#include "libavutil/avstring.h"
#include "libavutil/integer.h"
#include "libavutil/crc.h"
+#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dsputil.h"
#include "opt.h"
#include "imgconvert.h"
#include "audioconvert.h"
+#include "libxvid_internal.h"
#include "internal.h"
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#endif
-const uint8_t ff_reverse[256]={
-0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
-0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
-0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
-0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
-0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
-0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
-0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
-0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
-0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
-0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
-0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
-0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
-0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
-0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
-0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
-0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
-};
-
static int volatile entangled_thread_counter=0;
+int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
+static void *codec_mutex;
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
{
return ptr;
}
+void av_fast_malloc(void *ptr, unsigned int *size, unsigned int min_size)
+{
+ void **p = ptr;
+ if (min_size < *size)
+ return;
+ *size= FFMAX(17*min_size/16 + 32, min_size);
+ av_free(*p);
+ *p = av_malloc(*size);
+ if (!*p) *size = 0;
+}
+
/* encoder management */
static AVCodec *first_avcodec = NULL;
#define INTERNAL_BUFFER_SIZE 32
-#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
-
-void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
+void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]){
int w_align= 1;
int h_align= 1;
case PIX_FMT_YUYV422:
case PIX_FMT_UYVY422:
case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV440P:
case PIX_FMT_YUV444P:
case PIX_FMT_GRAY8:
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUVJ422P:
+ case PIX_FMT_YUVJ440P:
case PIX_FMT_YUVJ444P:
case PIX_FMT_YUVA420P:
w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
h_align= 16;
+ if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP)
+ h_align= 32; // interlaced is rounded up to 2 MBs
break;
case PIX_FMT_YUV411P:
case PIX_FMT_UYYVYY411:
break;
}
- *width = ALIGN(*width , w_align);
- *height= ALIGN(*height, h_align);
+ *width = FFALIGN(*width , w_align);
+ *height= FFALIGN(*height, h_align);
if(s->codec_id == CODEC_ID_H264)
*height+=2; // some of the optimized chroma MC reads one line too much
+
+ linesize_align[0] =
+ linesize_align[1] =
+ linesize_align[2] =
+ linesize_align[3] = STRIDE_ALIGN;
+//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
+//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
+//picture size unneccessarily in some cases. The solution here is not
+//pretty and better ideas are welcome!
+#if HAVE_MMX
+ if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
+ s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
+ s->codec_id == CODEC_ID_VP6A) {
+ linesize_align[0] =
+ linesize_align[1] =
+ linesize_align[2] = 16;
+ }
+#endif
+}
+
+void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
+ int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w;
+ int linesize_align[4];
+ int align;
+ avcodec_align_dimensions2(s, width, height, linesize_align);
+ align = FFMAX(linesize_align[0], linesize_align[3]);
+ linesize_align[1] <<= chroma_shift;
+ linesize_align[2] <<= chroma_shift;
+ align = FFMAX3(align, linesize_align[1], linesize_align[2]);
+ *width=FFALIGN(*width, align);
}
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)
+ if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/8)
return 0;
av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
int h_chroma_shift, v_chroma_shift;
int size[4] = {0};
int tmpsize;
+ int unaligned;
AVPicture picture;
int stride_align[4];
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
- avcodec_align_dimensions(s, &w, &h);
+ avcodec_align_dimensions2(s, &w, &h, stride_align);
if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
w+= EDGE_WIDTH*2;
h+= EDGE_WIDTH*2;
}
- ff_fill_linesize(&picture, s->pix_fmt, w);
+ do {
+ // NOTE: do not align linesizes individually, this breaks e.g. assumptions
+ // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
+ ff_fill_linesize(&picture, s->pix_fmt, w);
+ // increase alignment of w for next try (rhs gives the lowest bit set in w)
+ w += w & ~(w-1);
- for (i=0; i<4; i++){
-//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
-//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
-//picture size unneccessarily in some cases. The solution here is not
-//pretty and better ideas are welcome!
