*/
#include "avcodec.h"
+#include "internal.h"
+#include "libavutil/avassert.h"
#include "libavutil/opt.h"
#include <float.h> /* FLT_MIN, FLT_MAX */
return "NULL";
}
+static const AVOption *opt_find(void *obj, const char *name, const char *unit, int opt_flags, int search_flags)
+{
+ AVCodecContext *s = obj;
+ AVCodec *c = NULL;
+
+ if (s->priv_data) {
+ if (s->codec->priv_class)
+ return av_opt_find(s->priv_data, name, unit, opt_flags, search_flags);
+ return NULL;
+ }
+
+ while ((c = av_codec_next(c))) {
+ const AVOption *o;
+ if (c->priv_class && (o = av_opt_find(&c->priv_class, name, unit, opt_flags, search_flags)))
+ return o;
+ }
+ return NULL;
+}
+
#define OFFSET(x) offsetof(AVCodecContext,x)
#define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C
//these names are too long to be readable
#define AV_CODEC_DEFAULT_BITRATE 200*1000
static const AVOption options[]={
-{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, V|E},
-{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = 64*1000 }, INT_MIN, INT_MAX, A|E},
+{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, V|A|E},
+{"ab", "this option is deprecated, use b", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, A|E},
{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE*20 }, 1, INT_MAX, V|E},
{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, V|A|E|D, "flags"},
{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},
{"careful", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, V|D, "er"},
{"compliant", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_COMPLIANT }, INT_MIN, INT_MAX, V|D, "er"},
{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_AGGRESSIVE }, INT_MIN, INT_MAX, V|D, "er"},
+#if FF_API_VERY_AGGRESSIVE
{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_VERY_AGGRESSIVE }, INT_MIN, INT_MAX, V|D, "er"},
+#endif /* FF_API_VERY_AGGRESSIVE */
+{"explode", "abort decoding on error recognition", 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_EXPLODE }, INT_MIN, INT_MAX, V|D, "er"},
{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
#if FF_API_ANTIALIAS_ALGO
{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|D, "aa"},
-#endif
{"auto", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_AUTO }, INT_MIN, INT_MAX, V|D, "aa"},
{"fastint", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_FASTINT }, INT_MIN, INT_MAX, V|D, "aa"},
{"int", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_INT }, INT_MIN, INT_MAX, V|D, "aa"},
{"float", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_FLOAT }, INT_MIN, INT_MAX, V|D, "aa"},
+#endif
{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E|D},
{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
#if FF_API_REQUEST_CHANNELS
{"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, A|D},
#endif
+#if FF_API_DRC_SCALE
{"drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0.0, 1.0, A|D},
+#endif
{"reservoir", "use bit reservoir", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_BIT_RESERVOIR }, INT_MIN, INT_MAX, A|E, "flags2"},
{"mbtree", "use macroblock tree ratecontrol (x264 only)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_MBTREE }, INT_MIN, INT_MAX, V|E, "flags2"},
{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
{"em", "Emergency", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EMERGENCY }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"vo", "Voice Over", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VOICE_OVER }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"ka", "Karaoke", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_KARAOKE }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
+{"request_sample_fmt", NULL, OFFSET(request_sample_fmt), FF_OPT_TYPE_INT, {.dbl = AV_SAMPLE_FMT_NONE }, AV_SAMPLE_FMT_NONE, AV_SAMPLE_FMT_NB-1, A|D, "request_sample_fmt"},
+{"u8" , "8-bit unsigned integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_U8 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
+{"s16", "16-bit signed integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S16 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
+{"s32", "32-bit signed integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S32 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
+{"flt", "32-bit float", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_FLT }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
+{"dbl", "64-bit double", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_DBL }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{NULL},
};
#undef D
#undef DEFAULT
-static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options, LIBAVUTIL_VERSION_INT, OFFSET(log_level_offset) };
+static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options, LIBAVUTIL_VERSION_INT, OFFSET(log_level_offset), .opt_find = opt_find};
void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType codec_type){
int flags=0;
av_opt_set_defaults(s->priv_data);
}
}
+ if (codec && codec->defaults) {
+ int ret;
+ AVCodecDefault *d = codec->defaults;
+ while (d->key) {
+ ret = av_set_string3(s, d->key, d->value, 0, NULL);
+ av_assert0(ret >= 0);
+ d++;
+ }
+ }
return 0;
}
return avctx;
}
+#if FF_API_ALLOC_CONTEXT
AVCodecContext *avcodec_alloc_context2(enum AVMediaType codec_type){
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
return avctx;
}
+#endif
void avcodec_get_context_defaults(AVCodecContext *s){
avcodec_get_context_defaults2(s, AVMEDIA_TYPE_UNKNOWN);
}
+#if FF_API_ALLOC_CONTEXT
AVCodecContext *avcodec_alloc_context(void){
return avcodec_alloc_context2(AVMEDIA_TYPE_UNKNOWN);
}
+#endif
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
{
projects / ffmpeg / blobdiff