/*
* utils for libavcodec
* Copyright (c) 2001 Fabrice Bellard.
- * Copyright (c) 2003 Michel Bardiaux for the av_log API
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This library is free software; you can redistribute it and/or
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
+
/**
* @file utils.c
* utils.
*/
-
+
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "integer.h"
+#include "opt.h"
+#include "crc.h"
#include <stdarg.h>
#include <limits.h>
+#include <float.h>
+#ifdef __MINGW32__
+#include <fcntl.h>
+#endif
-static void avcodec_default_free_buffers(AVCodecContext *s);
-
-void *av_mallocz(unsigned int size)
-{
- void *ptr;
-
- ptr = av_malloc(size);
- if (!ptr)
- return NULL;
- memset(ptr, 0, size);
- return ptr;
-}
-
-char *av_strdup(const char *s)
-{
- char *ptr;
- int len;
- len = strlen(s) + 1;
- ptr = av_malloc(len);
- if (!ptr)
- return NULL;
- memcpy(ptr, s, len);
- return ptr;
-}
+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;
/**
* realloc which does nothing if the block is large enough
*/
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
{
- if(min_size < *size)
+ if(min_size < *size)
return ptr;
-
- *size= 17*min_size/16 + 32;
+
+ *size= FFMAX(17*min_size/16 + 32, min_size);
return av_realloc(ptr, *size);
}
-
static unsigned int last_static = 0;
static unsigned int allocated_static = 0;
static void** array_static = NULL;
{
void *ptr = av_mallocz(size);
- if(ptr){
+ if(ptr){
array_static =av_fast_realloc(array_static, &allocated_static, sizeof(void*)*(last_static+1));
+ if(!array_static)
+ return NULL;
array_static[last_static++] = ptr;
}
return ptr;
}
+/**
+ * same as above, but does realloc
+ */
+
+void *av_realloc_static(void *ptr, unsigned int size)
+{
+ int i;
+ if(!ptr)
+ return av_mallocz_static(size);
+ /* Look for the old ptr */
+ for(i = 0; i < last_static; i++) {
+ if(array_static[i] == ptr) {
+ array_static[i] = av_realloc(array_static[i], size);
+ return array_static[i];
+ }
+ }
+ return NULL;
+
+}
+
/**
* free all static arrays and reset pointers to 0.
*/
}
/**
- * Frees memory and sets the pointer to NULL.
- * @param arg pointer to the pointer which should be freed
+ * Call av_free_static automatically before it's too late
*/
-void av_freep(void *arg)
+
+static void do_free(void) __attribute__ ((destructor));
+
+static void do_free(void)
{
- void **ptr= (void**)arg;
- av_free(*ptr);
- *ptr = NULL;
+ av_free_static();
}
+
/* encoder management */
-AVCodec *first_avcodec;
+AVCodec *first_avcodec = NULL;
void register_avcodec(AVCodec *format)
{
format->next = NULL;
}
+void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
+ s->coded_width = width;
+ s->coded_height= height;
+ s->width = -((-width )>>s->lowres);
+ s->height= -((-height)>>s->lowres);
+}
+
typedef struct InternalBuffer{
int last_pic_num;
uint8_t *base[4];
#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
- int w_align= 1;
- int h_align= 1;
-
+ int w_align= 1;
+ int h_align= 1;
+
switch(s->pix_fmt){
case PIX_FMT_YUV420P:
case PIX_FMT_YUV422:
+ case PIX_FMT_UYVY422:
case PIX_FMT_YUV422P:
case PIX_FMT_YUV444P:
case PIX_FMT_GRAY8:
h_align= 16;
break;
case PIX_FMT_YUV411P:
+ case PIX_FMT_UYVY411:
w_align=32;
h_align=8;
break;
w_align=64;
h_align=64;
}
+ case PIX_FMT_RGB555:
+ if(s->codec_id == CODEC_ID_RPZA){
+ w_align=4;
+ h_align=4;
+ }
+ case PIX_FMT_PAL8:
+ if(s->codec_id == CODEC_ID_SMC){
+ w_align=4;
+ h_align=4;
+ }
+ break;
+ case PIX_FMT_BGR24:
+ if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
+ w_align=4;
+ h_align=4;
+ }
break;
default:
w_align= 1;
*height= ALIGN(*height, h_align);
}
+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;
+
+ av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
+ return -1;
+}
+
int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
int i;
int w= s->width;
int h= s->height;
InternalBuffer *buf;
int *picture_number;
-
+
assert(pic->data[0]==NULL);
assert(INTERNAL_BUFFER_SIZE > s->internal_buffer_count);
+ if(avcodec_check_dimensions(s,w,h))
+ return -1;
+
if(s->internal_buffer==NULL){
s->internal_buffer= av_mallocz(INTERNAL_BUFFER_SIZE*sizeof(InternalBuffer));
}
#if 0
s->internal_buffer= av_fast_realloc(
- s->internal_buffer,
- &s->internal_buffer_size,
+ s->internal_buffer,
+ &s->internal_buffer_size,
sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
);
#endif
-
+
buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack
(*picture_number)++;
-
+
if(buf->base[0]){
pic->age= *picture_number - buf->last_pic_num;
buf->last_pic_num= *picture_number;
}else{
int h_chroma_shift, v_chroma_shift;
- int s_align, pixel_size;
-
+ int pixel_size, size[3];
+ AVPicture picture;
+
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
-
- switch(s->pix_fmt){
- case PIX_FMT_RGB555:
- case PIX_FMT_RGB565:
- case PIX_FMT_YUV422:
- pixel_size=2;
- break;
- case PIX_FMT_RGB24:
- case PIX_FMT_BGR24:
- pixel_size=3;
- break;
- case PIX_FMT_RGBA32:
- pixel_size=4;
- break;
- default:
- pixel_size=1;
- }
avcodec_align_dimensions(s, &w, &h);
