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avcodec/pthread_slice: add ff_slice_thread_execute_with_mainfunc() 

Signed-off-by: Ilia Valiakhmetov <zakne0ne@gmail.com>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Ilia Valiakhmetov 2017-09-08 03:48:17 +07:00 committed by Ronald S. Bultje
parent fde5c7dc79
commit 83c12fefd2
3 changed files with 27 additions and 3 deletions
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4
libavcodec/internal.h
View File

@ -64,6 +64,10 @@
* dimensions to coded rather than display values.
*/
#define FF_CODEC_CAP_EXPORTS_CROPPING (1 << 4)
/**
* Codec initializes slice-based threading with a main function
*/
#define FF_CODEC_CAP_SLICE_THREAD_HAS_MF (1 << 5)
#ifdef TRACE
# define ff_tlog(ctx, ...) av_log(ctx, AV_LOG_TRACE, __VA_ARGS__)

22
libavcodec/pthread_slice.c
View File

@ -38,11 +38,13 @@
typedef int (action_func)(AVCodecContext *c, void *arg);
typedef int (action_func2)(AVCodecContext *c, void *arg, int jobnr, int threadnr);
typedef int (main_func)(AVCodecContext *c);
typedef struct SliceThreadContext {
AVSliceThread *thread;
action_func *func;
action_func2 *func2;
main_func *mainfunc;
void *args;
int *rets;
int job_size;
@ -54,6 +56,12 @@ typedef struct SliceThreadContext {
pthread_mutex_t *progress_mutex;
} SliceThreadContext;
static void main_function(void *priv) {
AVCodecContext *avctx = priv;
SliceThreadContext *c = avctx->internal->thread_ctx;
c->mainfunc(avctx);
}
static void worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads)
{
AVCodecContext *avctx = priv;
@ -99,7 +107,7 @@ static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, i
c->func = func;
c->rets = ret;
avpriv_slicethread_execute(c->thread, job_count, 0);
avpriv_slicethread_execute(c->thread, job_count, !!c->mainfunc );
return 0;
}
@ -110,10 +118,19 @@ static int thread_execute2(AVCodecContext *avctx, action_func2* func2, void *arg
return thread_execute(avctx, NULL, arg, ret, job_count, 0);
}
int ff_slice_thread_execute_with_mainfunc(AVCodecContext *avctx, action_func2* func2, main_func *mainfunc, void *arg, int *ret, int job_count)
{
SliceThreadContext *c = avctx->internal->thread_ctx;
c->func2 = func2;
c->mainfunc = mainfunc;
return thread_execute(avctx, NULL, arg, ret, job_count, 0);
}
int ff_slice_thread_init(AVCodecContext *avctx)
{
SliceThreadContext *c;
int thread_count = avctx->thread_count;
static void (*mainfunc)(void *);
#if HAVE_W32THREADS
w32thread_init();
@ -142,7 +159,8 @@ int ff_slice_thread_init(AVCodecContext *avctx)
}
avctx->internal->thread_ctx = c = av_mallocz(sizeof(*c));
if (!c || (thread_count = avpriv_slicethread_create(&c->thread, avctx, worker_func, NULL, thread_count)) <= 1) {
mainfunc = avctx->codec->caps_internal & FF_CODEC_CAP_SLICE_THREAD_HAS_MF ? &main_function : NULL;
if (!c || (thread_count = avpriv_slicethread_create(&c->thread, avctx, worker_func, mainfunc, thread_count)) <= 1) {
if (c)
avpriv_slicethread_free(&c->thread);
av_freep(&avctx->internal->thread_ctx);

4
libavcodec/thread.h
View File

@ -133,8 +133,10 @@ void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f);
int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src);
int ff_thread_init(AVCodecContext *s);
int ff_slice_thread_execute_with_mainfunc(AVCodecContext *avctx,
int (*action_func2)(AVCodecContext *c, void *arg, int jobnr, int threadnr),
int (*main_func)(AVCodecContext *c), void *arg, int *ret, int job_count);
void ff_thread_free(AVCodecContext *s);
int ff_alloc_entries(AVCodecContext *avctx, int count);
void ff_reset_entries(AVCodecContext *avctx);
void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n);