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ffmpeg: implement -force_key_frames expression evalution

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This commit is contained in:
Stefano Sabatini
2012-12-09 18:40:22 +01:00
parent 2b14344ab3
commit 43af18ef8b
3 changed files with 112 additions and 5 deletions
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14
ffmpeg.h
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@ -41,6 +41,7 @@
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
#include "libavutil/eval.h"
#include "libavutil/fifo.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
@ -289,6 +290,17 @@ typedef struct InputFile {
#endif
} InputFile;
enum forced_keyframes_const {
FKF_N,
FKF_N_FORCED,
FKF_PREV_FORCED_N,
FKF_PREV_FORCED_T,
FKF_T,
FKF_NB
};
extern const char *const forced_keyframes_const_names[];
typedef struct OutputStream {
int file_index; /* file index */
int index; /* stream index in the output file */
@ -320,6 +332,8 @@ typedef struct OutputStream {
int forced_kf_count;
int forced_kf_index;
char *forced_keyframes;
AVExpr *forced_keyframes_pexpr;
double forced_keyframes_expr_const_values[FKF_NB];
/* audio only */
int audio_channels_map[SWR_CH_MAX]; /* list of the channels id to pick from the source stream */