/*
* 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
const uint8_t ff_reverse[256]={
0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
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= FFMAX(17*min_size/16 + 32, min_size);
return av_realloc(ptr, *size);
{
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;
* Call av_free_static automatically before it's too late
*/
-static void do_free() __attribute__ ((destructor));
+static void do_free(void) __attribute__ ((destructor));
-static void do_free()
+static void do_free(void)
{
av_free_static();
}
#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:
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;
}
}
#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 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:
- case PIX_FMT_UYVY422:
- 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(!(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, STRIDE_ALIGN<<(h_chroma_shift-h_shift));
+ buf->linesize[i]= picture.linesize[i];
- buf->base[i]= av_malloc((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), STRIDE_ALIGN);
AVCodecContext *avc= ptr;
if(avc && avc->codec && avc->codec->name)
- return avc->codec->name;
+ return avc->codec->name;
else
return "NULL";
}
#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 E AV_OPT_FLAG_ENCODING_PARAM
#define D AV_OPT_FLAG_DECODING_PARAM
-static AVOption options[]={
+static const 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"},
{"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},
+{"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},
{"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_frame_strategy", NULL, OFFSET(b_frame_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},
{"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},
{"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_INT, DEFAULT, INT_MIN, INT_MAX},
+{"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"},
{"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|A|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"},
+{"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},
};
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->pix_fmt= PIX_FMT_NONE;
s->frame_skip_cmp= FF_CMP_DCTMAX;
s->nsse_weight= 8;
-
+ s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
+ s->mv0_threshold= 256;
+ s->b_sensitivity= 40;
+ s->compression_level = FF_COMPRESSION_DEFAULT;
+ s->use_lpc = -1;
+ s->min_prediction_order = -1;
+ s->max_prediction_order = -1;
+ s->prediction_order_method = -1;
+ s->min_partition_order = -1;
+ s->max_partition_order = -1;
+
s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
s->palctrl = NULL;
/**
* 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;
}
/**
* 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= -1;
-
+
entangled_thread_counter++;
if(entangled_thread_counter != 1){
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
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)
+ if (!avctx->priv_data)
goto end;
} else {
avctx->priv_data = NULL;
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);
+ avctx->codec= NULL;
goto end;
}
ret=0;
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)
{
if(buf_size < FF_MIN_BUFFER_SIZE && 0){
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)
{
if(buf_size < FF_MIN_BUFFER_SIZE){
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;
-
+
return ret;
}else
return 0;
}
-int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVSubtitle *sub)
{
int ret;
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;
-
+
*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,
+ 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)
+
+ if (*got_picture_ptr)
avctx->frame_number++;
}else
ret= 0;
*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)
{
*frame_size_ptr= 0;
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
- ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
+ ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
buf, buf_size);
avctx->frame_number++;
}else
int ret;
*got_sub_ptr = 0;
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
+ ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
(uint8_t *)buf, buf_size);
if (*got_sub_ptr)
avctx->frame_number++;
codec_name = enc->codec_name;
} else {
/* output avi tags */
- if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
+ 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",
+ 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->sample_rate,
channels_str);
}
-
+
/* for PCM codecs, compute bitrate directly */
switch(enc->codec_id) {
case CODEC_ID_PCM_S32LE:
", 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();
}
/**
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 '?';
}
}
-/* av_log API */
-
-static int av_log_level = AV_LOG_INFO;
-
-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);
-}
-
-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)
n++;
return n;
}
+
+/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
+ * Also, tries to create file in /tmp first, if possible.
+ * *prefix can be a character constant; *filename will be allocated internally.
+ * Returns file descriptor of opened file (or -1 on error)
+ * and opened file name in **filename. */
+int av_tempfile(char *prefix, char **filename) {
+ int fd=-1;
+#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 */
+}
projects / ffmpeg / blobdiff