diff options
| author | quietvoid <tcchlisop0@gmail.com> | 2022-01-01 19:51:51 +0300 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-01-04 06:29:36 +0300 |
| commit | 9906f9ae3b678d95b413dd4320e334ea3e2cf70a (patch) | |
| tree | 6d7d2d48cbfd39ea2221389eefcaea2b98936d86 /libavformat/mov.c | |
| parent | 05c07943b04de2514343b1de09dc6dca64502643 (diff) | |
avformat/mov: Refactor mov_read_dvcc_dvvc to use ff_isom_parse_dvcc_dvvc
To avoid duplicating code. The implementation in dovi_isom is identical.
Signed-off-by: quietvoid <tcChlisop0@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavformat/mov.c')
| -rw-r--r-- | libavformat/mov.c | 50 |
1 files changed, 7 insertions, 43 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 351ecde770..ad5ab6b491 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -55,6 +55,7 @@ #include "avformat.h" #include "internal.h" #include "avio_internal.h" +#include "dovi_isom.h" #include "riff.h" #include "isom.h" #include "libavcodec/get_bits.h" @@ -7062,58 +7063,21 @@ static int mov_read_dmlp(MOVContext *c, AVIOContext *pb, MOVAtom atom) static int mov_read_dvcc_dvvc(MOVContext *c, AVIOContext *pb, MOVAtom atom) { AVStream *st; - uint32_t buf; - AVDOVIDecoderConfigurationRecord *dovi; - size_t dovi_size; + uint8_t buf[ISOM_DVCC_DVVC_SIZE]; int ret; + int64_t read_size = atom.size; if (c->fc->nb_streams < 1) return 0; st = c->fc->streams[c->fc->nb_streams-1]; - if ((uint64_t)atom.size > (1<<30) || atom.size < 4) - return AVERROR_INVALIDDATA; - - dovi = av_dovi_alloc(&dovi_size); - if (!dovi) - return AVERROR(ENOMEM); - - dovi->dv_version_major = avio_r8(pb); - dovi->dv_version_minor = avio_r8(pb); - - buf = avio_rb16(pb); - 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 (atom.size >= 24) { // 4 + 4 + 4 * 4 - buf = avio_r8(pb); - 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; - } + // At most 24 bytes + read_size = FFMIN(read_size, ISOM_DVCC_DVVC_SIZE); - 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 = ffio_read_size(pb, buf, read_size)) < 0) return ret; - } - av_log(c, AV_LOG_TRACE, "DOVI in dvcC/dvvC/dvwC box, 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 - ); - - return 0; + return ff_isom_parse_dvcc_dvvc(c->fc, st, buf, read_size); } static int mov_read_kind(MOVContext *c, AVIOContext *pb, MOVAtom atom) |