#define _GNU_SOURCE
#include <sched.h>
#endif
-#if HAVE_GETSYSTEMINFO
+#if HAVE_GETPROCESSAFFINITYMASK
#include <windows.h>
#endif
#if HAVE_SYSCTL
#include "avcodec.h"
#include "internal.h"
#include "thread.h"
+#include "libavutil/common.h"
#if HAVE_PTHREADS
#include <pthread.h>
if (!ret) {
nb_cpus = CPU_COUNT(&cpuset);
}
-#elif HAVE_GETSYSTEMINFO
- SYSTEM_INFO sysinfo;
- GetSystemInfo(&sysinfo);
- nb_cpus = sysinfo.dwNumberOfProcessors;
+#elif HAVE_GETPROCESSAFFINITYMASK
+ DWORD_PTR proc_aff, sys_aff;
+ ret = GetProcessAffinityMask(GetCurrentProcess(), &proc_aff, &sys_aff);
+ if (ret)
+ nb_cpus = av_popcount64(proc_aff);
#elif HAVE_SYSCTL && defined(HW_NCPU)
int mib[2] = { CTL_HW, HW_NCPU };
size_t len = sizeof(nb_cpus);
nb_cpus = sysconf(_SC_NPROCESSORS_ONLN);
#endif
av_log(avctx, AV_LOG_DEBUG, "detected %d logical cores\n", nb_cpus);
- return FFMIN(nb_cpus, MAX_AUTO_THREADS);
+ return nb_cpus;
}
if (!thread_count) {
int nb_cpus = get_logical_cpus(avctx);
- // use number of cores + 1 as thread count if there is motre than one
+ // use number of cores + 1 as thread count if there is more than one
if (nb_cpus > 1)
- thread_count = avctx->thread_count = nb_cpus + 1;
+ thread_count = avctx->thread_count = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS);
+ else
+ thread_count = avctx->thread_count = 1;
}
if (thread_count <= 1) {
PerThreadContext *p = arg;
FrameThreadContext *fctx = p->parent;
AVCodecContext *avctx = p->avctx;
- AVCodec *codec = avctx->codec;
+ const AVCodec *codec = avctx->codec;
while (1) {
if (p->state == STATE_INPUT_READY && !fctx->die) {
p->got_frame = 0;
p->result = codec->decode(avctx, &p->frame, &p->got_frame, &p->avpkt);
+ /* many decoders assign whole AVFrames, thus overwriting extended_data;
+ * make sure it's set correctly */
+ p->frame.extended_data = p->frame.data;
+
if (p->state == STATE_SETTING_UP) ff_thread_finish_setup(avctx);
p->state = STATE_INPUT_READY;
int err = 0;
if (dst != src) {
- dst->sub_id = src->sub_id;
dst->time_base = src->time_base;
dst->width = src->width;
dst->height = src->height;
dst->has_b_frames = src->has_b_frames;
dst->idct_algo = src->idct_algo;
- dst->slice_count = src->slice_count;
dst->bits_per_coded_sample = src->bits_per_coded_sample;
dst->sample_aspect_ratio = src->sample_aspect_ratio;
*
* @param dst The destination context.
* @param src The source context.
+ * @return 0 on success, negative error code on failure
*/
-static void update_context_from_user(AVCodecContext *dst, AVCodecContext *src)
+static int update_context_from_user(AVCodecContext *dst, AVCodecContext *src)
{
#define copy_fields(s, e) memcpy(&dst->s, &src->s, (char*)&dst->e - (char*)&dst->s);
dst->flags = src->flags;
dst->release_buffer = src->release_buffer;
dst->opaque = src->opaque;
- dst->dsp_mask = src->dsp_mask;
dst->debug = src->debug;
dst->debug_mv = src->debug_mv;
dst->slice_flags = src->slice_flags;
dst->flags2 = src->flags2;
- copy_fields(skip_loop_filter, bidir_refine);
+ copy_fields(skip_loop_filter, subtitle_header);
dst->frame_number = src->frame_number;
dst->reordered_opaque = src->reordered_opaque;
+
+ if (src->slice_count && src->slice_offset) {
+ if (dst->slice_count < src->slice_count) {
+ int *tmp = av_realloc(dst->slice_offset, src->slice_count *
+ sizeof(*dst->slice_offset));
+ if (!tmp) {
+ av_free(dst->slice_offset);
+ return AVERROR(ENOMEM);
+ }
+ dst->slice_offset = tmp;
+ }
+ memcpy(dst->slice_offset, src->slice_offset,
+ src->slice_count * sizeof(*dst->slice_offset));
+ }
+ dst->slice_count = src->slice_count;
+ return 0;
#undef copy_fields
}
{
FrameThreadContext *fctx = p->parent;
PerThreadContext *prev_thread = fctx->prev_thread;
- AVCodec *codec = p->avctx->codec;
+ const AVCodec *codec = p->avctx->codec;
uint8_t *buf = p->avpkt.data;
if (!avpkt->size && !(codec->capabilities & CODEC_CAP_DELAY)) return 0;
pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
if (p->state == STATE_GET_BUFFER) {
- p->result = p->avctx->get_buffer(p->avctx, p->requested_frame);
+ p->result = ff_get_buffer(p->avctx, p->requested_frame);
p->state = STATE_SETTING_UP;
pthread_cond_signal(&p->progress_cond);
}
*/
p = &fctx->threads[fctx->next_decoding];
- update_context_from_user(p->avctx, avctx);
+ err = update_context_from_user(p->avctx, avctx);
+ if (err) return err;
err = submit_packet(p, avpkt);
if (err) return err;
* If we're still receiving the initial packets, don't return a frame.