-#if defined(ARCH_POWERPC) || defined(HAVE_MMI) //FIXME some cleaner check
- s_align= 16;
-#else
- s_align= 8;
-#endif
-
+
if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
w+= EDGE_WIDTH*2;
h+= EDGE_WIDTH*2;
}
-
+ avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
+ pixel_size= picture.linesize[0]*8 / w;
+//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
+ assert(pixel_size>=1);
+ //FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
+ if(pixel_size == 3*8)
+ w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift);
+ else
+ w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
+ size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
+ size[0] = picture.linesize[0] * h;
+ size[1] -= size[0];
+ if(picture.data[2])
+ size[1]= size[2]= size[1]/2;
+ else
+ size[2]= 0;
+
buf->last_pic_num= -256*256*256*64;
+ memset(buf->base, 0, sizeof(buf->base));
+ memset(buf->data, 0, sizeof(buf->data));
- for(i=0; i<3; i++){
+ for(i=0; i<3 && size[i]; i++){
const int h_shift= i==0 ? 0 : h_chroma_shift;
const int v_shift= i==0 ? 0 : v_chroma_shift;
- //FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
- buf->linesize[i]= ALIGN(pixel_size*w>>h_shift, s_align<<(h_chroma_shift-h_shift));
+ buf->linesize[i]= picture.linesize[i];
- buf->base[i]= av_mallocz((buf->linesize[i]*h>>v_shift)+16); //FIXME 16
+ buf->base[i]= av_malloc(size[i]+16); //FIXME 16
if(buf->base[i]==NULL) return -1;
- memset(buf->base[i], 128, buf->linesize[i]*h>>v_shift);
-
- if(s->flags&CODEC_FLAG_EMU_EDGE)
+ 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])
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), s_align);
+ buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
}
pic->age= 256*256*256*64;
}
AVCodecContext *avc= ptr;
if(avc && avc->codec && avc->codec->name)
- return avc->codec->name;
+ return avc->codec->name;
else
return "NULL";
}
-static AVClass av_codec_context_class = { "AVCodecContext", context_to_name };
+#define OFFSET(x) offsetof(AVCodecContext,x)
+#define DEFAULT 0 //should be NAN but it doesnt work as its 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 video bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|A|E},
+{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE*20, INT_MIN, INT_MAX, V|E},
+{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_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, "flags"},
+{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
+{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
+{"global_header", "place global headers in extradata instead of every keyframe", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GLOBAL_HEADER, INT_MIN, INT_MAX, 0, "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"},
+{"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", NULL, 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, 1, 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_MIN, FLT_MAX, V|E},
+{"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, 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_MIN, FLT_MAX, V|E},
+{"rc_strategy", NULL, OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"b_strategy", NULL, 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},
+{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"rtp_payload_size", NULL, OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_OLD_MSMPEG4, INT_MIN, INT_MAX, V|D, "bug"},
+{"xvid_ilace", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_XVID_ILACE, INT_MIN, INT_MAX, V|D, "bug"},
+{"ump4", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
+{"no_padding", NULL, 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", NULL, 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", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DIRECT_BLOCKSIZE, INT_MIN, INT_MAX, V|D, "bug"},
+{"edge", NULL, 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", NULL, 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, V|E, "strict"},
+{"very", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
+{"strict", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
+{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
+{"inofficial", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
+{"experimental", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
+{"b_qoffset", "qp offset between p and b frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, 1.25, FLT_MIN, FLT_MAX, V|E},
+{"er", NULL, OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, 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", NULL, 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", NULL, OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
+{"rc_qmod_freq", NULL, 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, V|E},
+{"rc_buf_aggressivity", NULL, OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, FLT_MIN, 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", NULL, OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
+{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
+{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
