/*
* utils for libavcodec
- * Copyright (c) 2001 Fabrice Bellard.
+ * Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*/
/**
- * @file utils.c
+ * @file
* utils.
*/
-/* needed for mkstemp() */
-#define _XOPEN_SOURCE 500
-
+#include "libavutil/avstring.h"
#include "libavutil/integer.h"
#include "libavutil/crc.h"
+#include "libavutil/pixdesc.h"
+#include "libavcore/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "opt.h"
#include "imgconvert.h"
#include "audioconvert.h"
+#include "internal.h"
#include <stdlib.h>
#include <stdarg.h>
#include <limits.h>
#include <float.h>
-#if !defined(HAVE_MKSTEMP)
-#include <fcntl.h>
-#endif
-
-const uint8_t ff_reverse[256]={
-0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
-0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
-0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
-0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
-0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
-0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
-0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
-0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
-0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
-0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
-0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
-0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
-0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
-0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
-0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
-0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
-};
static int volatile entangled_thread_counter=0;
+int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
+static void *codec_mutex;
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
{
return ptr;
}
+void av_fast_malloc(void *ptr, unsigned int *size, unsigned int min_size)
+{
+ void **p = ptr;
+ if (min_size < *size)
+ return;
+ *size= FFMAX(17*min_size/16 + 32, min_size);
+ av_free(*p);
+ *p = av_malloc(*size);
+ if (!*p) *size = 0;
+}
+
/* encoder management */
-AVCodec *first_avcodec = NULL;
+static AVCodec *first_avcodec = NULL;
AVCodec *av_codec_next(AVCodec *c){
if(c) return c->next;
else return first_avcodec;
}
-void register_avcodec(AVCodec *format)
+void avcodec_register(AVCodec *codec)
{
AVCodec **p;
+ avcodec_init();
p = &first_avcodec;
while (*p != NULL) p = &(*p)->next;
- *p = format;
- format->next = NULL;
+ *p = codec;
+ codec->next = NULL;
+}
+
+#if LIBAVCODEC_VERSION_MAJOR < 53
+void register_avcodec(AVCodec *codec)
+{
+ avcodec_register(codec);
+}
+#endif
+
+unsigned avcodec_get_edge_width(void)
+{
+ return EDGE_WIDTH;
}
void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
#define INTERNAL_BUFFER_SIZE 32
-#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
-
-void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
+void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]){
int w_align= 1;
int h_align= 1;
case PIX_FMT_YUYV422:
case PIX_FMT_UYVY422:
case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV440P:
case PIX_FMT_YUV444P:
case PIX_FMT_GRAY8:
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUVJ422P:
+ case PIX_FMT_YUVJ440P:
case PIX_FMT_YUVJ444P:
case PIX_FMT_YUVA420P:
w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
h_align= 16;
+ if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP)
+ h_align= 32; // interlaced is rounded up to 2 MBs
break;
case PIX_FMT_YUV411P:
case PIX_FMT_UYYVYY411:
h_align=4;
}
case PIX_FMT_PAL8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB8:
if(s->codec_id == CODEC_ID_SMC){
w_align=4;
h_align=4;
break;
}
- *width = ALIGN(*width , w_align);
- *height= ALIGN(*height, h_align);
+ *width = FFALIGN(*width , w_align);
+ *height= FFALIGN(*height, h_align);
+ if(s->codec_id == CODEC_ID_H264)
+ *height+=2; // some of the optimized chroma MC reads one line too much
+
+ linesize_align[0] =
+ linesize_align[1] =
+ linesize_align[2] =
+ linesize_align[3] = STRIDE_ALIGN;
+//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
+//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
+//picture size unneccessarily in some cases. The solution here is not
+//pretty and better ideas are welcome!
+#if HAVE_MMX
+ if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
+ s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
+ s->codec_id == CODEC_ID_VP6A) {
+ linesize_align[0] =
+ linesize_align[1] =
+ linesize_align[2] = 16;
+ }
+#endif
}
-int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
- if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4)
- return 0;
+void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
+ int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w;
+ int linesize_align[4];
+ int align;
+ avcodec_align_dimensions2(s, width, height, linesize_align);
+ align = FFMAX(linesize_align[0], linesize_align[3]);
+ linesize_align[1] <<= chroma_shift;
+ linesize_align[2] <<= chroma_shift;
+ align = FFMAX3(align, linesize_align[1], linesize_align[2]);
+ *width=FFALIGN(*width, align);
+}
- av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
- return -1;
+#if LIBAVCODEC_VERSION_MAJOR < 53
+int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
+ return av_check_image_size(w, h, 0, av_log_ctx);
}
+#endif
int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
int i;
return -1;
}
- if(avcodec_check_dimensions(s,w,h))
+ if(av_check_image_size(w, h, 0, s))
return -1;
if(s->internal_buffer==NULL){
int h_chroma_shift, v_chroma_shift;
int size[4] = {0};
int tmpsize;
+ int unaligned;
AVPicture picture;
+ int stride_align[4];
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
- avcodec_align_dimensions(s, &w, &h);
+ avcodec_align_dimensions2(s, &w, &h, stride_align);
if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
w+= EDGE_WIDTH*2;
h+= EDGE_WIDTH*2;
}
- avcodec_align_dimensions(s, &w, &h);
- ff_fill_linesize(&picture, s->pix_fmt, w);
+ do {
+ // NOTE: do not align linesizes individually, this breaks e.g. assumptions
+ // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
+ av_fill_image_linesizes(picture.linesize, s->pix_fmt, w);
+ // increase alignment of w for next try (rhs gives the lowest bit set in w)
+ w += w & ~(w-1);
- for (i=0; i<4; i++)
- picture.linesize[i] = ALIGN(picture.linesize[i], STRIDE_ALIGN);
+ unaligned = 0;
+ for (i=0; i<4; i++){
+ unaligned |= picture.linesize[i] % stride_align[i];
+ }
+ } while (unaligned);
- tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h);
+ tmpsize = av_fill_image_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize);
+ if (tmpsize < 0)
+ return -1;
for (i=0; i<3 && picture.data[i+1]; i++)
size[i] = picture.data[i+1] - picture.data[i];
if(buf->base[i]==NULL) return -1;
memset(buf->base[i], 128, size[i]);
- // no edge if EDEG EMU or not planar YUV, we check for PAL8 redundantly to protect against a exploitable bug regression ...
