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pthread: store thread contexts in AVCodecInternal instead of AVCodecContext

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It's a private field, it should not be visible to callers.

Deprecate AVCodecContext.thread_opaque
pull/45/head
Anton Khirnov 11 years ago
parent daa7a1d443
commit 38ecc3702d
7 changed files with 38 additions and 33 deletions
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  1. 8
      libavcodec/avcodec.h
  2. 2
      libavcodec/internal.h
  3. 1
      libavcodec/options.c
  4. 43
      libavcodec/pthread_frame.c
  5. 12
      libavcodec/pthread_slice.c
  6. 2
      libavcodec/utils.c
  7. 3
      libavcodec/version.h

8
libavcodec/avcodec.h
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@ -2532,13 +2532,13 @@ typedef struct AVCodecContext {
*/
int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
#if FF_API_THREAD_OPAQUE
/**
* thread opaque
* Can be used by execute() to store some per AVCodecContext stuff.
* - encoding: set by execute()
* - decoding: set by execute()
* @deprecated this field should not be used from outside of lavc
*/
attribute_deprecated
void *thread_opaque;
#endif
/**
* noise vs. sse weight for the nsse comparsion function

2
libavcodec/internal.h
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@ -86,6 +86,8 @@ typedef struct AVCodecInternal {
AVFrame to_free;
FramePool *pool;
void *thread_ctx;
} AVCodecInternal;
struct AVCodecDefault {

1
libavcodec/options.c
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@ -150,7 +150,6 @@ int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
dest->codec = NULL;
dest->slice_offset = NULL;
dest->hwaccel = NULL;
dest->thread_opaque = NULL;
dest->internal = NULL;
/* reallocate values that should be allocated separately */

43
libavcodec/pthread_frame.c
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@ -46,7 +46,7 @@
#include "libavutil/mem.h"
/**
* Context used by codec threads and stored in their AVCodecContext thread_opaque.
* Context used by codec threads and stored in their AVCodecInternal thread_ctx.
*/
typedef struct PerThreadContext {
struct FrameThreadContext *parent;
@ -93,7 +93,7 @@ typedef struct PerThreadContext {
} PerThreadContext;
/**
* Context stored in the client AVCodecContext thread_opaque.
* Context stored in the client AVCodecInternal thread_ctx.
*/
typedef struct FrameThreadContext {
PerThreadContext *threads; ///< The contexts for each thread.
@ -365,7 +365,7 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
AVFrame *picture, int *got_picture_ptr,
AVPacket *avpkt)
{
FrameThreadContext *fctx = avctx->thread_opaque;
FrameThreadContext *fctx = avctx->internal->thread_ctx;
int finished = fctx->next_finished;
PerThreadContext *p;
int err;
@ -441,7 +441,7 @@ void ff_thread_report_progress(ThreadFrame *f, int n, int field)
if (!progress || progress[field] >= n) return;
p = f->owner->thread_opaque;
p = f->owner->internal->thread_ctx;
if (f->owner->debug&FF_DEBUG_THREADS)
av_log(f->owner, AV_LOG_DEBUG, "%p finished %d field %d\n", progress, n, field);
@ -459,7 +459,7 @@ void ff_thread_await_progress(ThreadFrame *f, int n, int field)
if (!progress || progress[field] >= n) return;
p = f->owner->thread_opaque;
p = f->owner->internal->thread_ctx;
if (f->owner->debug&FF_DEBUG_THREADS)
av_log(f->owner, AV_LOG_DEBUG, "thread awaiting %d field %d from %p\n", n, field, progress);
@ -471,7 +471,7 @@ void ff_thread_await_progress(ThreadFrame *f, int n, int field)
}
void ff_thread_finish_setup(AVCodecContext *avctx) {
PerThreadContext *p = avctx->thread_opaque;
PerThreadContext *p = avctx->internal->thread_ctx;
if (!(avctx->active_thread_type&FF_THREAD_FRAME)) return;
@ -500,7 +500,7 @@ static void park_frame_worker_threads(FrameThreadContext *fctx, int thread_count
void ff_frame_thread_free(AVCodecContext *avctx, int thread_count)
{
FrameThreadContext *fctx = avctx->thread_opaque;
FrameThreadContext *fctx = avctx->internal->thread_ctx;
const AVCodec *codec = avctx->codec;
int i;
@ -544,16 +544,16 @@ void ff_frame_thread_free(AVCodecContext *avctx, int thread_count)
if (i) {
av_freep(&p->avctx->priv_data);
av_freep(&p->avctx->internal);
av_freep(&p->avctx->slice_offset);
}
av_freep(&p->avctx->internal);
av_freep(&p->avctx);
}
av_freep(&fctx->threads);
pthread_mutex_destroy(&fctx->buffer_mutex);
av_freep(&avctx->thread_opaque);
av_freep(&avctx->internal->thread_ctx);
}
int ff_frame_thread_init(AVCodecContext *avctx)
@ -583,7 +583,7 @@ int ff_frame_thread_init(AVCodecContext *avctx)
return 0;
}
avctx->thread_opaque = fctx = av_mallocz(sizeof(FrameThreadContext));
avctx->internal->thread_ctx = fctx = av_mallocz(sizeof(FrameThreadContext));
fctx->threads = av_mallocz(sizeof(PerThreadContext) * thread_count);
pthread_mutex_init(&fctx->buffer_mutex, NULL);
@ -608,9 +608,16 @@ int ff_frame_thread_init(AVCodecContext *avctx)
}
*copy = *src;
copy->thread_opaque = p;
copy->pkt = &p->avpkt;
copy->internal = av_malloc(sizeof(AVCodecInternal));
if (!copy->internal) {
err = AVERROR(ENOMEM);
goto error;
}
*copy->internal = *src->internal;
copy->internal->thread_ctx = p;
if (!i) {
src = copy;
@ -625,12 +632,6 @@ int ff_frame_thread_init(AVCodecContext *avctx)
goto error;
}
memcpy(copy->priv_data, src->priv_data, codec->priv_data_size);
copy->internal = av_malloc(sizeof(AVCodecInternal));
if (!copy->internal) {
err = AVERROR(ENOMEM);
goto error;
}
*copy->internal = *src->internal;
copy->internal->is_copy = 1;
if (codec->init_thread_copy)
@ -654,9 +655,9 @@ error:
void ff_thread_flush(AVCodecContext *avctx)
{
int i;
FrameThreadContext *fctx = avctx->thread_opaque;
FrameThreadContext *fctx = avctx->internal->thread_ctx;
if (!avctx->thread_opaque) return;
if (!fctx) return;
park_frame_worker_threads(fctx, avctx->thread_count);
if (fctx->prev_thread) {
@ -681,7 +682,7 @@ void ff_thread_flush(AVCodecContext *avctx)
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
PerThreadContext *p = avctx->thread_opaque;
PerThreadContext *p = avctx->internal->thread_ctx;
int err;
f->owner = avctx;
@ -743,7 +744,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
{
PerThreadContext *p = avctx->thread_opaque;
PerThreadContext *p = avctx->internal->thread_ctx;
FrameThreadContext *fctx;
AVFrame *dst, *tmp;
FF_DISABLE_DEPRECATION_WARNINGS