+{"int", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
+{"lumi_mask", "lumimasking", 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", "darkness masking", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
+{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"idct", NULL, 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"},
+{"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"},
+{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"ec", NULL, OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
+{"guess_mvs", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
+{"deblock", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
+{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
+{"rc", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
+{"qp", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
+{"mv", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
+{"mmco", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_QP, INT_MIN, INT_MAX, V|D, "debug"},
+{"vis_mb_type", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
+{"vismv", "visualize motion vectors", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
+{"pf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_P_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
+{"bf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
+{"bb", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_BACK, INT_MIN, INT_MAX, V|D, "debug_mv"},
+{"mb_qmin", NULL, OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"mb_qmax", NULL, 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", NULL, OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"last_pred", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"sse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"satd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"dct", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"psnr", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_PSNR, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"bit", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"rd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"zero", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"vsad", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"vsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"nsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
+#ifdef CONFIG_SNOW_ENCODER
+{"w53", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"w97", NULL, 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", NULL, 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"},
+{"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", NULL, OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
+{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
+{"bits", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
+{"rd", NULL, 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", NULL, 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, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
+{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"antialias", NULL, 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", NULL, OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
+{"skip_bottom", NULL, 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"},
+{"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", NULL, 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", NULL, OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
+{"mblmin", "min macroblock quantizer scale (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 2, 1, FF_LAMBDA_MAX, V|E},
+{"mblmax", "max macroblock quantizer scale (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},
+{"bidir_refine", NULL, OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
+{"brd_scale", NULL, OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
+{"crf", NULL, OFFSET(crf), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"cqp", NULL, OFFSET(cqp), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, V|E},
+{"keyint_min", NULL, OFFSET(keyint_min), FF_OPT_TYPE_INT, 25, INT_MIN, INT_MAX, V|E},
+{"refs", NULL, OFFSET(refs), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E},
+{"chromaoffset", NULL, OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"bframebias", NULL, OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"trellis", NULL, OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
+{"directpred", NULL, OFFSET(directpred), FF_OPT_TYPE_INT, 2, INT_MIN, INT_MAX, V|E},
+{"bpyramid", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BPYRAMID, INT_MIN, INT_MAX, V|E, "flags2"},
+{"wpred", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
+{"mixed_refs", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_MIXED_REFS, INT_MIN, INT_MAX, V|E, "flags2"},
+{"8x8dct", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
+{"fastpskip", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
+{"aud", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
+{"brdo", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
