diff options
Diffstat (limited to 'libvpx/vpx/src/svc_encodeframe.c')
| -rw-r--r-- | libvpx/vpx/src/svc_encodeframe.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/libvpx/vpx/src/svc_encodeframe.c b/libvpx/vpx/src/svc_encodeframe.c index d48a761..76aacd2 100644 --- a/libvpx/vpx/src/svc_encodeframe.c +++ b/libvpx/vpx/src/svc_encodeframe.c @@ -524,9 +524,6 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx, svc_ctx->spatial_layers); return VPX_CODEC_INVALID_PARAM; } - // use SvcInternal value for number of layers to enable forcing single layer - // for first frame - si->layers = svc_ctx->spatial_layers; res = parse_quantizer_values(svc_ctx, si->quantizers, 0); if (res != VPX_CODEC_OK) return res; @@ -538,10 +535,13 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx, res = parse_scale_factors(svc_ctx, si->scale_factors); if (res != VPX_CODEC_OK) return res; - // parse aggregate command line options + // Parse aggregate command line options. Options must start with + // "layers=xx" then followed by other options res = parse_options(svc_ctx, si->options); if (res != VPX_CODEC_OK) return res; + si->layers = svc_ctx->spatial_layers; + // Assign target bitrate for each layer. We calculate the ratio // from the resolution for now. // TODO(Minghai): Optimize the mechanism of allocating bits after @@ -583,8 +583,12 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx, enc_cfg->rc_dropframe_thresh = 0; enc_cfg->rc_end_usage = VPX_CBR; enc_cfg->rc_resize_allowed = 0; - enc_cfg->rc_min_quantizer = 33; - enc_cfg->rc_max_quantizer = 33; + + if (enc_cfg->g_pass == VPX_RC_ONE_PASS) { + enc_cfg->rc_min_quantizer = 33; + enc_cfg->rc_max_quantizer = 33; + } + enc_cfg->rc_undershoot_pct = 100; enc_cfg->rc_overshoot_pct = 15; enc_cfg->rc_buf_initial_sz = 500; @@ -784,12 +788,17 @@ static void set_svc_parameters(SvcContext *svc_ctx, } layer_index = layer + VPX_SS_MAX_LAYERS - si->layers; - if (vpx_svc_is_keyframe(svc_ctx)) { - svc_params.min_quantizer = si->quantizer_keyframe[layer_index]; - svc_params.max_quantizer = si->quantizer_keyframe[layer_index]; + if (codec_ctx->config.enc->g_pass == VPX_RC_ONE_PASS) { + if (vpx_svc_is_keyframe(svc_ctx)) { + svc_params.min_quantizer = si->quantizer_keyframe[layer_index]; + svc_params.max_quantizer = si->quantizer_keyframe[layer_index]; + } else { + svc_params.min_quantizer = si->quantizer[layer_index]; + svc_params.max_quantizer = si->quantizer[layer_index]; + } } else { - svc_params.min_quantizer = si->quantizer[layer_index]; - svc_params.max_quantizer = si->quantizer[layer_index]; + svc_params.min_quantizer = codec_ctx->config.enc->rc_min_quantizer; + svc_params.max_quantizer = codec_ctx->config.enc->rc_max_quantizer; } svc_params.distance_from_i_frame = si->frame_within_gop; |