-#if HAVE_MMX
- if(s->codec_id == CODEC_ID_SVQ1)
- stride_align[i]= 16;
- else
-#endif
- stride_align[i] = STRIDE_ALIGN;
- picture.linesize[i] = ALIGN(picture.linesize[i], stride_align[i]);
- }
+ unaligned = 0;
+ for (i=0; i<4; i++){
+ unaligned |= picture.linesize[i] % stride_align[i];
+ }
+ } while (unaligned);
tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h);
if (tmpsize < 0)
if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
buf->data[i] = buf->base[i];
else
- buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
+ buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
}
if(size[1] && !size[2])
ff_set_systematic_pal((uint32_t*)buf->data[1], s->pix_fmt);
}
/* If internal buffer type return the same buffer */
- if(pic->type == FF_BUFFER_TYPE_INTERNAL)
+ if(pic->type == FF_BUFFER_TYPE_INTERNAL) {
+ pic->reordered_opaque= s->reordered_opaque;
return 0;
+ }
/*
* Not internal type and reget_buffer not overridden, emulate cr buffer
return 0;
}
+int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr),void *arg, int *ret, int count){
+ int i;
+
+ for(i=0; i<count; i++){
+ int r= func(c, arg, i, 0);
+ if(ret) ret[i]= r;
+ }
+ return 0;
+}
+
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt){
while (*fmt != PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt))
++fmt;
{
int ret= -1;
+ /* If there is a user-supplied mutex locking routine, call it. */
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
+
entangled_thread_counter++;
if(entangled_thread_counter != 1){
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
else if(avctx->width && avctx->height)
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
- if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
- av_freep(&avctx->priv_data);
+#define SANE_NB_CHANNELS 128U
+ if (((avctx->coded_width || avctx->coded_height)
+ && avcodec_check_dimensions(avctx, avctx->coded_width, avctx->coded_height))
+ || avctx->channels > SANE_NB_CHANNELS) {
ret = AVERROR(EINVAL);
- goto end;
+ goto free_and_end;
}
avctx->codec = codec;
- avctx->codec_id = codec->id;
+ if ((avctx->codec_type == CODEC_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
+ avctx->codec_id == CODEC_ID_NONE) {
+ avctx->codec_type = codec->type;
+ avctx->codec_id = codec->id;
+ }
+ if(avctx->codec_id != codec->id || avctx->codec_type != codec->type){
+ av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n");
+ goto free_and_end;
+ }
avctx->frame_number = 0;
if(avctx->codec->init){
ret = avctx->codec->init(avctx);
if (ret < 0) {
- av_freep(&avctx->priv_data);
- avctx->codec= NULL;
- goto end;
+ goto free_and_end;
}
}
ret=0;
end:
entangled_thread_counter--;
+
+ /* Release any user-supplied mutex. */
+ if (ff_lockmgr_cb) {
+ (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ }
return ret;
+free_and_end:
+ av_freep(&avctx->priv_data);
+ avctx->codec= NULL;
+ goto end;
}
int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
return ret;
}
+#if LIBAVCODEC_VERSION_MAJOR < 53
int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
const uint8_t *buf, int buf_size)
+{
+ AVPacket avpkt;
+ av_init_packet(&avpkt);
+ avpkt.data = buf;
+ avpkt.size = buf_size;
+ // HACK for CorePNG to decode as normal PNG by default
+ avpkt.flags = AV_PKT_FLAG_KEY;
+
+ return avcodec_decode_video2(avctx, picture, got_picture_ptr, &avpkt);
+}
+#endif
+
+int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
+ int *got_picture_ptr,
+ AVPacket *avpkt)
{
int ret;
*got_picture_ptr= 0;
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
return -1;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- buf, buf_size);
+ avpkt);
