diff options
| -rw-r--r-- | doc/bitstream_filters.texi | 8 | ||||
| -rw-r--r-- | libavcodec/vp9_metadata_bsf.c | 40 |
2 files changed, 33 insertions, 15 deletions
diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi index 14f3589..023945e 100644 --- a/doc/bitstream_filters.texi +++ b/doc/bitstream_filters.texi @@ -659,7 +659,9 @@ Modify metadata embedded in a VP9 stream. @table @option @item color_space -Set the color space value in the frame header. +Set the color space value in the frame header. Note that any frame +set to RGB will be implicitly set to PC range and that RGB is +incompatible with profiles 0 and 2. @table @samp @item unknown @item bt601 @@ -671,8 +673,8 @@ Set the color space value in the frame header. @end table @item color_range -Set the color range value in the frame header. Note that this cannot -be set in RGB streams. +Set the color range value in the frame header. Note that any value +imposed by the color space will take precedence over this value. @table @samp @item tv @item pc diff --git a/libavcodec/vp9_metadata_bsf.c b/libavcodec/vp9_metadata_bsf.c index 1bde1b9..52e962b 100644 --- a/libavcodec/vp9_metadata_bsf.c +++ b/libavcodec/vp9_metadata_bsf.c @@ -33,7 +33,7 @@ typedef struct VP9MetadataContext { int color_space; int color_range; - int color_range_rgb_warned; + int color_warnings; } VP9MetadataContext; @@ -56,20 +56,36 @@ static int vp9_metadata_filter(AVBSFContext *bsf, AVPacket *pkt) for (i = 0; i < frag->nb_units; i++) { VP9RawFrame *frame = frag->units[i].content; VP9RawFrameHeader *header = &frame->header; + int profile = (header->profile_high_bit << 1) + header->profile_low_bit; + + if (header->frame_type == VP9_KEY_FRAME || + header->intra_only && profile > 0) { + if (ctx->color_space >= 0) { + if (!(profile & 1) && ctx->color_space == VP9_CS_RGB) { + if (!(ctx->color_warnings & 2)) { + av_log(bsf, AV_LOG_WARNING, "Warning: RGB " + "incompatible with profiles 0 and 2.\n"); + ctx->color_warnings |= 2; + } + } else + header->color_space = ctx->color_space; + } - if (ctx->color_space >= 0) { - header->color_space = ctx->color_space; - } - if (ctx->color_range >= 0) { - if (ctx->color_range == 0 && - header->color_space == VP9_CS_RGB && - !ctx->color_range_rgb_warned) { - av_log(bsf, AV_LOG_WARNING, "Warning: color_range cannot " - "be set to limited in RGB streams.\n"); - ctx->color_range_rgb_warned = 1; - } else { + if (ctx->color_range >= 0) header->color_range = ctx->color_range; + if (header->color_space == VP9_CS_RGB) { + if (!(ctx->color_warnings & 1) && !header->color_range) { + av_log(bsf, AV_LOG_WARNING, "Warning: Color space RGB " + "implicitly sets color range to PC range.\n"); + ctx->color_warnings |= 1; + } + header->color_range = 1; } + } else if (!(ctx->color_warnings & 4) && header->intra_only && !profile && + ctx->color_space >= 0 && ctx->color_space != VP9_CS_BT_601) { + av_log(bsf, AV_LOG_WARNING, "Warning: Intra-only frames in " + "profile 0 are automatically BT.601.\n"); + ctx->color_warnings |= 4; } } |
