From 3b2c4ce14024b543e92cc4f86247773f1edf9a86 Mon Sep 17 00:00:00 2001 From: Maksym Veremeyenko Date: Fri, 25 Feb 2011 17:41:55 +0200 Subject: [PATCH] use tapt atom for sample aspect ratio Signed-off-by: Luca Barbato (cherry picked from commit ea1afa124cb58c7eebd4fd3706434fafb58b00c0) --- libavformat/movenc.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) 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); } -- 2.11.0