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mov header field and compressor name patch by Roine Gustafsson <roine AT users DOT sourceforge DOT net> 

Originally committed as revision 3885 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roine Gustafsson 2005-01-26 09:31:49 +00:00 committed by François Revol
parent a64a006e95
commit 53ffdd1434
2 changed files with 24 additions and 15 deletions
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7
libavformat/mov.c
View File

@ -773,6 +773,7 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
//MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
int entries, frames_per_sample;
uint32_t format;
uint8_t codec_name[32];
/* for palette traversal */
int color_depth;
@ -845,7 +846,11 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
#ifdef DEBUG
av_log(NULL, AV_LOG_DEBUG, "frames/samples = %d\n", frames_per_sample);
#endif
get_buffer(pb, (uint8_t *)st->codec.codec_name, 32); /* codec name */
get_buffer(pb, codec_name, 32); /* codec name, pascal string (FIXME: true for mp4?) */
if (codec_name[0] <= 31) {
memcpy(st->codec.codec_name, &codec_name[1],codec_name[0]);
st->codec.codec_name[codec_name[0]] = 0;
}
st->codec.bits_per_sample = get_be16(pb); /* depth */
st->codec.color_table_id = get_be16(pb); /* colortable id */

32
libavformat/movenc.c
View File

@ -451,6 +451,7 @@ const CodecTag codec_movvideo_tags[] = {
static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
{
int pos = url_ftell(pb);
char compressor_name[32];
int tag;
put_be32(pb, 0); /* size */
@ -467,25 +468,28 @@ static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
put_be16(pb, 0); /* Reserved */
put_be16(pb, 1); /* Data-reference index */
put_be32(pb, 0); /* Reserved (= 02000c) */
put_be32(pb, 0); /* Reserved ("SVis")*/
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved (400)*/
put_be16(pb, 0); /* Codec stream version */
put_be16(pb, 0); /* Codec stream revision (=0) */
put_tag(pb, "FFMP"); /* Vendor */
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
put_be32(pb, 0); /* Temporal Quality */
put_be32(pb, 0x400); /* Spatial Quality = lossless*/
} else {
put_be32(pb, 0x200); /* Temporal Quality = normal */
put_be32(pb, 0x200); /* Spatial Quality = normal */
}
put_be16(pb, track->enc->width); /* Video width */
put_be16(pb, track->enc->height); /* Video height */
put_be32(pb, 0x00480000); /* Reserved */
put_be32(pb, 0x00480000); /* Reserved */
put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
put_be32(pb, 0); /* Data size (= 0) */
put_be16(pb, 1); /* Frame count (= 1) */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
put_be32(pb, 0); /* Reserved */
memset(compressor_name,0,32);
if (track->enc->codec->name)
strncpy(compressor_name,track->enc->codec->name,31);
put_byte(pb, FFMAX(strlen(compressor_name),32) );
put_buffer(pb, compressor_name, 31);
put_be16(pb, 0x18); /* Reserved */
put_be16(pb, 0xffff); /* Reserved */