/*
* 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
* modify it under the terms of the GNU Lesser General Public
*
* 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 <stdarg.h>
+#include <limits.h>
+#include <float.h>
+
+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;
+
+void avcodec_default_free_buffers(AVCodecContext *s);
void *av_mallocz(unsigned int size)
{
void *ptr;
-
+
ptr = av_malloc(size);
if (!ptr)
return NULL;
*/
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
{
- if(min_size < *size)
+ if(min_size < *size)
return ptr;
-
- *size= min_size + 10*1024;
+
+ *size= FFMAX(17*min_size/16 + 32, min_size);
return av_realloc(ptr, *size);
}
-/* allocation of static arrays - do not use for normal allocation */
static unsigned int last_static = 0;
-static char*** array_static = NULL;
-static const unsigned int grow_static = 64; // ^2
-void *__av_mallocz_static(void** location, unsigned int size)
+static unsigned int allocated_static = 0;
+static void** array_static = NULL;
+
+/**
+ * allocation of static arrays - do not use for normal allocation.
+ */
+void *av_mallocz_static(unsigned int size)
{
- unsigned int l = (last_static + grow_static) & ~(grow_static - 1);
void *ptr = av_mallocz(size);
- if (!ptr)
- return NULL;
-
- if (location)
- {
- if (l > last_static)
- array_static = av_realloc(array_static, l);
- array_static[last_static++] = (char**) location;
- *location = 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;
}
-/* free all static arrays and reset pointers to 0 */
+
+/**
+ * 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.
+ */
void av_free_static(void)
{
- if (array_static)
- {
- unsigned i;
- for (i = 0; i < last_static; i++)
- {
- av_free(*array_static[i]);
- *array_static[i] = NULL;
- }
- av_free(array_static);
- array_static = 0;
+ while(last_static){
+ av_freep(&array_static[--last_static]);
}
- last_static = 0;
+ av_freep(&array_static);
+}
+
+/**
+ * Call av_free_static automatically before it's too late
+ */
+
+static void do_free() __attribute__ ((destructor));
+
+static void do_free()
+{
+ av_free_static();
}
-/* cannot call it directly because of 'void **' casting is not automatic */
-void __av_freep(void **ptr)
+/**
+ * Frees memory and sets the pointer to NULL.
+ * @param arg pointer to the pointer which should be freed
+ */
+void av_freep(void *arg)
{
+ void **ptr= (void**)arg;
av_free(*ptr);
*ptr = NULL;
}
/* 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];
uint8_t *data[4];
+ int linesize[4];
}InternalBuffer;
#define INTERNAL_BUFFER_SIZE 32
+#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;
+
+ 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:
+ case PIX_FMT_YUVJ420P:
+ case PIX_FMT_YUVJ422P:
+ case PIX_FMT_YUVJ444P:
+ w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
+ h_align= 16;
+ break;
+ case PIX_FMT_YUV411P:
+ case PIX_FMT_UYVY411:
+ w_align=32;
+ h_align=8;
+ break;
+ case PIX_FMT_YUV410P:
+ if(s->codec_id == CODEC_ID_SVQ1){
+ 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;
+ h_align= 1;
+ break;
+ }
+
+ *width = ALIGN(*width , w_align);
+ *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;
- const int width = s->width;
- const int height= s->height;
+ 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= pic->coded_picture_number - buf->last_pic_num;
- buf->last_pic_num= pic->coded_picture_number;
+ pic->age= *picture_number - buf->last_pic_num;
+ buf->last_pic_num= *picture_number;
}else{
- int align, h_chroma_shift, v_chroma_shift;
- int w, h, pixel_size;
-
+ int h_chroma_shift, v_chroma_shift;
+ 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;
- }
-
- if(s->codec_id==CODEC_ID_SVQ1) align=63;
- else align=15;
-
- w= (width +align)&~align;
- h= (height+align)&~align;
-
+
+ avcodec_align_dimensions(s, &w, &h);
+
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;
- pic->linesize[i]= pixel_size*w>>h_shift;
+ buf->linesize[i]= picture.linesize[i];
- buf->base[i]= av_mallocz((pic->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, pic->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] + (pic->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift);
+ 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;
- pic->type= FF_BUFFER_TYPE_INTERNAL;
}
+ pic->type= FF_BUFFER_TYPE_INTERNAL;
for(i=0; i<4; i++){
pic->base[i]= buf->base[i];
pic->data[i]= buf->data[i];
+ pic->linesize[i]= buf->linesize[i];
}
s->internal_buffer_count++;
InternalBuffer *buf, *last, temp;
assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
+ assert(s->internal_buffer_count);
+ buf = NULL; /* avoids warning */
for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize
buf= &((InternalBuffer*)s->internal_buffer)[i];
if(buf->data[0] == pic->data[0])
//printf("R%X\n", pic->opaque);
