2, order, shift %if mmsize == 16 movhlps m0, m2 paddd m2, m0 - psrad m2, m3 pshuflw m0, m2, 0x4e %else - psrad m2, m3 pshufw m0, m2, 0x4e %endif paddd m2, m0 diff --git a/libavcodec/x86/h264_qpel_mmx.c b/libavcodec/x86/h264_qpel_mmx.c index 807d8548d6..6cc3ac823d 100644 --- a/libavcodec/x86/h264_qpel_mmx.c +++ b/libavcodec/x86/h264_qpel_mmx.c @@ -1161,16 +1161,6 @@ QPEL(put_, 16,XMM, 16)\ QPEL(avg_, 8, XMM, 16)\ QPEL(avg_, 16,XMM, 16)\ - -#define AVG_3DNOW_OP(a,b,temp, size) \ -"mov" #size " " #b ", " #temp " \n\t"\ -"pavgusb " #temp ", " #a " \n\t"\ -"mov" #size " " #a ", " #b " \n\t" -#define AVG_MMX2_OP(a,b,temp, size) \ -"mov" #size " " #b ", " #temp " \n\t"\ -"pavgb " #temp ", " #a " \n\t"\ -"mov" #size " " #a ", " #b " \n\t" - #define PAVGB "pavgusb" QPEL_H264(put_, PUT_OP, 3dnow) QPEL_H264(avg_, AVG_3DNOW_OP, 3dnow) diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm index c3b559bb15..31a1c8b76f 100644 --- a/libavcodec/x86/sbrdsp.asm +++ b/libavcodec/x86/sbrdsp.asm @@ -82,14 +82,14 @@ cglobal sbr_hf_g_filt, 5, 6, 5 lea r0, [r0 + r3*8] neg r3 .loop4: - movq m0, [r2 + 4*r3 + 0] - movq m1, [r2 + 4*r3 + 8] - movq m2, [r1 + 0*STEP] - movq m3, [r1 + 2*STEP] + movlps m0, [r2 + 4*r3 + 0] + movlps m1, [r2 + 4*r3 + 8] + movlps m2, [r1 + 0*STEP] + movlps m3, [r1 + 2*STEP] movhps m2, [r1 + 1*STEP] movhps m3, [r1 + 3*STEP] - punpckldq m0, m0 - punpckldq m1, m1 + unpcklps m0, m0 + unpcklps m1, m1 mulps m0, m2 mulps m1, m3 movu [r0 + 8*r3 + 0], m0 @@ -101,8 +101,8 @@ cglobal sbr_hf_g_filt, 5, 6, 5 jz .end .loop1: ; element 0 and 1 can be computed at the same time movss m0, [r2] - movq m2, [r1] - punpckldq m0, m0 + movlps m2, [r1] + unpcklps m0, m0 mulps m2, m0 movlps [r0], m2 add r0, 8 diff --git a/libavformat/smacker.c b/libavformat/smacker.c index c023b0ea27..a3545f4ac7 100644 --- a/libavformat/smacker.c +++ b/libavformat/smacker.c @@ -267,8 +267,15 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt) sz += (t & 0x7F) + 1; pal += ((t & 0x7F) + 1) * 3; } else if(t & 0x40){ /* copy with offset */ - off = avio_r8(s->pb) * 3; + off = avio_r8(s->pb); j = (t & 0x3F) + 1; + if (off + j > 0xff) { + av_log(s, AV_LOG_ERROR, + "Invalid palette update, offset=%d length=%d extends beyond palette size\n", + off, j); + return AVERROR_INVALIDDATA; + } + off *= 3; while(j-- && sz < 256) { *pal++ = oldpal[off + 0]; *pal++ = oldpal[off + 1]; diff --git a/libavformat/udp.c b/libavformat/udp.c index 309b18c4eb..d3e4d906a7 100644 --- a/libavformat/udp.c +++ b/libavformat/udp.c @@ -480,8 +480,10 @@ static int udp_open(URLContext *h, const char *uri, int flags) } /* bind to the local address if not multicast or if the multicast * bind failed */ - if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0) + if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0) { + av_log(h, AV_LOG_ERROR, "bind failed: %s\n", strerror(errno)); goto fail; + } len = sizeof(my_addr); getsockname(udp_fd, (struct sockaddr *)&my_addr, &len); diff --git a/libswscale/output.c b/libswscale/output.c index de41f778d2..34ed114207 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -548,6 +548,11 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0, V = av_clip_uint8(V); } + Y1 = av_clip_uint8(Y1); + Y2 = av_clip_uint8(Y2); + U = av_clip_uint8(U); + V = av_clip_uint8(V); + output_pixels(i * 4, Y1, U, Y2, V); } } else { @@ -565,6 +570,11 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0, V = av_clip_uint8(V); } + Y1 = av_clip_uint8(Y1); + Y2 = av_clip_uint8(Y2); + U = av_clip_uint8(U); + V = av_clip_uint8(V); + output_pixels(i * 4, Y1, U, Y2, V); } } @@ -1008,9 +1018,16 @@ yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2], *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]), *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; + Y1 = av_clip_uint8(Y1); + Y2 = av_clip_uint8(Y2); + U = av_clip_uint8(U); + V = av_clip_uint8(V); + if (hasAlpha) { A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 19; A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19; + A1 = av_clip_uint8(A1); + A2 = av_clip_uint8(A2); } yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, @@ -1039,9 +1056,16 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]), *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; + Y1 = av_clip_uint8(Y1); + Y2 = av_clip_uint8(Y2); + U = av_clip_uint8(U); + V = av_clip_uint8(V); + if (hasAlpha) { A1 = abuf0[i * 2 ] * 255 + 16384 >> 15; A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15; + A1 = av_clip_uint8(A1); + A2 = av_clip_uint8(A2); } yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, @@ -1059,9 +1083,16 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]), *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM]; + Y1 = av_clip_uint8(Y1); + Y2 = av_clip_uint8(Y2); + U = av_clip_uint8(U); + V = av_clip_uint8(V); + if (hasAlpha) { A1 = (abuf0[i * 2 ] + 64) >> 7; A2 = (abuf0[i * 2 + 1] + 64) >> 7; + A1 = av_clip_uint8(A1); + A2 = av_clip_uint8(A2); } yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, |