emms_c(); //needed to avoid an emms_c() call before every return;
return ret;
}
+#if LIBAVCODEC_VERSION_MAJOR < 53
int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
const uint8_t *buf, int buf_size)
+{
+ AVPacket avpkt;
+ av_init_packet(&avpkt);
+ avpkt.data = buf;
+ avpkt.size = buf_size;
+
+ return avcodec_decode_audio3(avctx, samples, frame_size_ptr, &avpkt);
+}
+#endif
+
+int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
+ int *frame_size_ptr,
+ AVPacket *avpkt)
{
int ret;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
+ if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){
//FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n");
return -1;
}
- ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
- buf, buf_size);
+ ret = avctx->codec->decode(avctx, samples, frame_size_ptr, avpkt);
avctx->frame_number++;
}else{
ret= 0;
return ret;
}
+#if LIBAVCODEC_VERSION_MAJOR < 53
int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
int *got_sub_ptr,
const uint8_t *buf, int buf_size)
+{
+ AVPacket avpkt;
+ av_init_packet(&avpkt);
+ avpkt.data = buf;
+ avpkt.size = buf_size;
+
+ return avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, &avpkt);
+}
+#endif
+
+int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
+ int *got_sub_ptr,
+ AVPacket *avpkt)
{
int ret;
*got_sub_ptr = 0;
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
- buf, buf_size);
+ ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
if (*got_sub_ptr)
avctx->frame_number++;
return ret;
}
-int avcodec_close(AVCodecContext *avctx)
+av_cold int avcodec_close(AVCodecContext *avctx)
{
+ /* If there is a user-supplied mutex locking routine, call it. */
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
+
entangled_thread_counter++;
if(entangled_thread_counter != 1){
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
if (HAVE_THREADS && avctx->thread_opaque)
avcodec_thread_free(avctx);
- if (avctx->codec->close)
+ if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
av_freep(&avctx->priv_data);
+ if(avctx->codec->encode)
+ av_freep(&avctx->extradata);
avctx->codec = NULL;
entangled_thread_counter--;
+
+ /* Release any user-supplied mutex. */
+ if (ff_lockmgr_cb) {
+ (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ }
return 0;
}
return NULL;
}
+static int get_bit_rate(AVCodecContext *ctx)
+{
+ int bit_rate;
+ int bits_per_sample;
+
+ switch(ctx->codec_type) {
+ case CODEC_TYPE_VIDEO:
+ bit_rate = ctx->bit_rate;
+ break;
+ case CODEC_TYPE_AUDIO:
+ bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
+ bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
+ break;
+ case CODEC_TYPE_DATA:
+ bit_rate = ctx->bit_rate;
+ break;
+ case CODEC_TYPE_SUBTITLE:
+ bit_rate = ctx->bit_rate;
+ break;
+ case CODEC_TYPE_ATTACHMENT:
+ bit_rate = ctx->bit_rate;
+ break;
+ default:
+ bit_rate = 0;
+ break;
+ }
+ return bit_rate;
+}
+
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
{
const char *codec_name;
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", q=%d-%d", enc->qmin, enc->qmax);
}
- bitrate = enc->bit_rate;
break;
case CODEC_TYPE_AUDIO:
snprintf(buf, buf_size,
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %s", avcodec_get_sample_fmt_name(enc->sample_fmt));
}
-
- /* for PCM codecs, compute bitrate directly */
- switch(enc->codec_id) {
- case CODEC_ID_PCM_F64BE:
- case CODEC_ID_PCM_F64LE:
- bitrate = enc->sample_rate * enc->channels * 64;
- break;
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_U32LE:
- case CODEC_ID_PCM_U32BE:
- case CODEC_ID_PCM_F32BE:
- case CODEC_ID_PCM_F32LE:
- bitrate = enc->sample_rate * enc->channels * 32;
- break;