+{"complexityblur", NULL, OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, 20.0, FLT_MIN, FLT_MAX, V|E},
+{"deblockalpha", NULL, OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"deblockbeta", NULL, OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"partitions", NULL, 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", NULL, 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", NULL, 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", NULL, OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
+{"lpc_coeff_precision", NULL, 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", NULL, 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},
+{NULL},
+};
+
+#undef A
+#undef V
+#undef S
+#undef E
+#undef D
+#undef DEFAULT
+
+static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
void avcodec_get_context_defaults(AVCodecContext *s){
memset(s, 0, sizeof(AVCodecContext));
s->av_class= &av_codec_context_class;
- s->bit_rate= 800*1000;
- s->bit_rate_tolerance= s->bit_rate*10;
- s->qmin= 2;
- s->qmax= 31;
- s->mb_qmin= 2;
- s->mb_qmax= 31;
+
+ av_opt_set_defaults(s);
+
s->rc_eq= "tex^qComp";
- s->qcompress= 0.5;
- s->max_qdiff= 3;
- s->b_quant_factor=1.25;
- s->b_quant_offset=1.25;
- s->i_quant_factor=-0.8;
- s->i_quant_offset=0.0;
- s->error_concealment= 3;
- s->error_resilience= 1;
- s->workaround_bugs= FF_BUG_AUTODETECT;
- s->frame_rate_base= 1;
- s->frame_rate = 25;
- s->gop_size= 50;
- s->me_method= ME_EPZS;
+ 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->thread_count=1;
- s->me_subpel_quality=8;
- s->lmin= FF_QP2LAMBDA * s->qmin;
- s->lmax= FF_QP2LAMBDA * s->qmax;
s->sample_aspect_ratio= (AVRational){0,1};
- s->ildct_cmp= FF_CMP_VSAD;
-
- s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
- s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
+ 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;
}
/**
* allocates a AVCodecContext and set it to defaults.
- * this can be deallocated by simply calling free()
+ * this can be deallocated by simply calling free()
*/
AVCodecContext *avcodec_alloc_context(void){
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
-
+
if(avctx==NULL) return NULL;
-
+
avcodec_get_context_defaults(avctx);
-
+
return avctx;
}
memset(pic, 0, sizeof(AVFrame));
pic->pts= AV_NOPTS_VALUE;
+ pic->key_frame= 1;
}
/**
* allocates a AVPFrame and set it to defaults.
- * this can be deallocated by simply calling free()
+ * this can be deallocated by simply calling free()
*/
AVFrame *avcodec_alloc_frame(void){
AVFrame *pic= av_malloc(sizeof(AVFrame));
-
+
if(pic==NULL) return NULL;
-
+
avcodec_get_frame_defaults(pic);
-
+
return pic;
}
int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
{
- int ret;
+ int ret= -1;
+
+ entangled_thread_counter++;
+ if(entangled_thread_counter != 1){
+ av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
+ goto end;
+ }
if(avctx->codec)
- return -1;
+ goto end;
- avctx->codec = codec;
- avctx->codec_id = codec->id;
- avctx->frame_number = 0;
if (codec->priv_data_size > 0) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
- if (!avctx->priv_data)
- return -ENOMEM;
+ if (!avctx->priv_data)
+ goto end;
} else {
avctx->priv_data = NULL;
}
+
+ if(avctx->coded_width && avctx->coded_height)
+ avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
+ 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);
+ goto end;
+ }
+
+ avctx->codec = codec;
+ avctx->codec_id = codec->id;
+ avctx->frame_number = 0;
ret = avctx->codec->init(avctx);
if (ret < 0) {
av_freep(&avctx->priv_data);
- return ret;
+ avctx->codec= NULL;
+ goto end;
}
- return 0;
+ ret=0;
+end:
+ entangled_thread_counter--;
+ return ret;
}
-int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const short *samples)
{
- int ret;
-
- ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
- avctx->frame_number++;
- return ret;
+ if(buf_size < FF_MIN_BUFFER_SIZE && 0){
+ av_log(avctx, AV_LOG_ERROR, "buffer smaller then minimum size\n");
+ return -1;
+ }
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
+ int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
+ avctx->frame_number++;
+ return ret;
+ }else
+ return 0;
}
-int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict)
{
- int ret;
+ if(buf_size < FF_MIN_BUFFER_SIZE){
+ av_log(avctx, AV_LOG_ERROR, "buffer smaller then minimum size\n");
+ return -1;
+ }
+ if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
+ return -1;
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
+ int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
+ avctx->frame_number++;
+ emms_c(); //needed to avoid an emms_c() call before every return;
- ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
-
- emms_c(); //needed to avoid a emms_c() call before every return;
+ return ret;
+ }else
+ return 0;
+}
+int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+ const AVSubtitle *sub)
+{
+ int ret;
+ ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
avctx->frame_number++;
return ret;
}
-/**
- * decode a frame.