*/
- if (fctx->delaying && avpkt->size) {
+ if (fctx->delaying) {
if (fctx->next_decoding >= (avctx->thread_count-1)) fctx->delaying = 0;
*got_picture_ptr=0;
- return avpkt->size;
+ if (avpkt->size)
+ return avpkt->size;
}
/*
*picture = p->frame;
*got_picture_ptr = p->got_frame;
picture->pkt_dts = p->avpkt.dts;
- picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
- picture->width = avctx->width;
- picture->height = avctx->height;
- picture->format = avctx->pix_fmt;
/*
* A later call with avkpt->size == 0 may loop over all threads,
static void frame_thread_free(AVCodecContext *avctx, int thread_count)
{
FrameThreadContext *fctx = avctx->thread_opaque;
- AVCodec *codec = avctx->codec;
+ const AVCodec *codec = avctx->codec;
int i;
park_frame_worker_threads(fctx, 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);
static int frame_thread_init(AVCodecContext *avctx)
{
int thread_count = avctx->thread_count;
- AVCodec *codec = avctx->codec;
+ const AVCodec *codec = avctx->codec;
AVCodecContext *src = avctx;
FrameThreadContext *fctx;
int i, err = 0;
if (!thread_count) {
int nb_cpus = get_logical_cpus(avctx);
- // use number of cores + 1 as thread count if there is motre than one
+ // use number of cores + 1 as thread count if there is more than one
if (nb_cpus > 1)
- thread_count = avctx->thread_count = nb_cpus + 1;
+ thread_count = avctx->thread_count = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS);
+ else
+ thread_count = avctx->thread_count = 1;
}
if (thread_count <= 1) {
err = AVERROR(ENOMEM);
goto error;
}
- *(copy->internal) = *(src->internal);
+ *copy->internal = *src->internal;
copy->internal->is_copy = 1;
if (codec->init_thread_copy)
void ff_thread_flush(AVCodecContext *avctx)
{
+ int i;
FrameThreadContext *fctx = avctx->thread_opaque;
if (!avctx->thread_opaque) return;
fctx->next_decoding = fctx->next_finished = 0;
fctx->delaying = 1;
fctx->prev_thread = NULL;
+ for (i = 0; i < avctx->thread_count; i++) {
+ PerThreadContext *p = &fctx->threads[i];
+ // Make sure decode flush calls with size=0 won't return old frames
+ p->got_frame = 0;
+
+ release_delayed_buffers(p);
+ }
}
static int *allocate_progress(PerThreadContext *p)
if (!(avctx->active_thread_type&FF_THREAD_FRAME)) {
f->thread_opaque = NULL;
- return avctx->get_buffer(avctx, f);
+ return ff_get_buffer(avctx, f);
}
if (p->state != STATE_SETTING_UP &&
if (avctx->thread_safe_callbacks ||
avctx->get_buffer == avcodec_default_get_buffer) {
- err = avctx->get_buffer(avctx, f);
+ err = ff_get_buffer(avctx, f);
} else {
p->requested_frame = f;
p->state = STATE_GET_BUFFER;
ff_thread_finish_setup(avctx);
}
+ if (err) {
+ free_progress(f);
+ f->thread_opaque = NULL;
+ }
pthread_mutex_unlock(&p->parent->buffer_mutex);
return err;
PerThreadContext *p = avctx->thread_opaque;
FrameThreadContext *fctx;
+ if (!f->data[0])
+ return;
+
if (!(avctx->active_thread_type&FF_THREAD_FRAME)) {
avctx->release_buffer(avctx, f);
return;
} else if (avctx->codec->capabilities & CODEC_CAP_SLICE_THREADS &&
avctx->thread_type & FF_THREAD_SLICE) {
avctx->active_thread_type = FF_THREAD_SLICE;
+ } else if (!(avctx->codec->capabilities & CODEC_CAP_AUTO_THREADS)) {
+ avctx->thread_count = 1;
+ avctx->active_thread_type = 0;
}
+
+ if (avctx->thread_count > MAX_AUTO_THREADS)
+ av_log(avctx, AV_LOG_WARNING,
+ "Application has requested %d threads. Using a thread count greater than %d is not recommended.\n",
+ avctx->thread_count, MAX_AUTO_THREADS);
}
int ff_thread_init(AVCodecContext *avctx)
projects / ffmpeg / blobdiff