diff options
Diffstat (limited to 'libavcodec/avcodec.h')
| -rw-r--r-- | libavcodec/avcodec.h | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 765bc660f4..5395a24bf4 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -829,10 +829,23 @@ typedef struct AVCodecContext { #define FF_EC_DEBLOCK 2 /** - * dsp_mask could be used to disable unwanted + * dsp_mask could be add used to disable unwanted CPU features * CPU features (i.e. MMX, SSE. ...) - */ - unsigned dsp_mask; + * + * with FORCE flag you may instead enable given CPU features + * (Dangerous: usable in case of misdetection, improper usage however will + * result into program crash) + */ + unsigned dsp_mask; +#define FF_MM_FORCE 0x80000000 /* force usage of selected flags (OR) */ + /* lower 16 bits - CPU features */ +#ifdef HAVE_MMX +#define FF_MM_MMX 0x0001 /* standard MMX */ +#define FF_MM_3DNOW 0x0004 /* AMD 3DNOW */ +#define FF_MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */ +#define FF_MM_SSE 0x0008 /* SSE functions */ +#define FF_MM_SSE2 0x0010 /* PIV SSE2 functions */ +#endif /* HAVE_MMX */ /** * bits per sample/pixel from the demuxer (needed for huffyuv). @@ -1012,7 +1025,6 @@ typedef struct AVCodecContext { } AVCodecContext; -//void avcodec_getopt(AVCodecContext* avctx, const char* str, avc_config_t** config); /** * AVOption. @@ -1020,8 +1032,8 @@ typedef struct AVCodecContext { typedef struct AVOption { /** options' name */ const char *name; /* if name is NULL, it indicates a link to next */ - /** short English text help */ - const char *help; + /** short English text help or const struct AVOption* subpointer */ + const char *help; // const struct AVOption* sub; /** offset to context structure where the parsed value should be stored */ int offset; /** options' type */ @@ -1046,12 +1058,19 @@ typedef struct AVOption { * defval might select other then first argument as default */ const char *defstr; - const struct AVOption *sub; /* used when name is NULL */ - /* when it's NULL return to previous level (or finish reading) */ #define FF_OPT_MAX_DEPTH 10 } AVOption; /** + * Parse option(s) and sets fields in passed structure + * @param strct structure where the parsed results will be written + * @param list list with AVOptions + * @param opts string with options for parsing + */ +int avoption_parse(void* strct, const AVOption* list, const char* opts); + + +/** * AVCodec. */ typedef struct AVCodec { |