}
-enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, enum PixelFormat * fmt){
+int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
+ AVFrame temp_pic;
+ int i;
+
+ /* If no picture return a new buffer */
+ if(pic->data[0] == NULL) {
+ /* We will copy from buffer, so must be readable */
+ pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
+ return s->get_buffer(s, pic);
+ }
+
+ /* If internal buffer type return the same buffer */
+ if(pic->type == FF_BUFFER_TYPE_INTERNAL)
+ return 0;
+
+ /*
+ * Not internal type and reget_buffer not overridden, emulate cr buffer
+ */
+ temp_pic = *pic;
+ for(i = 0; i < 4; i++)
+ pic->data[i] = pic->base[i] = NULL;
+ pic->opaque = NULL;
+ /* Allocate new frame */
+ if (s->get_buffer(s, pic))
+ return -1;
+ /* Copy image data from old buffer to new buffer */
+ img_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
+ s->height);
+ s->release_buffer(s, &temp_pic); // Release old frame
+ return 0;
+}
+
+int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
+ int i;
+
+ for(i=0; i<count; i++){
+ int r= func(c, arg[i]);
+ 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) (int)&((AVCodecContext*)0)->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
+
+static AVOption options[]={
+{"bit_rate", NULL, OFFSET(bit_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
+{"bit_rate_tolerance", NULL, OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, OFFSET(me_method), FF_OPT_TYPE_INT, DEFAULT, 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},
+{"gop_size", NULL, OFFSET(gop_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"rate_emu", NULL, OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"sample_rate", NULL, OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"channels", NULL, 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},
+{"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},
+{"qcompress", NULL, OFFSET(qcompress), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
+{"qblur", NULL, OFFSET(qblur), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
+{"qmin", NULL, OFFSET(qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"qmax", NULL, OFFSET(qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"max_qdiff", NULL, OFFSET(max_qdiff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"max_b_frames", NULL, OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"b_quant_factor", NULL, OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, 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},
+{"bugs", NULL, OFFSET(workaround_bugs), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, 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_quant_offset", NULL, OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, 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},
+{"rc_qsquish", NULL, OFFSET(rc_qsquish), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
+{"rc_qmod_amp", NULL, OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, 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", NULL, OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
+{"rc_max_rate", NULL, OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"rc_min_rate", NULL, OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"rc_buffer_size", NULL, 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, DEFAULT, FLT_MIN, FLT_MAX, V|E},
+{"i_quant_factor", NULL, OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
+{"i_quant_offset", NULL, OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
+{"rc_initial_cplx", NULL, OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, 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_MIN, FLT_MAX, V|E},
+{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
+{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
+{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
+{"dark_mask", "darkness masking", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, 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"},
+{"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, DEFAULT, 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", NULL, 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"},
+{"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"},
+{"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, DEFAULT, 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", NULL, OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"ibias", NULL, OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"pbias", NULL, OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"lmin", "min lagrange factor", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
+{"lmax", "max lagrange factor", 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, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
