* Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AV_CODEC_DEFAULT_BITRATE 200*1000
static const AVOption options[]={
-{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), AV_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), AV_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, A|E},
+{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), AV_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, A|V|E},
+{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), AV_OPT_TYPE_INT, {.dbl = 128*1000 }, INT_MIN, INT_MAX, A|E},
{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), AV_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE*20 }, 1, INT_MAX, V|E},
{"flags", NULL, OFFSET(flags), AV_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, V|A|E|D, "flags"},
{"mv4", "use four motion vector by macroblock (mpeg4)", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},
{"sgop", "strictly enforce gop size", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, "flags2"},
{"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
{"local_header", "place global headers at every keyframe instead of in extradata", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V|E, "flags2"},
+{"showall", "Show all frames before the first keyframe", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SHOW_ALL }, INT_MIN, INT_MAX, V|D, "flags2"},
{"sub_id", NULL, OFFSET(sub_id), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
{"me_method", "set motion estimation method", OFFSET(me_method), AV_OPT_TYPE_INT, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V|E, "me_method"},
{"zero", "zero motion estimation (fastest)", 0, AV_OPT_TYPE_CONST, {.dbl = ME_ZERO }, INT_MIN, INT_MAX, V|E, "me_method" },
{"ibias", "intra quant bias", OFFSET(intra_quant_bias), AV_OPT_TYPE_INT, {.dbl = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, V|E},
{"pbias", "inter quant bias", OFFSET(inter_quant_bias), AV_OPT_TYPE_INT, {.dbl = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, V|E},
{"color_table_id", NULL, OFFSET(color_table_id), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
-{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
{"global_quality", NULL, OFFSET(global_quality), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|A|E},
{"coder", NULL, OFFSET(coder_type), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "coder"},
{"vlc", "variable length coder / huffman coder", 0, AV_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_VLC }, INT_MIN, INT_MAX, V|E, "coder"},
{"nr", "noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"rc_init_occupancy", "number of bits which should be loaded into the rc buffer before decoding starts", OFFSET(rc_initial_buffer_occupancy), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"inter_threshold", NULL, OFFSET(inter_threshold), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
-{"flags2", NULL, OFFSET(flags2), AV_OPT_TYPE_FLAGS, {.dbl = CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_BIT_RESERVOIR|CODEC_FLAG2_PSY|CODEC_FLAG2_MBTREE }, 0, UINT_MAX, V|A|E|D, "flags2"},
+#if FF_API_X264_GLOBAL_OPTS
+#define X264_DEFAULTS CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_PSY|CODEC_FLAG2_MBTREE
+#else
+#define X264_DEFAULTS 0
+#endif
+#if FF_API_LAME_GLOBAL_OPTS
+#define LAME_DEFAULTS CODEC_FLAG2_BIT_RESERVOIR
+#else
+#define LAME_DEFAULTS 0
+#endif
+{"flags2", NULL, OFFSET(flags2), AV_OPT_TYPE_FLAGS, {.dbl = X264_DEFAULTS|LAME_DEFAULTS }, 0, UINT_MAX, V|A|E|D, "flags2"},
{"error", NULL, OFFSET(error_rate), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
#if FF_API_ANTIALIAS_ALGO
{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|D, "aa"},
{"float", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_AA_FLOAT }, INT_MIN, INT_MAX, V|D, "aa"},
#endif
{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
-{"threads", NULL, OFFSET(thread_count), AV_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E|D},
+{"threads", NULL, OFFSET(thread_count), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V|E|D, "threads"},
+{"auto", "detect a good number of threads", 0, AV_OPT_TYPE_CONST, {.dbl = 0 }, INT_MIN, INT_MAX, V|E|D, "threads"},
{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"dc", "intra_dc_precision", OFFSET(intra_dc_precision), AV_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V|E},
{"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), AV_OPT_TYPE_INT, {.dbl = 1 }, 0, 4, V|E},
{"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, 10, V|E},
#if FF_API_X264_GLOBAL_OPTS
-{"crf", "enables constant quality mode, and selects the quality (x264)", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 51, V|E},
+{"crf", "enables constant quality mode, and selects the quality (x264/VP8)", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 63, V|E},
{"cqp", "constant quantization parameter rate control method", OFFSET(cqp), AV_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, V|E},
#endif
-{"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), AV_OPT_TYPE_INT, {.dbl = 25 }, INT_MIN, INT_MAX, V|E},
-{"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), AV_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E},
+{"keyint_min", "minimum interval between IDR-frames", OFFSET(keyint_min), AV_OPT_TYPE_INT, {.dbl = 25 }, INT_MIN, INT_MAX, V|E},
+{"refs", "reference frames to consider for motion compensation", OFFSET(refs), AV_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E},
{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
#if FF_API_X264_GLOBAL_OPTS
{"bframebias", "influences how often B-frames are used", OFFSET(bframebias), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"psy_trellis", "specify psycho visual trellis", OFFSET(psy_trellis), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, V|E},