- if((s->flags&CODEC_FLAG_EMU_EDGE) || (s->pix_fmt == PIX_FMT_PAL8) || !size[2])
+ // no edge if EDGE EMU or not planar YUV
+ if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
buf->data[i] = buf->base[i];
else
- buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
+ buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
}
+ if(size[1] && !size[2])
+ ff_set_systematic_pal((uint32_t*)buf->data[1], s->pix_fmt);
buf->width = s->width;
buf->height = s->height;
buf->pix_fmt= s->pix_fmt;
}
/* If internal buffer type return the same buffer */
- if(pic->type == FF_BUFFER_TYPE_INTERNAL)
+ if(pic->type == FF_BUFFER_TYPE_INTERNAL) {
+ pic->reordered_opaque= s->reordered_opaque;
return 0;
+ }
/*
* Not internal type and reget_buffer not overridden, emulate cr buffer
return 0;
}
-int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
+int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){
int i;
for(i=0; i<count; i++){
- int r= func(c, arg[i]);
+ int r= func(c, (char*)arg + i*size);
if(ret) ret[i]= r;
}
return 0;
}
-enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt){
- return fmt[0];
-}
-
-static const char* context_to_name(void* ptr) {
- AVCodecContext *avc= ptr;
-
- if(avc && avc->codec && avc->codec->name)
- return avc->codec->name;
- else
- 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 V AV_OPT_FLAG_VIDEO_PARAM
-#define A AV_OPT_FLAG_AUDIO_PARAM
-#define S AV_OPT_FLAG_SUBTITLE_PARAM
-#define E AV_OPT_FLAG_ENCODING_PARAM
-#define D AV_OPT_FLAG_DECODING_PARAM
-
-#define AV_CODEC_DEFAULT_BITRATE 200*1000
-
-static const AVOption options[]={
-{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|E},
-{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, 64*1000, INT_MIN, INT_MAX, A|E},
-{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE*20, 1, INT_MAX, V|E},
-{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, 0, UINT_MAX, V|A|E|D, "flags"},
-{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
-{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
-{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
-{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOOP_FILTER, INT_MIN, INT_MAX, V|E, "flags"},
-{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QSCALE, INT_MIN, INT_MAX, 0, "flags"},
-{"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GMC, INT_MIN, INT_MAX, V|E, "flags"},
-{"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_MV0, INT_MIN, INT_MAX, V|E, "flags"},
-{"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PART, INT_MIN, INT_MAX, V|E, "flags"},
-{"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INPUT_PRESERVED, INT_MIN, INT_MAX, 0, "flags"},
-{"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS1, INT_MIN, INT_MAX, 0, "flags"},
-{"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS2, INT_MIN, INT_MAX, 0, "flags"},
-{"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EXTERN_HUFF, INT_MIN, INT_MAX, 0, "flags"},
-{"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GRAY, INT_MIN, INT_MAX, V|E|D, "flags"},
-{"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EMU_EDGE, INT_MIN, INT_MAX, 0, "flags"},
-{"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PSNR, INT_MIN, INT_MAX, V|E, "flags"},
-{"truncated", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRUNCATED, INT_MIN, INT_MAX, 0, "flags"},
-{"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_NORMALIZE_AQP, INT_MIN, INT_MAX, V|E, "flags"},
-{"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_DCT, INT_MIN, INT_MAX, V|E, "flags"},
-{"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOW_DELAY, INT_MIN, INT_MAX, V|D|E, "flags"},
-{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
-#endif
-{"global_header", "place global headers in extradata instead of every keyframe", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GLOBAL_HEADER, INT_MIN, INT_MAX, V|A|E, "flags"},
-{"bitexact", "use only bitexact stuff (except (i)dct)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_BITEXACT, INT_MIN, INT_MAX, A|V|S|D|E, "flags"},
-{"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_AC_PRED, INT_MIN, INT_MAX, V|E, "flags"},
-{"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_UMV, INT_MIN, INT_MAX, V|E, "flags"},
-{"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CBP_RD, INT_MIN, INT_MAX, V|E, "flags"},
-{"qprd", "use rate distortion optimization for qp selection", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QP_RD, INT_MIN, INT_MAX, V|E, "flags"},
-{"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},
-{"slice", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_SLICE_STRUCT, INT_MIN, INT_MAX, V|E, "flags"},
-{"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_ME, INT_MIN, INT_MAX, V|E, "flags"},
-{"scan_offset", "will reserve space for svcd scan offset user data", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_SVCD_SCAN_OFFSET, INT_MIN, INT_MAX, V|E, "flags"},
-{"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CLOSED_GOP, INT_MIN, INT_MAX, V|E, "flags"},
-{"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FAST, INT_MIN, INT_MAX, V|E, "flags2"},
-{"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_STRICT_GOP, INT_MIN, INT_MAX, V|E, "flags2"},
-{"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NO_OUTPUT, INT_MIN, INT_MAX, V|E, "flags2"},
-{"local_header", "place global headers at every keyframe instead of in extradata", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_LOCAL_HEADER, INT_MIN, INT_MAX, V|E, "flags2"},
-{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-{"me", "set motion estimation method (deprecated, use me_method instead)", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
-#endif
-{"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, ME_ZERO, INT_MIN, INT_MAX, V|E, "me_method" },
-{"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
-{"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
-{"esa", "esa motion estimation (alias for full)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
-{"tesa", "tesa motion estimation", 0, FF_OPT_TYPE_CONST, ME_TESA, INT_MIN, INT_MAX, V|E, "me_method" },
-{"dia", "dia motion estimation (alias for epzs)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
-{"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, ME_LOG, INT_MIN, INT_MAX, V|E, "me_method" },
-{"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, ME_PHODS, INT_MIN, INT_MAX, V|E, "me_method" },
-{"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, ME_X1, INT_MIN, INT_MAX, V|E, "me_method" },
-{"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, ME_HEX, INT_MIN, INT_MAX, V|E, "me_method" },
-{"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, ME_UMH, INT_MIN, INT_MAX, V|E, "me_method" },
-{"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, ME_ITER, INT_MIN, INT_MAX, V|E, "me_method" },
-{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
-{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, 12, INT_MIN, INT_MAX, V|E},
-{"rate_emu", "frame rate emulation", OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
-{"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
-{"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"real_pict_num", NULL, OFFSET(real_pict_num), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, 0.5, -FLT_MAX, FLT_MAX, V|E},