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_U24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_S24DAUD:
- bitrate = enc->sample_rate * enc->channels * 24;
- break;
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_S16LE_PLANAR:
- case CODEC_ID_PCM_U16LE:
- case CODEC_ID_PCM_U16BE:
- bitrate = enc->sample_rate * enc->channels * 16;
- break;
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
- case CODEC_ID_PCM_ALAW:
- case CODEC_ID_PCM_MULAW:
- case CODEC_ID_PCM_ZORK:
- bitrate = enc->sample_rate * enc->channels * 8;
- break;
- default:
- bitrate = enc->bit_rate;
- break;
- }
break;
case CODEC_TYPE_DATA:
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;
case CODEC_TYPE_ATTACHMENT:
snprintf(buf, buf_size, "Attachment: %s", codec_name);
- bitrate = enc->bit_rate;
break;
default:
snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", pass 2");
}
+ bitrate = get_bit_rate(enc);
if (bitrate != 0) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d kb/s", bitrate / 1000);
return LIBAVCODEC_VERSION_INT;
}
+const char *avcodec_configuration(void)
+{
+ return FFMPEG_CONFIGURATION;
+}
+
+const char *avcodec_license(void)
+{
+#define LICENSE_PREFIX "libavcodec license: "
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+}
+
void avcodec_init(void)
{
static int initialized = 0;
if(s->internal_buffer==NULL) return;
+ if (s->internal_buffer_count)
+ av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n", s->internal_buffer_count);
for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
for(j=0; j<4; j++){
return 3;
case CODEC_ID_ADPCM_SBPRO_4:
case CODEC_ID_ADPCM_CT:
+ case CODEC_ID_ADPCM_IMA_WAV:
+ case CODEC_ID_ADPCM_MS:
+ case CODEC_ID_ADPCM_YAMAHA:
return 4;
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW:
#if !HAVE_THREADS
int avcodec_thread_init(AVCodecContext *s, int thread_count){
+ s->thread_count = thread_count;
return -1;
}
#endif
{ "qcif", 176, 144 },
{ "cif", 352, 288 },
{ "4cif", 704, 576 },
+ { "16cif", 1408,1152 },
{ "qqvga", 160, 120 },
{ "qvga", 320, 240 },
{ "vga", 640, 480 },
return 0;
}
-void ff_log_missing_feature(void *avc, const char *feature, int want_sample)
+int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){
+ int i;
+ for(i=0; i<size && !(tab[i][0]==a && tab[i][1]==b); i++);
+ return i;
+}
+
+void av_log_missing_feature(void *avc, const char *feature, int want_sample)
{
av_log(avc, AV_LOG_WARNING, "%s not implemented. Update your FFmpeg "
"version to the newest one from SVN. If the problem still "
"occurs, it means that your file has a feature which has not "
"been implemented.", feature);
if(want_sample)
- ff_log_ask_for_sample(avc, NULL);
+ av_log_ask_for_sample(avc, NULL);
else
av_log(avc, AV_LOG_WARNING, "\n");
}
-void ff_log_ask_for_sample(void *avc, const char *msg)
+void av_log_ask_for_sample(void *avc, const char *msg)
{
if (msg)
av_log(avc, AV_LOG_WARNING, "%s ", msg);
*p = hwaccel;
hwaccel->next = NULL;
}
+
+AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
+{
+ return hwaccel ? hwaccel->next : first_hwaccel;
+}
+
+AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt)
+{
+ AVHWAccel *hwaccel=NULL;
+
+ while((hwaccel= av_hwaccel_next(hwaccel))){
+ if ( hwaccel->id == codec_id
+ && hwaccel->pix_fmt == pix_fmt)
+ return hwaccel;
+ }
+ return NULL;
+}
+
+int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
+{
+ if (ff_lockmgr_cb) {
+ if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
+ return -1;
+ }
+
+ ff_lockmgr_cb = cb;
+
+ if (ff_lockmgr_cb) {
+ if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
+ return -1;
+ }
+ return 0;
+}
projects / ffmpeg / blobdiff