[FFmpeg-devel] [PATCH 5/5] avformat/mpegts: Refactor DOVI descriptor parsing to use ff_mov_parse_dvcc_dvvc
quietvoid
tcchlisop0 at gmail.com
Thu Sep 23 03:46:24 EEST 2021
Signed-off-by: quietvoid <tcChlisop0 at gmail.com>
---
libavformat/mpegts.c | 41 +++--------------------------------------
1 file changed, 3 insertions(+), 38 deletions(-)
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index da8eee2414..19d26ef375 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -2162,49 +2162,14 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
break;
case 0xb0: /* DOVI video stream descriptor */
{
- uint32_t buf;
- AVDOVIDecoderConfigurationRecord *dovi;
- size_t dovi_size;
+ GetBitContext gb;
int ret;
- if (desc_end - *pp < 4) // (8 + 8 + 7 + 6 + 1 + 1 + 1) / 8
- return AVERROR_INVALIDDATA;
-
- dovi = av_dovi_alloc(&dovi_size);
- if (!dovi)
- return AVERROR(ENOMEM);
- dovi->dv_version_major = get8(pp, desc_end);
- dovi->dv_version_minor = get8(pp, desc_end);
- buf = get16(pp, desc_end);
- dovi->dv_profile = (buf >> 9) & 0x7f; // 7 bits
- dovi->dv_level = (buf >> 3) & 0x3f; // 6 bits
- dovi->rpu_present_flag = (buf >> 2) & 0x01; // 1 bit
- dovi->el_present_flag = (buf >> 1) & 0x01; // 1 bit
- dovi->bl_present_flag = buf & 0x01; // 1 bit
- if (desc_end - *pp >= 20) { // 4 + 4 * 4
- buf = get8(pp, desc_end);
- dovi->dv_bl_signal_compatibility_id = (buf >> 4) & 0x0f; // 4 bits
- } else {
- // 0 stands for None
- // Dolby Vision V1.2.93 profiles and levels
- dovi->dv_bl_signal_compatibility_id = 0;
- }
+ init_get_bits8(&gb, *pp, desc_len);
- ret = av_stream_add_side_data(st, AV_PKT_DATA_DOVI_CONF,
- (uint8_t *)dovi, dovi_size);
- if (ret < 0) {
- av_free(dovi);
+ if ((ret = ff_mov_parse_dvcc_dvvc(fc, st, &gb)) < 0) {
return ret;
}
-
- av_log(fc, AV_LOG_TRACE, "DOVI, version: %d.%d, profile: %d, level: %d, "
- "rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
- dovi->dv_version_major, dovi->dv_version_minor,
- dovi->dv_profile, dovi->dv_level,
- dovi->rpu_present_flag,
- dovi->el_present_flag,
- dovi->bl_present_flag,
- dovi->dv_bl_signal_compatibility_id);
}
break;
default:
--
2.33.0
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