#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
+#include "integer.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)
{
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);
}
-/* cannot call it directly because of 'void **' casting is not automatic */
-void __av_freep(void **ptr)
+/**
+ * Call av_free_static automatically before it's too late
+ */
+
+static void do_free() __attribute__ ((destructor));
+
+static void do_free()
+{
+ av_free_static();
+}
+
+/**
+ * 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];
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));
}
buf->last_pic_num= *picture_number;
}else{
int h_chroma_shift, v_chroma_shift;
- int s_align, pixel_size;
+ int pixel_size;
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
case PIX_FMT_RGB555:
case PIX_FMT_RGB565:
case PIX_FMT_YUV422:
+ case PIX_FMT_UYVY422:
pixel_size=2;
break;
case PIX_FMT_RGB24:
}
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;
const int h_shift= i==0 ? 0 : h_chroma_shift;
const int v_shift= i==0 ? 0 : v_chroma_shift;
- buf->linesize[i]= ALIGN(pixel_size*w>>h_shift, s_align);
+ //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, STRIDE_ALIGN<<(h_chroma_shift-h_shift));
- buf->base[i]= av_mallocz((buf->linesize[i]*h>>v_shift)+16); //FIXME 16
+ buf->base[i]= av_malloc((buf->linesize[i]*h>>v_shift)+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)
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;
}
return 0;
}
-enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, enum PixelFormat * fmt){
+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
+
+static AVOption options[]={
+{"bit_rate", NULL, OFFSET(bit_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"bit_rate_tolerance", NULL, OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"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},
+{"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},
+{"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},
+{"qblur", NULL, OFFSET(qblur), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"qmin", NULL, OFFSET(qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"qmax", NULL, OFFSET(qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"max_qdiff", NULL, OFFSET(max_qdiff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"max_b_frames", NULL, OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"b_quant_factor", NULL, OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"rc_strategy", NULL, OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"b_frame_strategy", NULL, OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"workaround_bugs", NULL, OFFSET(workaround_bugs), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"luma_elim_threshold", NULL, OFFSET(luma_elim_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"chroma_elim_threshold", NULL, OFFSET(chroma_elim_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"strict_std_compliance", NULL, OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"b_quant_offset", NULL, OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"error_resilience", NULL, OFFSET(error_resilience), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"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},
+{"rc_qmod_amp", NULL, OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"rc_qmod_freq", NULL, OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"rc_max_rate", NULL, OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"rc_min_rate", NULL, OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"rc_buffer_size", NULL, OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"rc_buffer_aggressivity", NULL, OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"i_quant_factor", NULL, OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"i_quant_offset", NULL, OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"rc_initial_cplx", NULL, OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"dct_algo", NULL, OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"lumi_masking", NULL, OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"temporal_cplx_masking", NULL, OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"spatial_cplx_masking", NULL, OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"p_masking", NULL, OFFSET(p_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"dark_masking", NULL, OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"idct_algo", NULL, OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"error_concealment", NULL, OFFSET(error_concealment), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"prediction_method", NULL, OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"sample_aspect_ratio", NULL, OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
+{"debug", NULL, OFFSET(debug), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"debug_mv", NULL, OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"mb_qmin", NULL, OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"mb_qmax", NULL, OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"me_cmp", NULL, OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"me_sub_cmp", NULL, OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"mb_cmp", NULL, OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"ildct_cmp", NULL, OFFSET(ildct_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"dia_size", NULL, OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"last_predictor_count", NULL, OFFSET(last_predictor_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"pre_me", NULL, OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"me_pre_cmp", NULL, OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"pre_dia_size", NULL, OFFSET(pre_dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"me_subpel_quality", NULL, OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"intra_quant_bias", NULL, OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"inter_quant_bias", NULL, OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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_type", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"context_model", NULL, OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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},
+{"mb_decision", NULL, OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"scenechange_threshold", NULL, OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"lmin", NULL, OFFSET(lmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"lmax", NULL, OFFSET(lmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"noise_reduction", NULL, OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"rc_initial_buffer_occupancy", NULL, OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"error_rate", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"antialias_algo", NULL, OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"quantizer_noise_shaping", NULL, OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"thread_count", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"me_threshold", NULL, 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},
+{"intra_dc_precision", NULL, OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"nsse_weight", NULL, OFFSET(nsse_weight), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"skip_top", NULL, OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"skip_bottom", NULL, OFFSET(skip_bottom), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"lowres", NULL, OFFSET(lowres), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"frame_skip_threshold", NULL, OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"frame_skip_factor", NULL, OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"frame_skip_exp", NULL, OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"frame_skip_cmp", NULL, OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"border_masking", NULL, OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX},
+{"mb_lmin", NULL, OFFSET(mb_lmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"mb_lmax", NULL, OFFSET(mb_lmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{"me_penalty_compensation", NULL, OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+{NULL},
+};
+
+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->qcompress= 0.5;
s->max_qdiff= 3;
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->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
* 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;
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()
*/
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)
- return -1;
+ goto end;
avctx->codec = codec;
avctx->codec_id = codec->id;
if (codec->priv_data_size > 0) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
if (!avctx->priv_data)
- return -ENOMEM;
+ 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,
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,
const AVFrame *pict)
{
- int ret;
-
- ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
+ 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;
- 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;
}
{
int ret;
- ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- buf, buf_size);
+ *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 a emms_c() call before every return;
+ emms_c(); //needed to avoid an emms_c() call before every return;
- if (*got_picture_ptr)
- avctx->frame_number++;
+ if (*got_picture_ptr)
+ avctx->frame_number++;
+ }else
+ ret= 0;
+
return ret;
}
{
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));
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);
+ 1/av_q2d(enc->time_base));
}
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) {
/* 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)
}
}
-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){
- den= -den;
- nom= -nom;
- }
-
- if(nom < 0){
- nom= -nom;
- sign= 1;
- }
-
- 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);
-
- 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;
-}
-
/* av_log API */
-#ifdef AV_LOG_TRAP_PRINTF
-#undef stderr
-#undef fprintf
-#endif
+static int av_log_level = AV_LOG_INFO;
-static int av_log_level = AV_LOG_DEBUG;
-
-static void av_log_default_callback(AVCodecContext* avctx, int level, const char* fmt, va_list vl)
+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;
- if(avctx && print_prefix)
- fprintf(stderr, "[%s @ %p]", avctx->codec->name, avctx);
+ return;
+#undef fprintf
+ if(print_prefix && avc) {
+ fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc);
+ }
+#define fprintf please_use_av_log
- print_prefix= (int)strstr(fmt, "\n");
+ print_prefix= strstr(fmt, "\n") != NULL;
vfprintf(stderr, fmt, vl);
}
-static void (*av_log_callback)(AVCodecContext*, int, const char*, va_list) = av_log_default_callback;
+static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
-void av_log(AVCodecContext* avctx, int level, const char *fmt, ...)
+void av_log(void* avcl, int level, const char *fmt, ...)
{
va_list vl;
va_start(vl, fmt);
- av_vlog(avctx, level, fmt, vl);
+ av_vlog(avcl, level, fmt, vl);
va_end(vl);
}
-void av_vlog(AVCodecContext* avctx, int level, const char *fmt, va_list vl)
+void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
{
- av_log_callback(avctx, level, fmt, vl);
+ av_log_callback(avcl, level, fmt, vl);
}
int av_log_get_level(void)
av_log_level = level;
}
-void av_log_set_callback(void (*callback)(AVCodecContext*, int, const char*, va_list))
+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++;
+ }
+ *s = v;
+ n++;
+ return n;
+}
projects / ffmpeg / blobdiff