diff options
Diffstat (limited to 'libvpx/test/resize_test.cc')
| -rw-r--r-- | libvpx/test/resize_test.cc | 130 |
1 files changed, 121 insertions, 9 deletions
diff --git a/libvpx/test/resize_test.cc b/libvpx/test/resize_test.cc index 77d3f5c..e8c2c82 100644 --- a/libvpx/test/resize_test.cc +++ b/libvpx/test/resize_test.cc @@ -16,8 +16,68 @@ #include "test/video_source.h" #include "test/util.h" +// Enable(1) or Disable(0) writing of the compressed bitstream. +#define WRITE_COMPRESSED_STREAM 0 + namespace { +#if WRITE_COMPRESSED_STREAM +static void mem_put_le16(char *const mem, const unsigned int val) { + mem[0] = val; + mem[1] = val >> 8; +} + +static void mem_put_le32(char *const mem, const unsigned int val) { + mem[0] = val; + mem[1] = val >> 8; + mem[2] = val >> 16; + mem[3] = val >> 24; +} + +static void write_ivf_file_header(const vpx_codec_enc_cfg_t *const cfg, + int frame_cnt, FILE *const outfile) { + char header[32]; + + header[0] = 'D'; + header[1] = 'K'; + header[2] = 'I'; + header[3] = 'F'; + mem_put_le16(header + 4, 0); /* version */ + mem_put_le16(header + 6, 32); /* headersize */ + mem_put_le32(header + 8, 0x30395056); /* fourcc (vp9) */ + mem_put_le16(header + 12, cfg->g_w); /* width */ + mem_put_le16(header + 14, cfg->g_h); /* height */ + mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */ + mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */ + mem_put_le32(header + 24, frame_cnt); /* length */ + mem_put_le32(header + 28, 0); /* unused */ + + (void)fwrite(header, 1, 32, outfile); +} + +static void write_ivf_frame_size(FILE *const outfile, const size_t size) { + char header[4]; + mem_put_le32(header, static_cast<unsigned int>(size)); + (void)fwrite(header, 1, 4, outfile); +} + +static void write_ivf_frame_header(const vpx_codec_cx_pkt_t *const pkt, + FILE *const outfile) { + char header[12]; + vpx_codec_pts_t pts; + + if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) + return; + + pts = pkt->data.frame.pts; + mem_put_le32(header, static_cast<unsigned int>(pkt->data.frame.sz)); + mem_put_le32(header + 4, pts & 0xFFFFFFFF); + mem_put_le32(header + 8, pts >> 32); + + (void)fwrite(header, 1, 12, outfile); +} +#endif // WRITE_COMPRESSED_STREAM + const unsigned int kInitialWidth = 320; const unsigned int kInitialHeight = 240; @@ -42,6 +102,8 @@ class ResizingVideoSource : public ::libvpx_test::DummyVideoSource { limit_ = 60; } + virtual ~ResizingVideoSource() {} + protected: virtual void Next() { ++frame_; @@ -56,13 +118,15 @@ class ResizeTest : public ::libvpx_test::EncoderTest, protected: ResizeTest() : EncoderTest(GET_PARAM(0)) {} + virtual ~ResizeTest() {} + struct FrameInfo { FrameInfo(vpx_codec_pts_t _pts, unsigned int _w, unsigned int _h) : pts(_pts), w(_w), h(_h) {} vpx_codec_pts_t pts; - unsigned int w; - unsigned int h; + unsigned int w; + unsigned int h; }; virtual void SetUp() { @@ -95,17 +159,47 @@ TEST_P(ResizeTest, TestExternalResizeWorks) { } } +const unsigned int kStepDownFrame = 3; +const unsigned int kStepUpFrame = 6; + class ResizeInternalTest : public ResizeTest { protected: +#if WRITE_COMPRESSED_STREAM + ResizeInternalTest() + : ResizeTest(), + frame0_psnr_(0.0), + outfile_(NULL), + out_frames_(0) {} +#else ResizeInternalTest() : ResizeTest(), frame0_psnr_(0.0) {} +#endif + + virtual ~ResizeInternalTest() {} + + virtual void BeginPassHook(unsigned int /*pass*/) { +#if WRITE_COMPRESSED_STREAM + outfile_ = fopen("vp90-2-05-resize.ivf", "wb"); +#endif + } + + virtual void EndPassHook() { +#if WRITE_COMPRESSED_STREAM + if (outfile_) { + if (!fseek(outfile_, 0, SEEK_SET)) + write_ivf_file_header(&cfg_, out_frames_, outfile_); + fclose(outfile_); + outfile_ = NULL; + } +#endif + } virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video, libvpx_test::Encoder *encoder) { - if (video->frame() == 3) { + if (video->frame() == kStepDownFrame) { struct vpx_scaling_mode mode = {VP8E_FOURFIVE, VP8E_THREEFIVE}; encoder->Control(VP8E_SET_SCALEMODE, &mode); } - if (video->frame() == 6) { + if (video->frame() == kStepUpFrame) { struct vpx_scaling_mode mode = {VP8E_NORMAL, VP8E_NORMAL}; encoder->Control(VP8E_SET_SCALEMODE, &mode); } @@ -114,10 +208,28 @@ class ResizeInternalTest : public ResizeTest { virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) { if (!frame0_psnr_) frame0_psnr_ = pkt->data.psnr.psnr[0]; - EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 1.0); + EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 1.5); + } + + virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) { +#if WRITE_COMPRESSED_STREAM + ++out_frames_; + + // Write initial file header if first frame. + if (pkt->data.frame.pts == 0) + write_ivf_file_header(&cfg_, 0, outfile_); + + // Write frame header and data. + write_ivf_frame_header(pkt, outfile_); + (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_); +#endif } double frame0_psnr_; +#if WRITE_COMPRESSED_STREAM + FILE *outfile_; + unsigned int out_frames_; +#endif }; TEST_P(ResizeInternalTest, TestInternalResizeWorks) { @@ -125,20 +237,20 @@ TEST_P(ResizeInternalTest, TestInternalResizeWorks) { 30, 1, 0, 10); init_flags_ = VPX_CODEC_USE_PSNR; + // q picked such that initial keyframe on this clip is ~30dB PSNR + cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48; + // If the number of frames being encoded is smaller than g_lag_in_frames // the encoded frame is unavailable using the current API. Comparing // frames to detect mismatch would then not be possible. Set // g_lag_in_frames = 0 to get around this. cfg_.g_lag_in_frames = 0; - - // q picked such that initial keyframe on this clip is ~30dB PSNR - cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); for (std::vector<FrameInfo>::iterator info = frame_info_list_.begin(); info != frame_info_list_.end(); ++info) { const vpx_codec_pts_t pts = info->pts; - if (pts >= 3 && pts < 6) { + if (pts >= kStepDownFrame && pts < kStepUpFrame) { ASSERT_EQ(282U, info->w) << "Frame " << pts << " had unexpected width"; ASSERT_EQ(173U, info->h) << "Frame " << pts << " had unexpected height"; } else { |