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lavc: export DV profile API used by muxer/demuxer as public

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This commit is contained in:
Anton Khirnov
2014-07-05 09:09:15 +00:00
parent 3f3232a371
commit f6ee61fb05
13 changed files with 121 additions and 48 deletions
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15
libavformat/dv.c
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@@ -39,7 +39,7 @@
#include "dv.h"
struct DVDemuxContext {
const DVprofile* sys; /* Current DV profile. E.g.: 525/60, 625/50 */
const AVDVProfile* sys; /* Current DV profile. E.g.: 525/60, 625/50 */
AVFormatContext* fctx;
AVStream* vst;
AVStream* ast[4];
@@ -109,7 +109,7 @@ static const int dv_audio_frequency[3] = {
* are converted into 16bit linear ones.
*/
static int dv_extract_audio(uint8_t *frame, uint8_t **ppcm,
const DVprofile *sys)
const AVDVProfile *sys)
{
int size, chan, i, j, d, of, smpls, freq, quant, half_ch;
uint16_t lc, rc;
@@ -347,7 +347,7 @@ int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
uint8_t *ppcm[5] = { 0 };
if (buf_size < DV_PROFILE_BYTES ||
!(c->sys = avpriv_dv_frame_profile(c->sys, buf, buf_size)) ||
!(c->sys = av_dv_frame_profile(c->sys, buf, buf_size)) ||
buf_size < c->sys->frame_size) {
return -1; /* Broken frame, or not enough data */
}
@@ -395,7 +395,8 @@ static int64_t dv_frame_offset(AVFormatContext *s, DVDemuxContext *c,
int64_t timestamp, int flags)
{
// FIXME: sys may be wrong if last dv_read_packet() failed (buffer is junk)
const DVprofile *sys = avpriv_dv_codec_profile(c->vst->codec);
const AVDVProfile *sys = av_dv_codec_profile(c->vst->codec->width, c->vst->codec->height,
c->vst->codec->pix_fmt);
int64_t offset;
int64_t size = avio_size(s->pb) - s->data_offset;
int64_t max_offset = ((size - 1) / sys->frame_size) * sys->frame_size;
@@ -460,9 +461,9 @@ static int dv_read_header(AVFormatContext *s)
avio_seek(s->pb, -DV_PROFILE_BYTES, SEEK_CUR) < 0)
return AVERROR(EIO);
c->dv_demux->sys = avpriv_dv_frame_profile(c->dv_demux->sys,
c->buf,
DV_PROFILE_BYTES);
c->dv_demux->sys = av_dv_frame_profile(c->dv_demux->sys,
c->buf,
DV_PROFILE_BYTES);
if (!c->dv_demux->sys) {
av_log(s, AV_LOG_ERROR,
"Can't determine profile of DV input stream.\n");