12
libavcodec/pthread_slice.c
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@ -63,7 +63,7 @@ typedef struct SliceThreadContext {
static void* attribute_align_arg worker(void *v)
{
AVCodecContext *avctx = v;
SliceThreadContext *c = avctx->thread_opaque;
SliceThreadContext *c = avctx->internal->thread_ctx;
unsigned last_execute = 0;
int our_job = c->job_count;
int thread_count = avctx->thread_count;
@ -98,7 +98,7 @@ static void* attribute_align_arg worker(void *v)
void ff_slice_thread_free(AVCodecContext *avctx)
{
SliceThreadContext *c = avctx->thread_opaque;
SliceThreadContext *c = avctx->internal->thread_ctx;
int i;
pthread_mutex_lock(&c->current_job_lock);
@ -113,7 +113,7 @@ void ff_slice_thread_free(AVCodecContext *avctx)
pthread_cond_destroy(&c->current_job_cond);
pthread_cond_destroy(&c->last_job_cond);
av_free(c->workers);
av_freep(&avctx->thread_opaque);
av_freep(&avctx->internal->thread_ctx);
}
static av_always_inline void thread_park_workers(SliceThreadContext *c, int thread_count)
@ -125,7 +125,7 @@ static av_always_inline void thread_park_workers(SliceThreadContext *c, int thre
static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, int *ret, int job_count, int job_size)
{
SliceThreadContext *c = avctx->thread_opaque;
SliceThreadContext *c = avctx->internal->thread_ctx;
int dummy_ret;
if (!(avctx->active_thread_type&FF_THREAD_SLICE) || avctx->thread_count <= 1)
@ -158,7 +158,7 @@ static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, i
static int thread_execute2(AVCodecContext *avctx, action_func2* func2, void *arg, int *ret, int job_count)
{
SliceThreadContext *c = avctx->thread_opaque;
SliceThreadContext *c = avctx->internal->thread_ctx;
c->func2 = func2;
return thread_execute(avctx, NULL, arg, ret, job_count, 0);
}
@ -198,7 +198,7 @@ int ff_slice_thread_init(AVCodecContext *avctx)
return -1;
}
avctx->thread_opaque = c;
avctx->internal->thread_ctx = c;
c->current_job = 0;
c->job_count = 0;
c->job_size = 0;

2
libavcodec/utils.c
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@ -1567,7 +1567,7 @@ av_cold int avcodec_close(AVCodecContext *avctx)
if (avcodec_is_open(avctx)) {
FramePool *pool = avctx->internal->pool;
int i;
if (HAVE_THREADS && avctx->thread_opaque)
if (HAVE_THREADS && avctx->internal->thread_ctx)
ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);

3
libavcodec/version.h
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@ -88,5 +88,8 @@
#ifndef FF_API_ASPECT_EXTENDED
#define FF_API_ASPECT_EXTENDED (LIBAVCODEC_VERSION_MAJOR < 56)
#endif
#ifndef FF_API_THREAD_OPAQUE
#define FF_API_THREAD_OPAQUE (LIBAVCODEC_VERSION_MAJOR < 56)
#endif
#endif /* AVCODEC_VERSION_H */

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