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fftools/ffmpeg: add loopback decoding

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This allows to send an encoder's output back to decoding and feed the
result into a complex filtergraph.
This commit is contained in:
Anton Khirnov
2024-02-19 10:27:44 +01:00
parent b98af440c5
commit a9193f7b7d
10 changed files with 336 additions and 14 deletions
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7
fftools/cmdutils.h
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@@ -144,8 +144,8 @@ typedef struct OptionDef {
#define OPT_AUDIO (1 << 4)
#define OPT_SUBTITLE (1 << 5)
#define OPT_DATA (1 << 6)
/* The option is per-file (currently ffmpeg-only). At least one of OPT_INPUT or
* OPT_OUTPUT must be set when this flag is in use.
/* The option is per-file (currently ffmpeg-only). At least one of OPT_INPUT,
* OPT_OUTPUT, OPT_DECODER must be set when this flag is in use.
*/
#define OPT_PERFILE (1 << 7)
@@ -175,6 +175,9 @@ typedef struct OptionDef {
* name is stored in u1.name_canon */
#define OPT_HAS_CANON (1 << 14)
/* ffmpeg-only - OPT_PERFILE may apply to standalone decoders */
#define OPT_DECODER (1 << 15)
union {
void *dst_ptr;
int (*func_arg)(void *, const char *, const char *);