{"aq_mode", "specify aq method", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.dbl = -1 }, -1, INT_MAX, V|E},
{"aq_strength", "specify aq strength", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1.0 }, -1, FLT_MAX, V|E},
-{"rc_lookahead", "specify number of frames to look ahead for frametype", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, {.dbl = 40 }, 0, INT_MAX, V|E},
+{"rc_lookahead", "specify number of frames to look ahead for frametype", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, {.dbl = -1 }, -1, INT_MAX, V|E},
{"ssim", "ssim will be calculated during encoding", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SSIM }, INT_MIN, INT_MAX, V|E, "flags2"},
{"intra_refresh", "use periodic insertion of intra blocks instead of keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_INTRA_REFRESH }, INT_MIN, INT_MAX, V|E, "flags2"},
{"crf_max", "in crf mode, prevents vbv from lowering quality beyond this point", OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 51, V|E},
{"cholesky", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_CHOLESKY }, INT_MIN, INT_MAX, A|E, "lpc_type"},
{"lpc_passes", "deprecated, use flac-specific options", OFFSET(lpc_passes), AV_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
#endif
-{"slices", "number of slices, used in parallelized decoding", OFFSET(slices), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V|E},
+{"slices", "number of slices, used in parallelized encoding", OFFSET(slices), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V|E},
{"thread_type", "select multithreading type", OFFSET(thread_type), AV_OPT_TYPE_FLAGS, {.dbl = FF_THREAD_SLICE|FF_THREAD_FRAME }, 0, INT_MAX, V|E|D, "thread_type"},
{"slice", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_THREAD_SLICE }, INT_MIN, INT_MAX, V|E|D, "thread_type"},
{"frame", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_THREAD_FRAME }, INT_MIN, INT_MAX, V|E|D, "thread_type"},
{"em", "Emergency", 0, AV_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EMERGENCY }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"vo", "Voice Over", 0, AV_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VOICE_OVER }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
{"ka", "Karaoke", 0, AV_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), AV_OPT_TYPE_INT, {.dbl = AV_SAMPLE_FMT_NONE }, AV_SAMPLE_FMT_NONE, AV_SAMPLE_FMT_NB-1, A|D, "request_sample_fmt"},
+{"request_sample_fmt", "sample format audio decoders should prefer", OFFSET(request_sample_fmt), AV_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, AV_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_U8 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{"s16", "16-bit signed integer", 0, AV_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S16 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
{"s32", "32-bit signed integer", 0, AV_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S32 }, INT_MIN, INT_MAX, A|D, "request_sample_fmt"},
#if FF_API_ALLOC_CONTEXT
void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType codec_type){
- avcodec_get_context_defaults3(s, NULL);
- s->codec_type = codec_type;
+ AVCodec c= {0};
+ c.type= codec_type;
+ avcodec_get_context_defaults3(s, &c);
}
#endif
int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec){
+ int flags=0;
memset(s, 0, sizeof(AVCodecContext));
s->av_class = &av_codec_context_class;
s->codec_type = codec ? codec->type : AVMEDIA_TYPE_UNKNOWN;
- av_opt_set_defaults(s);
+ if(s->codec_type == AVMEDIA_TYPE_AUDIO)
+ flags= AV_OPT_FLAG_AUDIO_PARAM;
+ else if(s->codec_type == AVMEDIA_TYPE_VIDEO)
+ flags= AV_OPT_FLAG_VIDEO_PARAM;
+ else if(s->codec_type == AVMEDIA_TYPE_SUBTITLE)
+ flags= AV_OPT_FLAG_SUBTITLE_PARAM;
+ av_opt_set_defaults2(s, flags, flags);
s->time_base = (AVRational){0,1};
s->get_buffer = avcodec_default_get_buffer;
s->sample_aspect_ratio = (AVRational){0,1};
s->pix_fmt = PIX_FMT_NONE;
s->sample_fmt = AV_SAMPLE_FMT_NONE;
+ s->timecode_frame_start = -1;
s->reget_buffer = avcodec_default_reget_buffer;
s->reordered_opaque = AV_NOPTS_VALUE;
}
}
if(codec->priv_class){
- *(AVClass**)s->priv_data= codec->priv_class;
+ *(const AVClass**)s->priv_data = codec->priv_class;
av_opt_set_defaults(s->priv_data);
}
}
if (codec && codec->defaults) {
int ret;
- AVCodecDefault *d = codec->defaults;
+ const AVCodecDefault *d = codec->defaults;
while (d->key) {
- ret = av_set_string3(s, d->key, d->value, 0, NULL);
+ ret = av_opt_set(s, d->key, d->value, 0);
av_assert0(ret >= 0);
d++;
}
dest->priv_data = NULL;
dest->codec = NULL;
dest->slice_offset = NULL;
- dest->internal_buffer = NULL;
dest->hwaccel = NULL;
dest->thread_opaque = NULL;
+ dest->internal = NULL;
/* reallocate values that should be allocated separately */
dest->rc_eq = NULL;
{
return &av_codec_context_class;
}
+
+#define FOFFSET(x) offsetof(AVFrame,x)
+
+static const AVOption frame_options[]={
+{"best_effort_timestamp", "", FOFFSET(best_effort_timestamp), AV_OPT_TYPE_INT64, {.dbl = AV_NOPTS_VALUE }, INT64_MIN, INT64_MAX, 0},
+{"pkt_pos", "", FOFFSET(pkt_pos), AV_OPT_TYPE_INT64, {.dbl = -1 }, INT64_MIN, INT64_MAX, 0},
+{"sample_aspect_ratio", "", FOFFSET(sample_aspect_ratio), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, 0, INT_MAX, 0},
+{"width", "", FOFFSET(width), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
+{"height", "", FOFFSET(height), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
+{"format", "", FOFFSET(format), AV_OPT_TYPE_INT, {.dbl = -1 }, 0, INT_MAX, 0},
+{NULL},
+};
+
+static const AVClass av_frame_class = {
+ .class_name = "AVFrame",
+ .item_name = NULL,
+ .option = frame_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+const AVClass *avcodec_get_frame_class(void)
+{
+ return &av_frame_class;
+}