atomic_int state;
+#if FF_API_THREAD_SAFE_CALLBACKS
/**
* Array of frames passed to ff_thread_release_buffer().
* Frames are released after all threads referencing them are finished.
const enum AVPixelFormat *available_formats; ///< Format array for get_format()
enum AVPixelFormat result_format; ///< get_format() result
+#endif
int die; ///< Set when the thread should exit.
*/
} FrameThreadContext;
+#if FF_API_THREAD_SAFE_CALLBACKS
#define THREAD_SAFE_CALLBACKS(avctx) \
((avctx)->thread_safe_callbacks || (avctx)->get_buffer2 == avcodec_default_get_buffer2)
+#endif
static void async_lock(FrameThreadContext *fctx)
{
if (p->die) break;
- if (!codec->update_thread_context && THREAD_SAFE_CALLBACKS(avctx))
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (!codec->update_thread_context
+#if FF_API_THREAD_SAFE_CALLBACKS
+ && THREAD_SAFE_CALLBACKS(avctx)
+#endif
+ )
ff_thread_finish_setup(avctx);
+FF_ENABLE_DEPRECATION_WARNINGS
/* If a decoder supports hwaccel, then it must call ff_get_format().
* Since that call must happen before ff_thread_finish_setup(), the
dst->frame_number = src->frame_number;
dst->reordered_opaque = src->reordered_opaque;
+#if FF_API_THREAD_SAFE_CALLBACKS
+FF_DISABLE_DEPRECATION_WARNINGS
dst->thread_safe_callbacks = src->thread_safe_callbacks;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
if (src->slice_count && src->slice_offset) {
if (dst->slice_count < src->slice_count) {
return 0;
}
+#if FF_API_THREAD_SAFE_CALLBACKS
/// Releases the buffers that this decoding thread was the last user of.
static void release_delayed_buffers(PerThreadContext *p)
{
pthread_mutex_unlock(&fctx->buffer_mutex);
}
}
+#endif
static int submit_packet(PerThreadContext *p, AVCodecContext *user_avctx,
AVPacket *avpkt)
(p->avctx->debug & FF_DEBUG_THREADS) != 0,
memory_order_relaxed);
+#if FF_API_THREAD_SAFE_CALLBACKS
release_delayed_buffers(p);
+#endif
if (prev_thread) {
int err;
pthread_cond_signal(&p->input_cond);
pthread_mutex_unlock(&p->mutex);
+#if FF_API_THREAD_SAFE_CALLBACKS
+FF_DISABLE_DEPRECATION_WARNINGS
/*
* If the client doesn't have a thread-safe get_buffer(),
* then decoding threads call back to the main thread,
pthread_mutex_unlock(&p->progress_mutex);
}
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
fctx->prev_thread = p;
fctx->next_decoding++;
{
FrameThreadContext *fctx = avctx->internal->thread_ctx;
const AVCodec *codec = avctx->codec;
- int i, j;
+ int i;
park_frame_worker_threads(fctx, thread_count);
if (codec->close && p->avctx)
codec->close(p->avctx);
+#if FF_API_THREAD_SAFE_CALLBACKS
release_delayed_buffers(p);
+#endif
av_frame_free(&p->frame);
}
pthread_cond_destroy(&p->output_cond);
av_packet_unref(&p->avpkt);
- for (j = 0; j < p->released_buffers_allocated; j++)
+#if FF_API_THREAD_SAFE_CALLBACKS
+ for (int j = 0; j < p->released_buffers_allocated; j++)
av_frame_free(&p->released_buffers[j]);
av_freep(&p->released_buffers);
+#endif
if (p->avctx) {
if (codec->priv_class)
av_frame_unref(p->frame);
p->result = 0;
+#if FF_API_THREAD_SAFE_CALLBACKS
release_delayed_buffers(p);
+#endif
if (avctx->codec->flush)
avctx->codec->flush(p->avctx);
int ff_thread_can_start_frame(AVCodecContext *avctx)
{
PerThreadContext *p = avctx->internal->thread_ctx;
+FF_DISABLE_DEPRECATION_WARNINGS
if ((avctx->active_thread_type&FF_THREAD_FRAME) && atomic_load(&p->state) != STATE_SETTING_UP &&
- (avctx->codec->update_thread_context || !THREAD_SAFE_CALLBACKS(avctx))) {
+ (avctx->codec->update_thread_context
+#if FF_API_THREAD_SAFE_CALLBACKS
+ || !THREAD_SAFE_CALLBACKS(avctx)
+#endif
+ )) {
return 0;
}
+FF_ENABLE_DEPRECATION_WARNINGS
return 1;
}
if (!(avctx->active_thread_type & FF_THREAD_FRAME))
return ff_get_buffer(avctx, f->f, flags);
+FF_DISABLE_DEPRECATION_WARNINGS
if (atomic_load(&p->state) != STATE_SETTING_UP &&
- (avctx->codec->update_thread_context || !THREAD_SAFE_CALLBACKS(avctx))) {
+ (avctx->codec->update_thread_context
+#if FF_API_THREAD_SAFE_CALLBACKS
+ || !THREAD_SAFE_CALLBACKS(avctx)
+#endif
+ )) {
+FF_ENABLE_DEPRECATION_WARNINGS
av_log(avctx, AV_LOG_ERROR, "get_buffer() cannot be called after ff_thread_finish_setup()\n");
return -1;
}
}
pthread_mutex_lock(&p->parent->buffer_mutex);
+#if !FF_API_THREAD_SAFE_CALLBACKS
+ err = ff_get_buffer(avctx, f->f, flags);
+#else
+FF_DISABLE_DEPRECATION_WARNINGS
if (THREAD_SAFE_CALLBACKS(avctx)) {
err = ff_get_buffer(avctx, f->f, flags);
} else {
}
if (!THREAD_SAFE_CALLBACKS(avctx) && !avctx->codec->update_thread_context)
ff_thread_finish_setup(avctx);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
if (err)
av_buffer_unref(&f->progress);
return err;
}
+#if FF_API_THREAD_SAFE_CALLBACKS
+FF_DISABLE_DEPRECATION_WARNINGS
enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
{
enum AVPixelFormat res;
return res;
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
{
+#if FF_API_THREAD_SAFE_CALLBACKS
+FF_DISABLE_DEPRECATION_WARNINGS
PerThreadContext *p = avctx->internal->thread_ctx;
FrameThreadContext *fctx;
AVFrame *dst;
int ret = 0;
int can_direct_free = !(avctx->active_thread_type & FF_THREAD_FRAME) ||
THREAD_SAFE_CALLBACKS(avctx);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
if (!f->f)
return;
av_buffer_unref(&f->progress);
f->owner[0] = f->owner[1] = NULL;
+#if !FF_API_THREAD_SAFE_CALLBACKS
+ av_frame_unref(f->f);
+#else
// when the frame buffers are not allocated, just reset it to clean state
if (can_direct_free || !f->f->buf[0]) {
av_frame_unref(f->f);
memset(f->f->extended_buf, 0, f->f->nb_extended_buf * sizeof(*f->f->extended_buf));
av_frame_unref(f->f);
}
+#endif
}