+/**
+ * decode a frame.
* @param buf bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE larger then the actual read bytes
* because some optimized bitstream readers read 32 or 64 bit at once and could read over the end
* @param buf_size the size of the buffer in bytes
* @param got_picture_ptr zero if no frame could be decompressed, Otherwise, it is non zero
* @return -1 if error, otherwise return the number of
- * bytes used.
+ * bytes used.
*/
-int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
+int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
uint8_t *buf, int buf_size)
{
int ret;
-
- ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- buf, buf_size);
- emms_c(); //needed to avoid a emms_c() call before every return;
-
- if (*got_picture_ptr)
- avctx->frame_number++;
+ *got_picture_ptr= 0;
+ if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
+ return -1;
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
+ ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
+ buf, buf_size);
+
+ emms_c(); //needed to avoid an emms_c() call before every return;
+
+ if (*got_picture_ptr)
+ avctx->frame_number++;
+ }else
+ ret= 0;
+
return ret;
}
*number of bytes used. If no frame could be decompressed,
*frame_size_ptr is zero. Otherwise, it is the decompressed frame
*size in BYTES. */
-int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
+int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
uint8_t *buf, int buf_size)
{
int ret;
- ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
- buf, buf_size);
- avctx->frame_number++;
+ *frame_size_ptr= 0;
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
+ ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
+ buf, buf_size);
+ avctx->frame_number++;
+ }else
+ ret= 0;
+ return ret;
+}
+
+/* decode a subtitle message. return -1 if error, otherwise return the
+ *number of bytes used. If no subtitle could be decompressed,
+ *got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
+int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
+ int *got_sub_ptr,
+ const uint8_t *buf, int buf_size)
+{
+ int ret;
+
+ *got_sub_ptr = 0;
+ ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
+ (uint8_t *)buf, buf_size);
+ if (*got_sub_ptr)
+ avctx->frame_number++;
return ret;
}
int avcodec_close(AVCodecContext *avctx)
{
+ entangled_thread_counter++;
+ if(entangled_thread_counter != 1){
+ av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
+ entangled_thread_counter--;
+ return -1;
+ }
+
if (avctx->codec->close)
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
av_freep(&avctx->priv_data);
avctx->codec = NULL;
+ entangled_thread_counter--;
return 0;
}
return NULL;
}
-AVCodec *avcodec_find(enum CodecID id)
-{
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (p->id == id)
- return p;
- p = p->next;
- }
- return NULL;
-}
-
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
{
const char *codec_name;
codec_name = enc->codec_name;
} else {
/* output avi tags */
- if (enc->codec_type == CODEC_TYPE_VIDEO) {
- snprintf(buf1, sizeof(buf1), "%c%c%c%c",
+ 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 >> 24) & 0xff,
+ enc->codec_tag);
} else {
snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
