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| author | Maksym Veremeyenko <verem@m1stereo.tv> | 2011-02-25 17:41:55 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-02-26 03:16:09 +0100 |
| commit | 3b2c4ce14024b543e92cc4f86247773f1edf9a86 (patch) | |
| tree | 865667d06d8ff824f1dd0fbec95ab0a963cfe649 | |
| parent | c3afa4db913668e50ac8ffc0bc66621664adc1f4 (diff) | |
| download | ffmpeg-3b2c4ce14024b543e92cc4f86247773f1edf9a86.tar.gz | |
use tapt atom for sample aspect ratio
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit ea1afa124cb58c7eebd4fd3706434fafb58b00c0)
| -rw-r--r-- | libavformat/movenc.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 711aa68e98..376555d6ae 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -1216,11 +1216,16 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) /* Track width and height, for visual only */ if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO || track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { + if(track->mode == MODE_MOV) { + avio_wb32(pb, track->enc->width << 16); + avio_wb32(pb, track->enc->height << 16); + } else { double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); if(!sample_aspect_ratio || track->height != track->enc->height) sample_aspect_ratio = 1; avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000); avio_wb32(pb, track->height*0x10000); + } } else { avio_wb32(pb, 0); @@ -1229,6 +1234,31 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) return 0x5c; } +static int mov_write_tapt_tag(ByteIOContext *pb, MOVTrack *track) +{ + int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width, + track->enc->sample_aspect_ratio.den); + + int64_t pos = url_ftell(pb); + + avio_wb32(pb, 0); /* size */ + put_tag(pb, "tapt"); + + avio_wb32(pb, 20); + put_tag(pb, "clef"); + avio_wb32(pb, 0); + avio_wb32(pb, width << 16); + avio_wb32(pb, track->enc->height << 16); + + avio_wb32(pb, 20); + put_tag(pb, "enof"); + avio_wb32(pb, 0); + avio_wb32(pb, track->enc->width << 16); + avio_wb32(pb, track->enc->height << 16); + + return updateSize(pb, pos); +}; + // This box seems important for the psp playback ... without it the movie seems to hang static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track) { @@ -1311,6 +1341,11 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box if (track->tag == MKTAG('r','t','p',' ')) mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID); + if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) { + double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); + if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio) + mov_write_tapt_tag(pb, track); + }; return updateSize(pb, pos); } |