-{"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, 0.5, 0, FLT_MAX, V|E},
-{"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, 2, 1, 51, V|E},
-{"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, 31, 1, 51, V|E},
-{"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, 3, INT_MIN, INT_MAX, V|E},
-{"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, 0, FF_MAX_B_FRAMES, V|E},
-{"b_qfactor", "qp factor between p and b frames", OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, 1.25, -FLT_MAX, FLT_MAX, V|E},
-{"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
-{"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-#endif
-{"ps", "rtp payload size in bits", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"bug", "workaround not auto detected encoder bugs", OFFSET(workaround_bugs), FF_OPT_TYPE_FLAGS, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
-{"autodetect", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
-{"old_msmpeg4", "some old lavc generated msmpeg4v3 files (no autodetection)", 0, FF_OPT_TYPE_CONST, FF_BUG_OLD_MSMPEG4, INT_MIN, INT_MAX, V|D, "bug"},
-{"xvid_ilace", "Xvid interlacing bug (autodetected if fourcc==XVIX)", 0, FF_OPT_TYPE_CONST, FF_BUG_XVID_ILACE, INT_MIN, INT_MAX, V|D, "bug"},
-{"ump4", "(autodetected if fourcc==UMP4)", 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
-{"no_padding", "padding bug (autodetected)", 0, FF_OPT_TYPE_CONST, FF_BUG_NO_PADDING, INT_MIN, INT_MAX, V|D, "bug"},
-{"amv", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AMV, INT_MIN, INT_MAX, V|D, "bug"},
-{"ac_vlc", "illegal vlc bug (autodetected per fourcc)", 0, FF_OPT_TYPE_CONST, FF_BUG_AC_VLC, INT_MIN, INT_MAX, V|D, "bug"},
-{"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
-{"std_qpel", "old standard qpel (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_STD_QPEL, INT_MIN, INT_MAX, V|D, "bug"},
-{"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA2, INT_MIN, INT_MAX, V|D, "bug"},
-{"direct_blocksize", "direct-qpel-blocksize bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_DIRECT_BLOCKSIZE, INT_MIN, INT_MAX, V|D, "bug"},
-{"edge", "edge padding bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_EDGE, INT_MIN, INT_MAX, V|D, "bug"},
-{"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_HPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
-{"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DC_CLIP, INT_MIN, INT_MAX, V|D, "bug"},
-{"ms", "workaround various bugs in microsofts broken decoders", 0, FF_OPT_TYPE_CONST, FF_BUG_MS, INT_MIN, INT_MAX, V|D, "bug"},
-{"lelim", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)", OFFSET(luma_elim_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"celim", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)", OFFSET(chroma_elim_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"strict", "how strictly to follow the standards", OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|V|D|E, "strict"},
-{"very", "strictly conform to a older more strict version of the spec or reference software", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|D|E, "strict"},
-{"strict", "strictly conform to all the things in the spec no matter what consequences", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_STRICT, INT_MIN, INT_MAX, V|D|E, "strict"},
-{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|D|E, "strict"},
-{"inofficial", "allow inofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|D|E, "strict"},
-{"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|D|E, "strict"},
-{"b_qoffset", "qp offset between P and B frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, 1.25, -FLT_MAX, FLT_MAX, V|E},
-{"er", "set error resilience strategy", OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, A|V|D, "er"},
-{"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
-{"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
-{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
-{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_VERY_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
-{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
-{"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
-{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", OFFSET(rc_qsquish), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 99, V|E},
-{"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
-{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
-{"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|V|E},
-{"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, -FLT_MAX, FLT_MAX, V|E},
-{"i_qfactor", "qp factor between P and I frames", OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, -0.8, -FLT_MAX, FLT_MAX, V|E},
-{"i_qoffset", "qp offset between P and I frames", OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, 0.0, -FLT_MAX, FLT_MAX, V|E},
-{"rc_init_cplx", "initial complexity for 1-pass encoding", OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
-{"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
-{"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
-{"fastint", "fast integer", 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
-{"int", "accurate integer", 0, FF_OPT_TYPE_CONST, FF_DCT_INT, INT_MIN, INT_MAX, V|E, "dct"},
-{"mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MMX, INT_MIN, INT_MAX, V|E, "dct"},
-{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MLIB, INT_MIN, INT_MAX, V|E, "dct"},
-{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_ALTIVEC, INT_MIN, INT_MAX, V|E, "dct"},
-{"faan", "floating point AAN DCT", 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
-{"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
-{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
-{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
-{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
-{"dark_mask", "compresses dark areas stronger than medium ones", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
-{"idct", "select IDCT implementation", OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E|D, "idct"},
-{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_AUTO, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_INT, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLE, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_LIBMPEG2MMX, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"ps2", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_PS2, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_MLIB, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"arm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ARM, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ALTIVEC, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"sh4", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SH4, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"simplearm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARM, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARMV5TE, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"simplearmv6", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARMV6, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"h264", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_H264, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"faani", "floating point AAN IDCT", 0, FF_OPT_TYPE_CONST, FF_IDCT_FAAN, INT_MIN, INT_MAX, V|D|E, "idct"},