}
snprintf(buf, buf_size,
"Video: %s%s",
codec_name, enc->mb_decision ? " (hq)" : "");
- if (enc->codec_id == CODEC_ID_RAWVIDEO) {
+ if (enc->pix_fmt != PIX_FMT_NONE) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %s",
avcodec_get_pix_fmt_name(enc->pix_fmt));
}
if (enc->width) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %dx%d, %0.2f fps",
- enc->width, enc->height,
- (float)enc->frame_rate / enc->frame_rate_base);
+ ", %dx%d",
+ enc->width, enc->height);
+ if(av_log_get_level() >= AV_LOG_DEBUG){
+ int g= ff_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);
+ }
}
if (encode) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
strcpy(channels_str, "5:1");
break;
default:
- sprintf(channels_str, "%d channels", enc->channels);
+ snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels);
break;
}
if (enc->sample_rate) {
enc->sample_rate,
channels_str);
}
-
+
/* for PCM codecs, compute bitrate directly */
switch(enc->codec_id) {
+ case CODEC_ID_PCM_S32LE:
+ case CODEC_ID_PCM_S32BE:
+ case CODEC_ID_PCM_U32LE:
+ case CODEC_ID_PCM_U32BE:
+ 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_U16LE:
snprintf(buf, buf_size, "Data: %s", codec_name);
bitrate = enc->bit_rate;
break;
+ case CODEC_TYPE_SUBTITLE:
+ snprintf(buf, buf_size, "Subtitle: %s", codec_name);
+ bitrate = enc->bit_rate;
+ break;
default:
- av_abort();
+ snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
+ return;
}
if (encode) {
if (enc->flags & CODEC_FLAG_PASS1)
", pass 2");
}
if (bitrate != 0) {
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d kb/s", bitrate / 1000);
}
}
return LIBAVCODEC_BUILD;
}
+static void init_crcs(void){
+ av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257);
+ av_crc8005 = av_mallocz_static(sizeof(AVCRC) * 257);
+ av_crc07 = av_mallocz_static(sizeof(AVCRC) * 257);
+ av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257);
+ av_crc_init(av_crc8005 , 0, 16, 0x8005 , sizeof(AVCRC)*257);
+ av_crc_init(av_crc07 , 0, 8, 0x07 , sizeof(AVCRC)*257);
+}
+
/* must be called before any other functions */
void avcodec_init(void)
{
static int inited = 0;
if (inited != 0)
- return;
+ return;
inited = 1;
dsputil_static_init();
+ init_crcs();
}
/**
avctx->codec->flush(avctx);
}
-static void avcodec_default_free_buffers(AVCodecContext *s){
+void avcodec_default_free_buffers(AVCodecContext *s){
int i, j;
if(s->internal_buffer==NULL) return;
-
+
for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
for(j=0; j<4; j++){
}
}
av_freep(&s->internal_buffer);
-
+
s->internal_buffer_count=0;
}
char av_get_pict_type_char(int pict_type){
switch(pict_type){
- case I_TYPE: return 'I';
- case P_TYPE: return 'P';
- case B_TYPE: return 'B';
- case S_TYPE: return 'S';
- case SI_TYPE:return 'i';
- case SP_TYPE:return 'p';
+ case I_TYPE: return 'I';
+ case P_TYPE: return 'P';
+ case B_TYPE: return 'B';
+ case S_TYPE: return 'S';
+ case SI_TYPE:return 'i';
+ case SP_TYPE:return 'p';
default: return '?';
}
}
-int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max){
- int exact=1, sign=0;
- int64_t gcd;
-
- assert(den != 0);
-
- if(den < 0)
- return av_reduce(dst_nom, dst_den, -nom, -den, max);
-
- sign= nom < 0;
- nom= ABS(nom);
