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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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57
libavcodec/dv_profile.c
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@@ -18,11 +18,16 @@
#include <stdint.h>
#include "config.h"
#include "libavutil/common.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dv_profile.h"
#include "dv_profile_internal.h"
#if CONFIG_DVPROFILE
static const uint8_t dv_audio_shuffle525[10][9] = {
{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
@@ -63,7 +68,7 @@ static const uint8_t block_sizes_dv100[8] = {
80, 80, 80, 80, 80, 80, 64, 64,
};
static const DVprofile dv_profiles[] = {
static const AVDVProfile dv_profiles[] = {
{ .dsf = 0,
.video_stype = 0x0,
.frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
@@ -246,9 +251,23 @@ static const DVprofile dv_profiles[] = {
}
};
const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
const uint8_t* frame, unsigned buf_size)
void ff_dv_print_profiles(void *logctx, int loglevel)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
const AVDVProfile *p = &dv_profiles[i];
av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, "
"framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
p->time_base.den, p->time_base.num);
}
}
#endif /* CONFIG_DVPROFILE */
const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
const uint8_t* frame, unsigned buf_size)
{
#if CONFIG_DVPROFILE
int i, dsf, stype;
if (buf_size < 80 * 5 + 48 + 4)
@@ -269,30 +288,36 @@ const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
/* check if old sys matches and assumes corrupted input */
if (sys && buf_size == sys->frame_size)
return sys;
#endif
return NULL;
}
const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
const AVDVProfile *av_dv_codec_profile(int width, int height,
enum AVPixelFormat pix_fmt)
{
#if CONFIG_DVPROFILE
int i;
for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
if (codec->height == dv_profiles[i].height &&
codec->pix_fmt == dv_profiles[i].pix_fmt &&
codec->width == dv_profiles[i].width)
return &dv_profiles[i];
if (height == dv_profiles[i].height &&
pix_fmt == dv_profiles[i].pix_fmt &&
width == dv_profiles[i].width)
return &dv_profiles[i];
#endif
return NULL;
}
void ff_dv_print_profiles(void *logctx, int loglevel)
#if LIBAVCODEC_VERSION_MAJOR < 56
const AVDVProfile *avpriv_dv_frame_profile(const AVDVProfile *sys,
const uint8_t* frame, unsigned buf_size)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
const DVprofile *p = &dv_profiles[i];
av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, "
"framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
p->time_base.den, p->time_base.num);
}
return av_dv_frame_profile(sys, frame, buf_size);
}
const AVDVProfile *avpriv_dv_codec_profile(AVCodecContext *codec)
{
return av_dv_codec_profile(codec->width, codec->height, codec->pix_fmt);
}
#endif