-{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
-{"guess_mvs", "iterative motion vector (MV) search (slow)", 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
-{"deblock", "use strong deblock filter for damaged MBs", 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-#else
-{"bits_per_coded_sample", NULL, OFFSET(bits_per_coded_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-#endif
-{"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "pred"},
-{"left", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_LEFT, INT_MIN, INT_MAX, V|E, "pred"},
-{"plane", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_PLANE, INT_MIN, INT_MAX, V|E, "pred"},
-{"median", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_MEDIAN, INT_MIN, INT_MAX, V|E, "pred"},
-{"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, 0, 10, V|E},
-{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, V|A|S|E|D, "debug"},
-{"pict", "picture info", 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
-{"rc", "rate control", 0, FF_OPT_TYPE_CONST, FF_DEBUG_RC, INT_MIN, INT_MAX, V|E, "debug"},
-{"bitstream", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BITSTREAM, INT_MIN, INT_MAX, V|D, "debug"},
-{"mb_type", "macroblock (MB) type", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
-{"qp", "per-block quantization parameter (QP)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
-{"mv", "motion vector", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MV, INT_MIN, INT_MAX, V|D, "debug"},
-{"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_DCT_COEFF, INT_MIN, INT_MAX, V|D, "debug"},
-{"skip", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_SKIP, INT_MIN, INT_MAX, V|D, "debug"},
-{"startcode", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_STARTCODE, INT_MIN, INT_MAX, V|D, "debug"},
-{"pts", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PTS, INT_MIN, INT_MAX, V|D, "debug"},
-{"er", "error resilience", 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
-{"mmco", "memory management control operations (H.264)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MMCO, INT_MIN, INT_MAX, V|D, "debug"},
-{"bugs", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUGS, INT_MIN, INT_MAX, V|D, "debug"},
-{"vis_qp", "visualize quantization parameter (QP), lower QP are tinted greener", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_QP, INT_MIN, INT_MAX, V|D, "debug"},
-{"vis_mb_type", "visualize block types", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
-{"buffers", "picture buffer allocations", 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUFFERS, INT_MIN, INT_MAX, V|D, "debug"},
-{"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
-{"pf", "forward predicted MVs of P-frames", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_P_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
-{"bf", "forward predicted MVs of B-frames", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
-{"bb", "backward predicted MVs of B-frames", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_BACK, INT_MIN, INT_MAX, V|D, "debug_mv"},
-{"mb_qmin", "obsolete, use qmin", OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"mb_qmax", "obsolete, use qmax", OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"dia_size", "diamond type & size for motion estimation", OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"last_pred", "amount of motion predictors from the previous frame", OFFSET(last_predictor_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"sad", "sum of absolute differences, fast (default)", 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"sse", "sum of squared errors", 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"satd", "sum of absolute Hadamard transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"dct", "sum of absolute DCT transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"psnr", "sum of squared quantization errors (avoid, low quality)", 0, FF_OPT_TYPE_CONST, FF_CMP_PSNR, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"bit", "number of bits needed for the block", 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"rd", "rate distortion optimal, slow", 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"zero", "0", 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"vsad", "sum of absolute vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"vsse","sum of squared vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"nsse", "noise preserving sum of squared differences", 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
-#ifdef CONFIG_SNOW_ENCODER
-{"w53", "5/3 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"w97", "9/7 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W97, INT_MIN, INT_MAX, V|E, "cmp_func"},
-#endif
-{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_CHROMA, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"pre_dia_size", "diamond type & size for motion estimation pre-pass", OFFSET(pre_dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
-{"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"me_range", "limit motion vectors range (1023 for DivX player)", OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
-{"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
-{"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "coder"},
-{"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_VLC, INT_MIN, INT_MAX, V|E, "coder"},
-{"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_AC, INT_MIN, INT_MAX, V|E, "coder"},
-{"raw", "raw (no encoding)", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RAW, INT_MIN, INT_MAX, V|E, "coder"},
-{"rle", "run-length coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RLE, INT_MIN, INT_MAX, V|E, "coder"},
-{"deflate", "deflate-based coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_DEFLATE, INT_MIN, INT_MAX, V|E, "coder"},
-{"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
-{"simple", "use mbcmp (default)", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
-{"bits", "use fewest bits", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
-{"rd", "use best rate distortion", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_RD, INT_MIN, INT_MAX, V|E, "mbd"},
-{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
-{"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, 31*FF_QP2LAMBDA, 0, INT_MAX, V|E},
-{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, 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), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_BIT_RESERVOIR, 0, UINT_MAX, V|A|E|D, "flags2"},
-{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
-{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
-{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FASTINT, INT_MIN, INT_MAX, V|D, "aa"},
-{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_INT, INT_MIN, INT_MAX, V|D, "aa"},
-{"float", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FLOAT, INT_MIN, INT_MAX, V|D, "aa"},
-{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E|D},
-{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
-{"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
-{"skip_top", "number of macroblock rows at the top which are skipped", OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