+{"error_rate", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"thread_count", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"dc", NULL, OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, DEFAULT, 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},
+{"frame_skip_threshold", NULL, OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"frame_skip_factor", NULL, OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"frame_skip_exp", NULL, 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_MIN, FLT_MAX, V|E},
+{"mb_lmin", NULL, OFFSET(mb_lmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"mb_lmax", NULL, OFFSET(mb_lmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"me_penalty_compensation", NULL, OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, DEFAULT, 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, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"keyint_min", NULL, OFFSET(keyint_min), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"refs", NULL, OFFSET(refs), FF_OPT_TYPE_INT, DEFAULT, 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|E},
+{"directpred", NULL, OFFSET(directpred), FF_OPT_TYPE_INT, DEFAULT, 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, DEFAULT, 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"},
+{NULL},
+};
+
+#undef A
+#undef V
+
+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;
+ s->mb_lmin= FF_QP2LAMBDA * 2;
+ s->mb_lmax= FF_QP2LAMBDA * 31;
s->rc_eq= "tex^qComp";
+ s->cqp = -1;
+ s->refs = 1;
+ s->directpred = 2;
s->qcompress= 0.5;
+ s->complexityblur = 20.0;
+ s->keyint_min = 25;
+ s->flags2 = CODEC_FLAG2_FASTPSKIP;
s->max_qdiff= 3;
s->b_quant_factor=1.25;
s->b_quant_offset=1.25;
s->error_concealment= 3;
s->error_resilience= 1;
s->workaround_bugs= FF_BUG_AUTODETECT;
- s->frame_rate_base= 1;
- s->frame_rate = 25;
+ s->time_base= (AVRational){0,1};
s->gop_size= 50;
s->me_method= ME_EPZS;
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->profile= FF_PROFILE_UNKNOWN;
+ s->level= FF_LEVEL_UNKNOWN;
+ s->me_penalty_compensation= 256;
+ s->pix_fmt= PIX_FMT_NONE;
+ s->frame_skip_cmp= FF_CMP_DCTMAX;
+ s->nsse_weight= 8;
+
s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
+ 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_mallocz(sizeof(AVCodecContext));
-
+ AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
+
if(avctx==NULL) return NULL;
-
+
avcodec_get_context_defaults(avctx);
-
+
return avctx;
}
+void avcodec_get_frame_defaults(AVFrame *pic){
+ 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_mallocz(sizeof(AVFrame));
-
+ 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)
+ 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;
+ }
+
ret = avctx->codec->init(avctx);
if (ret < 0) {
av_freep(&avctx->priv_data);
- return ret;
+ 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;
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 = "mpeg2ts";
} else if (enc->codec_name[0] != '\0') {
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:
break;
}
break;
+ case CODEC_TYPE_DATA:
+ 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);
}
}
static int inited = 0;
if (inited != 0)
- return;
+ return;
inited = 1;
dsputil_static_init();
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, larger;
+/* av_log API */
- assert(den != 0);
+static int av_log_level = AV_LOG_INFO;
- if(den < 0){
- den= -den;
- nom= -nom;
- }
-
- if(nom < 0){
- nom= -nom;
- sign= 1;
+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);
}
-
- for(;;){ //note is executed 1 or 2 times
- gcd = ff_gcd(nom, den);
- nom /= gcd;
- den /= gcd;
-
- larger= FFMAX(nom, den);
-
- if(larger > max){
- int64_t div= (larger + max - 1) / max;
- nom = (nom + div/2)/div;
- den = (den + div/2)/div;
- exact=0;
- }else
- break;
+#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);
+}
+
+int av_log_get_level(void)
+{
+ return av_log_level;
+}
+
+void av_log_set_level(int level)
+{
+ av_log_level = level;
+}
+
+void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
+{
+ av_log_callback = callback;
+}
+
+#if !defined(HAVE_THREADS)
+int avcodec_thread_init(AVCodecContext *s, int thread_count){
+ return -1;
+}
+#endif
+
+unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
+{
+ unsigned int n = 0;
+
+ while(v >= 0xff) {
+ *s++ = 0xff;
+ v -= 0xff;
+ n++;
}
-
- if(sign) nom= -nom;
-
- *dst_nom = nom;
- *dst_den = den;
-
- return exact;
-}
-
-int64_t av_rescale(int64_t a, int b, int c){
- uint64_t h, l;
- assert(c > 0);
- assert(b >=0);
-
- if(a<0) return -av_rescale(-a, b, c);
-
- h= a>>32;
- if(h==0) return a*b/c;
-
- l= a&0xFFFFFFFF;
- l *= b;
- h *= b;
-
- l += (h%c)<<32;
-
- return ((h/c)<<32) + l/c;
+ *s = v;
+ n++;
+ return n;
}
projects / ffmpeg / blobdiff