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Use the dimensions in tkhd for timed text tracks

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Originally committed as revision 16561 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2009-01-11 23:24:28 +00:00
parent d52481b9ce
commit 6cdbff63cd
1 changed files with 7 additions and 0 deletions
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7
libavformat/mov.c
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@ -135,6 +135,8 @@ typedef struct MOVStreamContext {
MOVDref *drefs;
int dref_id;
int wrong_dts; ///< dts are wrong due to negative ctts
int width; ///< tkhd width
int height; ///< tkhd height
} MOVStreamContext;
typedef struct MOVContext {
@ -983,6 +985,8 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
MOVAtom fake_atom = { .size = size - (url_ftell(pb) - start_pos) };
mov_read_glbl(c, pb, fake_atom);
st->codec->codec_id= id;
st->codec->width = sc->width;
st->codec->height = sc->height;
} else {
/* other codec type, just skip (rtp, mp4s, tmcd ...) */
url_fskip(pb, size - (url_ftell(pb) - start_pos));
@ -1472,6 +1476,7 @@ static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
int64_t disp_transform[2];
int display_matrix[3][2];
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
MOVStreamContext *sc = st->priv_data;
int version = get_byte(pb);
get_be24(pb); /* flags */
@ -1513,6 +1518,8 @@ static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
width = get_be32(pb); // 16.16 fixed point track width
height = get_be32(pb); // 16.16 fixed point track height
sc->width = width >> 16;
sc->height = height >> 16;
//transform the display width/height according to the matrix
// skip this if the display matrix is the default identity matrix