-{"skip_bottom", "number of macroblock rows at the bottom which are skipped", OFFSET(skip_bottom), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
-{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
-{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
-{"aac_main", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_MAIN, INT_MIN, INT_MAX, A|E, "profile"},
-{"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"},
-{"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"},
-{"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"},
-{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
-{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
-{"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|D},
-{"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"border_mask", "increases the quantizer for macroblocks close to borders", OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
-{"mblmin", "min macroblock lagrange factor (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 2, 1, FF_LAMBDA_MAX, V|E},
-{"mblmax", "max macroblock lagrange factor (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 31, 1, FF_LAMBDA_MAX, V|E},
-{"mepc", "motion estimation bitrate penalty compensation (1.0 = 256)", OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, 256, INT_MIN, INT_MAX, V|E},
-{"skip_loop_filter", NULL, OFFSET(skip_loop_filter), FF_OPT_TYPE_INT, AVDISCARD_DEFAULT, INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"skip_idct" , NULL, OFFSET(skip_idct) , FF_OPT_TYPE_INT, AVDISCARD_DEFAULT, INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"skip_frame" , NULL, OFFSET(skip_frame) , FF_OPT_TYPE_INT, AVDISCARD_DEFAULT, INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"none" , NULL, 0, FF_OPT_TYPE_CONST, AVDISCARD_NONE , INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"default" , NULL, 0, FF_OPT_TYPE_CONST, AVDISCARD_DEFAULT, INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"noref" , NULL, 0, FF_OPT_TYPE_CONST, AVDISCARD_NONREF , INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"bidir" , NULL, 0, FF_OPT_TYPE_CONST, AVDISCARD_BIDIR , INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"nokey" , NULL, 0, FF_OPT_TYPE_CONST, AVDISCARD_NONKEY , INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"all" , NULL, 0, FF_OPT_TYPE_CONST, AVDISCARD_ALL , INT_MIN, INT_MAX, V|D, "avdiscard"},
-{"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
-{"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
-{"crf", "enables constant quality mode, and selects the quality (x264)", OFFSET(crf), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 51, V|E},
-{"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, V|E},
-{"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), FF_OPT_TYPE_INT, 25, INT_MIN, INT_MAX, V|E},
-{"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E},
-{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
-{"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal)", OFFSET(directpred), FF_OPT_TYPE_INT, 2, INT_MIN, INT_MAX, V|E},
-{"bpyramid", "allows B-frames to be used as references for predicting", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BPYRAMID, INT_MIN, INT_MAX, V|E, "flags2"},
-{"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
-{"mixed_refs", "one reference per partition, as opposed to one reference per macroblock", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_MIXED_REFS, INT_MIN, INT_MAX, V|E, "flags2"},
-{"dct8x8", "high profile 8x8 transform (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
-{"fastpskip", "fast pskip (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
-{"aud", "access unit delimiters (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
-{"brdo", "b-frame rate-distortion optimization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
-{"skiprd", "RD optimal MB level residual skipping", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_SKIP_RD, INT_MIN, INT_MAX, V|E, "flags2"},
-{"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, 20.0, FLT_MIN, FLT_MAX, V|E},
-{"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
-{"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
-{"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|E, "partitions"},
-{"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I4X4, INT_MIN, INT_MAX, V|E, "partitions"},
-{"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I8X8, INT_MIN, INT_MAX, V|E, "partitions"},
-{"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P4X4, INT_MIN, INT_MAX, V|E, "partitions"},
-{"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P8X8, INT_MIN, INT_MAX, V|E, "partitions"},
-{"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_B8X8, INT_MIN, INT_MAX, V|E, "partitions"},
-{"sc_factor", "multiplied by qscale for each frame and added to scene_change_score", OFFSET(scenechange_factor), FF_OPT_TYPE_INT, 6, 0, INT_MAX, V|E},
-{"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, 256, 0, INT_MAX, V|E},
-{"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"},
-{"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E},
-{"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, FF_COMPRESSION_DEFAULT, INT_MIN, INT_MAX, V|A|E},
-{"use_lpc", "sets whether to use LPC mode (FLAC)", OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"lpc_coeff_precision", "LPC coefficient precision (FLAC)", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E},
-{"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"prediction_order_method", "search method for selecting prediction order", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"min_partition_order", NULL, OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"max_partition_order", NULL, OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"timecode_frame_start", "GOP timecode frame start number, in non drop frame format", OFFSET(timecode_frame_start), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|E},
-{"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_DROP_FRAME_TIMECODE, INT_MIN, INT_MAX, V|E, "flags2"},
-{"non_linear_q", "use non linear quantizer", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NON_LINEAR_QUANT, INT_MIN, INT_MAX, V|E, "flags2"},
-{"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|D},
-{"drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), FF_OPT_TYPE_FLOAT, 1.0, 0.0, 1.0, A|D},
-{"reservoir", "use bit reservoir", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BIT_RESERVOIR, INT_MIN, INT_MAX, A|E, "flags2"},
-{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{NULL},
-};
-
-#undef A
-#undef V
-#undef S
-#undef E
-#undef D
-#undef DEFAULT
-
-static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
-
-void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type){
- int flags=0;
- memset(s, 0, sizeof(AVCodecContext));
-
- s->av_class= &av_codec_context_class;
-
- s->codec_type = codec_type;
- if(codec_type == CODEC_TYPE_AUDIO)
- flags= AV_OPT_FLAG_AUDIO_PARAM;
- else if(codec_type == CODEC_TYPE_VIDEO)
- flags= AV_OPT_FLAG_VIDEO_PARAM;
- else if(codec_type == CODEC_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->release_buffer= avcodec_default_release_buffer;
- s->get_format= avcodec_default_get_format;
- s->execute= avcodec_default_execute;
- s->sample_aspect_ratio= (AVRational){0,1};