-
- gcd = ff_gcd(nom, den);
- nom /= gcd;
- den /= gcd;
-
- if(nom > max || den > max){
- AVRational a0={0,1}, a1={1,0};
- exact=0;
-
- for(;;){
- int64_t x= nom / den;
- int64_t a2n= x*a1.num + a0.num;
- int64_t a2d= x*a1.den + a0.den;
-
- if(a2n > max || a2d > max) break;
-
- nom %= den;
-
- a0= a1;
- a1= (AVRational){a2n, a2d};
- if(nom==0) break;
- x= nom; nom=den; den=x;
- }
- nom= a1.num;
- den= a1.den;
- }
-
- assert(ff_gcd(nom, den) == 1);
-
- *dst_nom = sign ? -nom : nom;
- *dst_den = den;
-
- return exact;
-}
-
-int64_t av_rescale(int64_t a, int64_t b, int64_t c){
- AVInteger ai, ci;
- assert(c > 0);
- assert(b >=0);
-
- if(a<0) return -av_rescale(-a, b, c);
-
- if(b<=INT_MAX && c<=INT_MAX){
- if(a<=INT_MAX)
- return (a * b + c/2)/c;
- else
- return a/c*b + (a%c*b + c/2)/c;
- }
-
- ai= av_mul_i(av_int2i(a), av_int2i(b));
- ci= av_int2i(c);
- ai= av_add_i(ai, av_shr_i(ci,1));
-
- return av_i2int(av_div_i(ai, ci));
-}
-
-/* av_log API */
-
-static int av_log_level = AV_LOG_DEBUG;
-
-static void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
-{
- static int print_prefix=1;
- AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
- if(level>av_log_level)
- return;
-#undef fprintf
- if(print_prefix && avc) {
- fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc);
+int av_get_bits_per_sample(enum CodecID codec_id){
+ switch(codec_id){
+ case CODEC_ID_ADPCM_SBPRO_2:
+ return 2;
+ case CODEC_ID_ADPCM_SBPRO_3:
+ return 3;
+ case CODEC_ID_ADPCM_SBPRO_4:
+ case CODEC_ID_ADPCM_CT:
+ return 4;
+ case CODEC_ID_PCM_ALAW:
+ case CODEC_ID_PCM_MULAW:
+ case CODEC_ID_PCM_S8:
+ case CODEC_ID_PCM_U8:
+ return 8;
+ case CODEC_ID_PCM_S16BE:
+ case CODEC_ID_PCM_S16LE:
+ case CODEC_ID_PCM_U16BE:
+ case CODEC_ID_PCM_U16LE:
+ return 16;
+ case CODEC_ID_PCM_S24DAUD:
+ case CODEC_ID_PCM_S24BE:
+ case CODEC_ID_PCM_S24LE:
+ case CODEC_ID_PCM_U24BE:
+ case CODEC_ID_PCM_U24LE:
+ return 24;
+ case CODEC_ID_PCM_S32BE:
+ case CODEC_ID_PCM_S32LE:
+ case CODEC_ID_PCM_U32BE:
+ case CODEC_ID_PCM_U32LE:
+ return 32;
+ default:
+ return 0;
}
-#define fprintf please_use_av_log
-
- print_prefix= strstr(fmt, "\n") != NULL;
-
- vfprintf(stderr, fmt, vl);
-}
-
-static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
-
-void av_log(void* avcl, int level, const char *fmt, ...)
-{
- va_list vl;
- va_start(vl, fmt);
- av_vlog(avcl, level, fmt, vl);
- va_end(vl);
}
-void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
-{
- av_log_callback(avcl, level, fmt, vl);
+#if !defined(HAVE_THREADS)
+int avcodec_thread_init(AVCodecContext *s, int thread_count){
+ return -1;
}
+#endif
-int av_log_get_level(void)
+unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
{
- return av_log_level;
-}
+ unsigned int n = 0;
-void av_log_set_level(int level)
-{
- av_log_level = level;
+ while(v >= 0xff) {
+ *s++ = 0xff;
+ v -= 0xff;
+ n++;
+ }
+ *s = v;
+ n++;
+ return n;
}
-void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
-{
- av_log_callback = callback;
+/* 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;
+#ifdef __MINGW32__
+ *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;
+ }
+#ifdef __MINGW32__
+ 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 */
}
-