API changes, most recent first:
+2011-02-09 - XXXXXXX - lavc 52.112.0 - avcodec_thread_init()
+ Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
+ set thread_count before calling avcodec_open.
+
2011-02-09 - 778b08a - lavc 52.111.0 - threading API
Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
choose_pixel_fmt(st, codec);
}
- if(!st->codec->thread_count)
- st->codec->thread_count = 1;
- if(st->codec->thread_count>1)
- avcodec_thread_init(st->codec, st->codec->thread_count);
-
if(st->codec->flags & CODEC_FLAG_BITEXACT)
nopts = 1;
for(i=0;i<ic->nb_streams;i++) {
AVStream *st = ic->streams[i];
AVCodecContext *dec = st->codec;
- avcodec_thread_init(dec, thread_count);
+ dec->thread_count = thread_count;
input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
ost->bitstream_filters = video_bitstream_filters;
video_bitstream_filters= NULL;
- avcodec_thread_init(st->codec, thread_count);
+ st->codec->thread_count= thread_count;
video_enc = st->codec;
ost->bitstream_filters = audio_bitstream_filters;
audio_bitstream_filters= NULL;
- avcodec_thread_init(st->codec, thread_count);
+ st->codec->thread_count= thread_count;
audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
avctx->skip_loop_filter= skip_loop_filter;
avctx->error_recognition= error_recognition;
avctx->error_concealment= error_concealment;
- avcodec_thread_init(avctx, thread_count);
+ avctx->thread_count= thread_count;
set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
#include "libavutil/cpu.h"
#define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 111
+#define LIBAVCODEC_VERSION_MINOR 112
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);
+#if LIBAVCODEC_VERSION_MAJOR < 53
+/**
+ * @deprecated Set s->thread_count before calling avcodec_open() instead of calling this.
+ */
+attribute_deprecated
int avcodec_thread_init(AVCodecContext *s, int thread_count);
void avcodec_thread_free(AVCodecContext *s);
+#endif
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int, int),void *arg, int *ret, int count);
//FIXME func typedef
if(pthread_create(&c->workers[i], NULL, worker, avctx)) {
avctx->thread_count = i;
pthread_mutex_unlock(&c->current_job_lock);
- avcodec_thread_free(avctx);
+ ff_thread_free(avctx);
return -1;
}
}
}
}
-int avcodec_thread_init(AVCodecContext *avctx, int thread_count)
+int ff_thread_init(AVCodecContext *avctx, int thread_count)
{
if (avctx->thread_opaque) {
av_log(avctx, AV_LOG_ERROR, "avcodec_thread_init is ignored after avcodec_open\n");
return 0;
}
-void avcodec_thread_free(AVCodecContext *avctx)
+void ff_thread_free(AVCodecContext *avctx)
{
if (avctx->active_thread_type&FF_THREAD_FRAME)
frame_thread_free(avctx, avctx->thread_count);
*/
void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f);
+int ff_thread_init(AVCodecContext *s, int thread_count);
+void ff_thread_free(AVCodecContext *s);
+
#endif /* AVCODEC_THREAD_H */
avctx->frame_number = 0;
if (HAVE_THREADS && !avctx->thread_opaque) {
- ret = avcodec_thread_init(avctx, avctx->thread_count);
+ ret = ff_thread_init(avctx, avctx->thread_count);
if (ret < 0) {
goto free_and_end;
}
}
if (HAVE_THREADS && avctx->thread_opaque)
- avcodec_thread_free(avctx);
+ ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
#endif
#if !HAVE_THREADS
-int avcodec_thread_init(AVCodecContext *s, int thread_count){
+int ff_thread_init(AVCodecContext *s, int thread_count){
s->thread_count = thread_count;
return -1;
}
}
#endif
+
+#if LIBAVCODEC_VERSION_MAJOR < 53
+
+int avcodec_thread_init(AVCodecContext *s, int thread_count)
+{
+ return ff_thread_init(s, thread_count);
+}
+
+void avcodec_thread_free(AVCodecContext *s)
+{
+ return ff_thread_free(s);
+}
+
+#endif
}
/**
- * Free what has been allocated by avcodec_thread_init().
+ * Free what has been allocated by ff_thread_init().
* Must be called after decoding has finished, especially do not call while avcodec_thread_execute() is running.
*/
-void avcodec_thread_free(AVCodecContext *s){
+void ff_thread_free(AVCodecContext *s){
ThreadContext *c= s->thread_opaque;
int i;
avcodec_thread_execute(s, NULL, arg, ret, count, 0);
}
-int avcodec_thread_init(AVCodecContext *s, int thread_count){
+int ff_thread_init(AVCodecContext *s, int thread_count){
int i;
ThreadContext *c;
uint32_t threadid;
return 0;
fail:
- avcodec_thread_free(s);
+ ff_thread_free(s);
return -1;
}