- s->pix_fmt= PIX_FMT_NONE;
- s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
-
- s->palctrl = NULL;
- s->reget_buffer= avcodec_default_reget_buffer;
-}
-
-AVCodecContext *avcodec_alloc_context2(enum CodecType codec_type){
- AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
-
- if(avctx==NULL) return NULL;
-
- avcodec_get_context_defaults2(avctx, codec_type);
-
- return avctx;
-}
+int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr),void *arg, int *ret, int count){
+ int i;
-void avcodec_get_context_defaults(AVCodecContext *s){
- avcodec_get_context_defaults2(s, CODEC_TYPE_UNKNOWN);
+ for(i=0; i<count; i++){
+ int r= func(c, arg, i, 0);
+ if(ret) ret[i]= r;
+ }
+ return 0;
}
-AVCodecContext *avcodec_alloc_context(void){
- return avcodec_alloc_context2(CODEC_TYPE_UNKNOWN);
+enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt){
+ while (*fmt != PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt))
+ ++fmt;
+ return fmt[0];
}
void avcodec_get_frame_defaults(AVFrame *pic){
{
int ret= -1;
+ /* If there is a user-supplied mutex locking routine, call it. */
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
+
entangled_thread_counter++;
if(entangled_thread_counter != 1){
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
else if(avctx->width && avctx->height)
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
- if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
- av_freep(&avctx->priv_data);
+#define SANE_NB_CHANNELS 128U
+ if (((avctx->coded_width || avctx->coded_height)
+ && av_check_image_size(avctx->coded_width, avctx->coded_height, 0, avctx))
+ || avctx->channels > SANE_NB_CHANNELS) {
ret = AVERROR(EINVAL);
- goto end;
+ goto free_and_end;
}
avctx->codec = codec;
- avctx->codec_id = codec->id;
+ if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
+ avctx->codec_id == CODEC_ID_NONE) {
+ avctx->codec_type = codec->type;
+ avctx->codec_id = codec->id;
+ }
+ if(avctx->codec_id != codec->id || avctx->codec_type != codec->type){
+ av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n");
+ goto free_and_end;
+ }
avctx->frame_number = 0;
if(avctx->codec->init){
+ if(avctx->codec_type == AVMEDIA_TYPE_VIDEO &&
+ avctx->codec->max_lowres < avctx->lowres){
+ av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
+ avctx->codec->max_lowres);
+ goto free_and_end;
+ }
+
ret = avctx->codec->init(avctx);
if (ret < 0) {
- av_freep(&avctx->priv_data);
- avctx->codec= NULL;
- goto end;
+ goto free_and_end;
}
}
ret=0;
end:
entangled_thread_counter--;
+
+ /* Release any user-supplied mutex. */
+ if (ff_lockmgr_cb) {
+ (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ }
return ret;
+free_and_end:
+ av_freep(&avctx->priv_data);
+ avctx->codec= NULL;
+ goto end;
}
int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
return -1;
}
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
- int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
+ int ret = avctx->codec->encode(avctx, buf, buf_size, samples);
avctx->frame_number++;
return ret;
}else
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
- if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
+ if(av_check_image_size(avctx->width, avctx->height, 0, avctx))
return -1;
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
- int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
+ int ret = avctx->codec->encode(avctx, buf, buf_size, pict);
avctx->frame_number++;
emms_c(); //needed to avoid an emms_c() call before every return;
const AVSubtitle *sub)
{
int ret;
- ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
+ if(sub->start_display_time) {
+ av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
+ return -1;
+ }
+ if(sub->num_rects == 0 || !sub->rects)
+ return -1;
+ ret = avctx->codec->encode(avctx, buf, buf_size, sub);
avctx->frame_number++;
return ret;
}
+#if LIBAVCODEC_VERSION_MAJOR < 53
int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
const uint8_t *buf, int buf_size)
+{
+ AVPacket avpkt;
+ av_init_packet(&avpkt);
+ avpkt.data = buf;
+ avpkt.size = buf_size;
+ // HACK for CorePNG to decode as normal PNG by default
+ avpkt.flags = AV_PKT_FLAG_KEY;
+
+ return avcodec_decode_video2(avctx, picture, got_picture_ptr, &avpkt);
+}
+#endif
+
+int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
+ int *got_picture_ptr,
+ AVPacket *avpkt)
{
int ret;
*got_picture_ptr= 0;
- if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
+ if((avctx->coded_width||avctx->coded_height) && av_check_image_size(avctx->coded_width, avctx->coded_height, 0, avctx))
return -1;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- buf, buf_size);
+ avpkt);
emms_c(); //needed to avoid an emms_c() call before every return;
return ret;
}
+#if LIBAVCODEC_VERSION_MAJOR < 53
int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
const uint8_t *buf, int buf_size)
+{
+ AVPacket avpkt;
+ av_init_packet(&avpkt);
+ avpkt.data = buf;
+ avpkt.size = buf_size;
+
+ return avcodec_decode_audio3(avctx, samples, frame_size_ptr, &avpkt);
+}
+#endif
+
+int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
+ int *frame_size_ptr,
+ AVPacket *avpkt)
{
int ret;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){
//FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n");
return -1;
}
- ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
- buf, buf_size);
+ ret = avctx->codec->decode(avctx, samples, frame_size_ptr, avpkt);
avctx->frame_number++;
}else{
ret= 0;
return ret;
}
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
- int *frame_size_ptr,
- const uint8_t *buf, int buf_size){
- *frame_size_ptr= AVCODEC_MAX_AUDIO_FRAME_SIZE;
- return avcodec_decode_audio2(avctx, samples, frame_size_ptr, buf, buf_size);
+#if LIBAVCODEC_VERSION_MAJOR < 53
+int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
+ int *got_sub_ptr,
+ const uint8_t *buf, int buf_size)
+{
+ AVPacket avpkt;
+ av_init_packet(&avpkt);
+ avpkt.data = buf;
+ avpkt.size = buf_size;
+
+ return avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, &avpkt);
}
#endif
-int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
+int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
int *got_sub_ptr,
- const uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
int ret;
*got_sub_ptr = 0;
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
- buf, buf_size);
+ ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
if (*got_sub_ptr)
avctx->frame_number++;
return ret;
}
-int avcodec_close(AVCodecContext *avctx)
+void avsubtitle_free(AVSubtitle *sub)
+{
+ int i;
+
+ for (i = 0; i < sub->num_rects; i++)
+ {
+ av_freep(&sub->rects[i]->pict.data[0]);
+ av_freep(&sub->rects[i]->pict.data[1]);
+ av_freep(&sub->rects[i]->pict.data[2]);
+ av_freep(&sub->rects[i]->pict.data[3]);
+ av_freep(&sub->rects[i]->text);
+ av_freep(&sub->rects[i]->ass);
+ av_freep(&sub->rects[i]);
+ }
+
+ av_freep(&sub->rects);
+
+ memset(sub, 0, sizeof(AVSubtitle));
+}
+
+av_cold int avcodec_close(AVCodecContext *avctx)
{
+ /* If there is a user-supplied mutex locking routine, call it. */
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
+
entangled_thread_counter++;
if(entangled_thread_counter != 1){
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
return -1;
}
- if (ENABLE_THREADS && avctx->thread_opaque)
+ if (HAVE_THREADS && avctx->thread_opaque)
avcodec_thread_free(avctx);
