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a step toward CODEC_TYPE_DATA support

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remove a little duplicated code

Originally committed as revision 4342 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-06-03 08:50:46 +00:00
parent 0f0680c553
commit 1d92cc2bf2
1 changed files with 39 additions and 47 deletions
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86
libavformat/avienc.c
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@ -264,7 +264,7 @@ void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags
put_byte(pb, 0); put_byte(pb, 0);
} }
static void parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale) void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
{ {
int gcd; int gcd;
@ -384,54 +384,45 @@ static int avi_write_header(AVFormatContext *s)
/* stream generic header */ /* stream generic header */
strh = start_tag(pb, "strh"); strh = start_tag(pb, "strh");
switch(stream->codec_type) { switch(stream->codec_type) {
case CODEC_TYPE_VIDEO: case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
put_tag(pb, "vids"); case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
put_le32(pb, stream->codec_tag); // case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
put_le32(pb, 0); /* flags */ case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
put_le16(pb, 0); /* priority */
put_le16(pb, 0); /* language */
put_le32(pb, 0); /* initial frame */
put_le32(pb, stream->time_base.num); /* scale */
put_le32(pb, stream->time_base.den); /* rate */
av_set_pts_info(s->streams[i], 64, stream->time_base.num, stream->time_base.den);
put_le32(pb, 0); /* start */
avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, nb_frames); /* length, XXX: fill later */
put_le32(pb, 1024 * 1024); /* suggested buffer size */
put_le32(pb, -1); /* quality */
put_le32(pb, 0); /* sample size */
put_le16(pb, 0);
put_le16(pb, 0);
put_le16(pb, stream->width);
put_le16(pb, stream->height);
break;
case CODEC_TYPE_AUDIO:
put_tag(pb, "auds");
put_le32(pb, 1); /* tag */
put_le32(pb, 0); /* flags */
put_le16(pb, 0); /* priority */
put_le16(pb, 0); /* language */
put_le32(pb, 0); /* initial frame */
parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
put_le32(pb, au_scale); /* scale */
put_le32(pb, au_byterate); /* rate */
av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
put_le32(pb, 0); /* start */
avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, 0); /* length, XXX: filled later */
put_le32(pb, 12 * 1024); /* suggested buffer size */
put_le32(pb, -1); /* quality */
put_le32(pb, au_ssize); /* sample size */
put_le32(pb, 0);
put_le32(pb, 0);
break;
default:
return -1;
} }
if(stream->codec_type == CODEC_TYPE_VIDEO)
put_le32(pb, stream->codec_tag);
else
put_le32(pb, 1);
put_le32(pb, 0); /* flags */
put_le16(pb, 0); /* priority */
put_le16(pb, 0); /* language */
put_le32(pb, 0); /* initial frame */
ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
put_le32(pb, au_scale); /* scale */
put_le32(pb, au_byterate); /* rate */
av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
put_le32(pb, 0); /* start */
avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
put_le32(pb, 0); /* length, XXX: filled later */
/* suggested buffer size */ //FIXME set at the end to largest chunk
if(stream->codec_type == CODEC_TYPE_VIDEO)
put_le32(pb, 1024 * 1024);
else if(stream->codec_type == CODEC_TYPE_AUDIO)
put_le32(pb, 12 * 1024);
else
put_le32(pb, 0);
put_le32(pb, -1); /* quality */
put_le32(pb, au_ssize); /* sample size */
put_le32(pb, 0);
put_le16(pb, stream->width);
put_le16(pb, stream->height);
end_tag(pb, strh); end_tag(pb, strh);
if(stream->codec_type != CODEC_TYPE_DATA){
strf = start_tag(pb, "strf"); strf = start_tag(pb, "strf");
switch(stream->codec_type) { switch(stream->codec_type) {
case CODEC_TYPE_VIDEO: case CODEC_TYPE_VIDEO:
@ -447,6 +438,7 @@ static int avi_write_header(AVFormatContext *s)
return -1; return -1;
} }
end_tag(pb, strf); end_tag(pb, strf);
}
if (!url_is_streamed(pb)) { if (!url_is_streamed(pb)) {
unsigned char tag[5]; unsigned char tag[5];
@ -599,7 +591,7 @@ static int avi_write_idx1(AVFormatContext *s)
if (avi->frames_hdr_strm[n] != 0) { if (avi->frames_hdr_strm[n] != 0) {
stream = &s->streams[n]->codec; stream = &s->streams[n]->codec;
url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET); url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale); ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
if (au_ssize == 0) { if (au_ssize == 0) {
put_le32(pb, stream->frame_number); put_le32(pb, stream->frame_number);
nb_frames += stream->frame_number; nb_frames += stream->frame_number;