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ipmovie: Add param change side data if the video dimensions have changed

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Paul B Mahol 2012-01-06 03:09:06 +02:00 committed by Martin Storsjö
parent 17aa02b9a1
commit 75146b8828
1 changed files with 16 additions and 2 deletions
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18
libavformat/ipmovie.c
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@ -89,6 +89,7 @@ typedef struct IPMVEContext {
int64_t video_pts;
uint32_t palette[256];
int has_palette;
int changed;
unsigned int audio_bits;
unsigned int audio_channels;
@ -168,6 +169,10 @@ static int load_ipmovie_packet(IPMVEContext *s, AVIOContext *pb,
}
}
if (s->changed) {
ff_add_param_change(pkt, 0, 0, 0, s->video_width, s->video_height);
s->changed = 0;
}
pkt->pos= s->decode_map_chunk_offset;
avio_seek(pb, s->decode_map_chunk_offset, SEEK_SET);
s->decode_map_chunk_offset = 0;
@ -223,6 +228,7 @@ static int process_ipmovie_chunk(IPMVEContext *s, AVIOContext *pb,
int first_color, last_color;
int audio_flags;
unsigned char r, g, b;
unsigned int width, height;
/* see if there are any pending packets */
chunk_type = load_ipmovie_packet(s, pb, pkt);
@ -379,8 +385,16 @@ static int process_ipmovie_chunk(IPMVEContext *s, AVIOContext *pb,
chunk_type = CHUNK_BAD;
break;
}
s->video_width = AV_RL16(&scratch[0]) * 8;
s->video_height = AV_RL16(&scratch[2]) * 8;
width = AV_RL16(&scratch[0]) * 8;
height = AV_RL16(&scratch[2]) * 8;
if (width != s->video_width) {
s->video_width = width;
s->changed++;
}
if (height != s->video_height) {
s->video_height = height;
s->changed++;
}
if (opcode_version < 2 || !AV_RL16(&scratch[6])) {
s->video_bpp = 8;
} else {