- if (avctx->codec->close)
+ if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
+ avctx->coded_frame = NULL;
av_freep(&avctx->priv_data);
+ if(avctx->codec && avctx->codec->encode)
+ av_freep(&avctx->extradata);
avctx->codec = NULL;
entangled_thread_counter--;
+
+ /* Release any user-supplied mutex. */
+ if (ff_lockmgr_cb) {
+ (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ }
return 0;
}
AVCodec *avcodec_find_encoder(enum CodecID id)
{
- AVCodec *p;
+ AVCodec *p, *experimental=NULL;
p = first_avcodec;
while (p) {
- if (p->encode != NULL && p->id == id)
- return p;
+ if (p->encode != NULL && p->id == id) {
+ if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
+ experimental = p;
+ } else
+ return p;
+ }
p = p->next;
}
- return NULL;
+ return experimental;
}
AVCodec *avcodec_find_encoder_by_name(const char *name)
{
AVCodec *p;
+ if (!name)
+ return NULL;
p = first_avcodec;
while (p) {
if (p->encode != NULL && strcmp(name,p->name) == 0)
AVCodec *avcodec_find_decoder_by_name(const char *name)
{
AVCodec *p;
+ if (!name)
+ return NULL;
p = first_avcodec;
while (p) {
if (p->decode != NULL && strcmp(name,p->name) == 0)
return NULL;
}
+static int get_bit_rate(AVCodecContext *ctx)
+{
+ int bit_rate;
+ int bits_per_sample;
+
+ switch(ctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_SUBTITLE:
+ case AVMEDIA_TYPE_ATTACHMENT:
+ bit_rate = ctx->bit_rate;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
+ bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
+ break;
+ default:
+ bit_rate = 0;
+ break;
+ }
+ return bit_rate;
+}
+
+size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
+{
+ int i, len, ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ len = snprintf(buf, buf_size,
+ isprint(codec_tag&0xFF) ? "%c" : "[%d]", codec_tag&0xFF);
+ buf += len;
+ buf_size = buf_size > len ? buf_size - len : 0;
+ ret += len;
+ codec_tag>>=8;
+ }
+ return ret;
+}
+
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
{
const char *codec_name;
AVCodec *p;
char buf1[32];
- char channels_str[100];
int bitrate;
AVRational display_aspect_ratio;
if (p) {
codec_name = p->name;
- if (!encode && enc->codec_id == CODEC_ID_MP3) {
- if (enc->sub_id == 2)
- codec_name = "mp2";
- else if (enc->sub_id == 1)
- codec_name = "mp1";
- }
} else if (enc->codec_id == CODEC_ID_MPEG2TS) {
/* fake mpeg2 transport stream codec (currently not
registered) */
codec_name = enc->codec_name;
} else {
/* output avi tags */
- if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
- && isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
- snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
- enc->codec_tag & 0xff,
- (enc->codec_tag >> 8) & 0xff,
- (enc->codec_tag >> 16) & 0xff,
- (enc->codec_tag >> 24) & 0xff,
- enc->codec_tag);
- } else {
- snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
- }
+ char tag_buf[32];
+ av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
+ snprintf(buf1, sizeof(buf1), "%s / 0x%04X", tag_buf, enc->codec_tag);
codec_name = buf1;
}
switch(enc->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
snprintf(buf, buf_size,
"Video: %s%s",
codec_name, enc->mb_decision ? " (hq)" : "");
display_aspect_ratio.num, display_aspect_ratio.den);
}
if(av_log_get_level() >= AV_LOG_DEBUG){
- int g= ff_gcd(enc->time_base.num, enc->time_base.den);
+ int g= av_gcd(enc->time_base.num, enc->time_base.den);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d/%d",
enc->time_base.num/g, enc->time_base.den/g);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", q=%d-%d", enc->qmin, enc->qmax);
}
- bitrate = enc->bit_rate;
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
snprintf(buf, buf_size,
"Audio: %s",
codec_name);
- switch (enc->channels) {
- case 1:
- strcpy(channels_str, "mono");
- break;
- case 2:
- strcpy(channels_str, "stereo");
- break;
- case 6:
- strcpy(channels_str, "5:1");
- break;
- default:
- snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels);
- break;
- }
if (enc->sample_rate) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d Hz, %s",
- enc->sample_rate,
- channels_str);
+ ", %d Hz", enc->sample_rate);
}
+ av_strlcat(buf, ", ", buf_size);
+ avcodec_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
if (enc->sample_fmt != SAMPLE_FMT_NONE) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %s", avcodec_get_sample_fmt_name(enc->sample_fmt));
}
-
- /* for PCM codecs, compute bitrate directly */
- switch(enc->codec_id) {
- case CODEC_ID_PCM_F64BE:
- case CODEC_ID_PCM_F64LE:
- bitrate = enc->sample_rate * enc->channels * 64;
- break;
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_U32LE:
- case CODEC_ID_PCM_U32BE:
- case CODEC_ID_PCM_F32BE:
- case CODEC_ID_PCM_F32LE:
- bitrate = enc->sample_rate * enc->channels * 32;
- break;
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_U24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_S24DAUD:
- bitrate = enc->sample_rate * enc->channels * 24;
- break;
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_S16LE_PLANAR:
- case CODEC_ID_PCM_U16LE:
- case CODEC_ID_PCM_U16BE:
- bitrate = enc->sample_rate * enc->channels * 16;
- break;
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
- case CODEC_ID_PCM_ALAW:
- case CODEC_ID_PCM_MULAW:
- case CODEC_ID_PCM_ZORK:
- bitrate = enc->sample_rate * enc->channels * 8;
- break;
- default:
- bitrate = enc->bit_rate;
- break;
- }
break;
- case CODEC_TYPE_DATA:
+ case AVMEDIA_TYPE_DATA:
snprintf(buf, buf_size, "Data: %s", codec_name);
- bitrate = enc->bit_rate;
break;
- case CODEC_TYPE_SUBTITLE:
+ case AVMEDIA_TYPE_SUBTITLE:
snprintf(buf, buf_size, "Subtitle: %s", codec_name);
- bitrate = enc->bit_rate;
break;
- case CODEC_TYPE_ATTACHMENT:
+ case AVMEDIA_TYPE_ATTACHMENT:
snprintf(buf, buf_size, "Attachment: %s", codec_name);
- bitrate = enc->bit_rate;
break;
default:
snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", pass 2");
}
+ bitrate = get_bit_rate(enc);
if (bitrate != 0) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d kb/s", bitrate / 1000);
return LIBAVCODEC_VERSION_INT;
}
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-unsigned avcodec_build( void )
+const char *avcodec_configuration(void)
{
- return LIBAVCODEC_BUILD;
+ return FFMPEG_CONFIGURATION;
+}
+
+const char *avcodec_license(void)
+{
+#define LICENSE_PREFIX "libavcodec license: "
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-#endif
void avcodec_init(void)
{
if(s->internal_buffer==NULL) return;
+ if (s->internal_buffer_count)
+ av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n", s->internal_buffer_count);
for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
for(j=0; j<4; j++){
return 3;
case CODEC_ID_ADPCM_SBPRO_4:
case CODEC_ID_ADPCM_CT:
+ case CODEC_ID_ADPCM_IMA_WAV:
+ case CODEC_ID_ADPCM_MS:
+ case CODEC_ID_ADPCM_YAMAHA:
return 4;
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW:
return 8;
case SAMPLE_FMT_S16:
return 16;
- case SAMPLE_FMT_S24:
- return 24;
case SAMPLE_FMT_S32:
case SAMPLE_FMT_FLT:
return 32;
}
}
-#if !defined(HAVE_THREADS)
+#if !HAVE_THREADS
int avcodec_thread_init(AVCodecContext *s, int thread_count){
+ s->thread_count = thread_count;
return -1;
}
#endif
return n;
}
-/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
- * Also, tries to create file in /tmp first, if possible.
- * *prefix can be a character constant; *filename will be allocated internally.
- * Returns file descriptor of opened file (or -1 on error)
- * and opened file name in **filename. */
-int av_tempfile(char *prefix, char **filename) {
- int fd=-1;
-#if !defined(HAVE_MKSTEMP)
- *filename = tempnam(".", prefix);
-#else
- size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
- *filename = av_malloc(len);
-#endif
- /* -----common section-----*/
- if (*filename == NULL) {
- av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
- return -1;
- }
-#if !defined(HAVE_MKSTEMP)
- fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
-#else
- snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
- fd = mkstemp(*filename);
- if (fd < 0) {
- snprintf(*filename, len, "./%sXXXXXX", prefix);
- fd = mkstemp(*filename);
- }
-#endif
- /* -----common section-----*/
- if (fd < 0) {
- av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
- return -1;
- }
- return fd; /* success */
-}
-
-typedef struct {
- const char *abbr;
- int width, height;
-} VideoFrameSizeAbbr;
-
-typedef struct {
- const char *abbr;
- int rate_num, rate_den;
-} VideoFrameRateAbbr;
-
-static const VideoFrameSizeAbbr video_frame_size_abbrs[] = {
- { "ntsc", 720, 480 },
- { "pal", 720, 576 },
- { "qntsc", 352, 240 }, /* VCD compliant NTSC */
- { "qpal", 352, 288 }, /* VCD compliant PAL */
- { "sntsc", 640, 480 }, /* square pixel NTSC */
- { "spal", 768, 576 }, /* square pixel PAL */
- { "film", 352, 240 },
- { "ntsc-film", 352, 240 },
- { "sqcif", 128, 96 },
- { "qcif", 176, 144 },
- { "cif", 352, 288 },
- { "4cif", 704, 576 },
- { "qqvga", 160, 120 },
- { "qvga", 320, 240 },
- { "vga", 640, 480 },
- { "svga", 800, 600 },
- { "xga", 1024, 768 },
- { "uxga", 1600,1200 },
- { "qxga", 2048,1536 },
- { "sxga", 1280,1024 },
- { "qsxga", 2560,2048 },
- { "hsxga", 5120,4096 },
- { "wvga", 852, 480 },
- { "wxga", 1366, 768 },
- { "wsxga", 1600,1024 },
- { "wuxga", 1920,1200 },
- { "woxga", 2560,1600 },
- { "wqsxga", 3200,2048 },
- { "wquxga", 3840,2400 },
- { "whsxga", 6400,4096 },
- { "whuxga", 7680,4800 },
- { "cga", 320, 200 },
- { "ega", 640, 350 },
- { "hd480", 852, 480 },
- { "hd720", 1280, 720 },
- { "hd1080", 1920,1080 },
-};
-
-static const VideoFrameRateAbbr video_frame_rate_abbrs[]= {
- { "ntsc", 30000, 1001 },
- { "pal", 25, 1 },
- { "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
- { "qpal", 25, 1 }, /* VCD compliant PAL */
- { "sntsc", 30000, 1001 }, /* square pixel NTSC */
- { "spal", 25, 1 }, /* square pixel PAL */
- { "film", 24, 1 },
- { "ntsc-film", 24000, 1001 },
-};
+#if LIBAVCODEC_VERSION_MAJOR < 53
+#include "libavcore/parseutils.h"
int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
{
- int i;
- int n = sizeof(video_frame_size_abbrs) / sizeof(VideoFrameSizeAbbr);
- const char *p;
- int frame_width = 0, frame_height = 0;
-
- for(i=0;i<n;i++) {
- if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
- frame_width = video_frame_size_abbrs[i].width;
- frame_height = video_frame_size_abbrs[i].height;
- break;
- }
- }
- if (i == n) {
- p = str;
- frame_width = strtol(p, (char **)&p, 10);
- if (*p)
- p++;
- frame_height = strtol(p, (char **)&p, 10);
- }
- if (frame_width <= 0 || frame_height <= 0)
- return -1;
- *width_ptr = frame_width;
- *height_ptr = frame_height;
- return 0;
+ return av_parse_video_size(width_ptr, height_ptr, str);
}
int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
{
+ return av_parse_video_rate(frame_rate, arg);
+}
+#endif
+
+int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){
int i;
- int n = sizeof(video_frame_rate_abbrs) / sizeof(VideoFrameRateAbbr);
- char* cp;
-
- /* First, we check our abbreviation table */
- for (i = 0; i < n; ++i)
- if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
- frame_rate->num = video_frame_rate_abbrs[i].rate_num;
- frame_rate->den = video_frame_rate_abbrs[i].rate_den;
- return 0;
- }
-
- /* Then, we try to parse it as fraction */
- cp = strchr(arg, '/');
- if (!cp)
- cp = strchr(arg, ':');
- if (cp) {
- char* cpp;
- frame_rate->num = strtol(arg, &cpp, 10);
- if (cpp != arg || cpp == cp)
- frame_rate->den = strtol(cp+1, &cpp, 10);
- else
- frame_rate->num = 0;
- }
- else {
- /* Finally we give up and parse it as double */
- AVRational time_base = av_d2q(strtod(arg, 0), DEFAULT_FRAME_RATE_BASE);
- frame_rate->den = time_base.den;
- frame_rate->num = time_base.num;
- }
- if (!frame_rate->num || !frame_rate->den)
- return -1;
- else
- return 0;
+ for(i=0; i<size && !(tab[i][0]==a && tab[i][1]==b); i++);
+ return i;
}
void av_log_missing_feature(void *avc, const char *feature, int want_sample)
"occurs, it means that your file has a feature which has not "
"been implemented.", feature);
if(want_sample)
- av_log(avc, AV_LOG_WARNING, " If you want to help, upload a sample "
- "of this file to ftp://upload.mplayerhq.hu/MPlayer/incoming/ "
- "and contact the FFmpeg-devel mailing list.");
- av_log(avc, AV_LOG_WARNING, "\n");
+ av_log_ask_for_sample(avc, NULL);
+ else
+ av_log(avc, AV_LOG_WARNING, "\n");
+}
+
+void av_log_ask_for_sample(void *avc, const char *msg)
+{
+ if (msg)
+ av_log(avc, AV_LOG_WARNING, "%s ", msg);
+ av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
+ "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
+ "and contact the ffmpeg-devel mailing list.\n");
+}
+
+static AVHWAccel *first_hwaccel = NULL;
+
+void av_register_hwaccel(AVHWAccel *hwaccel)
+{
+ AVHWAccel **p = &first_hwaccel;
+ while (*p)
+ p = &(*p)->next;
+ *p = hwaccel;
+ hwaccel->next = NULL;
+}
+
+AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
+{
+ return hwaccel ? hwaccel->next : first_hwaccel;
+}
+
+AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt)
+{
+ AVHWAccel *hwaccel=NULL;
+
+ while((hwaccel= av_hwaccel_next(hwaccel))){
+ if ( hwaccel->id == codec_id
+ && hwaccel->pix_fmt == pix_fmt)
+ return hwaccel;
+ }
+ return NULL;
+}
+
+int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
+{
+ if (ff_lockmgr_cb) {
+ if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
+ return -1;
+ }
+
+ ff_lockmgr_cb = cb;
+
+ if (ff_lockmgr_cb) {
+ if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
+ return -1;
+ }
+ return 0;
+}
+
+unsigned int ff_toupper4(unsigned int x)
+{
+ return toupper( x &0xFF)
+ + (toupper((x>>8 )&0xFF)<<8 )
+ + (toupper((x>>16)&0xFF)<<16)
+ + (toupper((x>>24)&0xFF)<<24);
}
projects / ffmpeg / blobdiff