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add av_dv_codec_profile2 : uses framerate to select best matching profile. default on first matching profile

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Signed-off-by: Steve Jiekak <devaureshy@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Steve Jiekak 2014-12-04 14:48:14 +01:00 committed by Michael Niedermayer
parent bde27e1e61
commit 6e9ac02af8
4 changed files with 37 additions and 8 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2014-08-09
API changes, most recent first:
2014-12-04 - xxxxxxx - lavc 56.14.100 - dv_profile.h
Add av_dv_codec_profile2().
-------- 8< --------- FFmpeg 2.5 was cut here -------- 8< ---------
2014-11-21 - ab922f9 - lavu 54.15.100 - dict.h

34
libavcodec/dv_profile.c
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@ -315,15 +315,35 @@ 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 (height == dv_profiles[i].height &&
pix_fmt == dv_profiles[i].pix_fmt &&
width == dv_profiles[i].width)
return &dv_profiles[i];
return av_dv_codec_profile2(width, height, pix_fmt, (AVRational){0, 0});
#endif
return NULL;
}
const AVDVProfile *av_dv_codec_profile2(int width, int height,
enum AVPixelFormat pix_fmt,
AVRational frame_rate)
{
const AVDVProfile *p = NULL;
#if CONFIG_DVPROFILE
int i;
/* frame rate is necessary to select between 720p50 and 720p60 profiles */
int invalid_framerate = frame_rate.num == 0 || frame_rate.den == 0;
for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
if (height == dv_profiles[i].height &&
pix_fmt == dv_profiles[i].pix_fmt &&
width == dv_profiles[i].width)
{
if( invalid_framerate || av_div_q(dv_profiles[i].time_base, frame_rate).num == 1 )
return &dv_profiles[i];
if(!p)
p = &dv_profiles[i];
}
#endif
return p;
}

6
libavcodec/dv_profile.h
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@ -83,4 +83,10 @@ const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
*/
const AVDVProfile *av_dv_codec_profile(int width, int height, enum AVPixelFormat pix_fmt);
/**
* Get a DV profile for the provided stream parameters.
* The frame rate is used as a best-effort parameter.
*/
const AVDVProfile *av_dv_codec_profile2(int width, int height, enum AVPixelFormat pix_fmt, AVRational frame_rate);
#endif /* AVCODEC_DV_PROFILE_H */

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 56
#define LIBAVCODEC_VERSION_MINOR 13
#define LIBAVCODEC_VERSION_MINOR 14
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \