#if HAVE_SCHED_GETAFFINITY
#define _GNU_SOURCE
#include <sched.h>
-#elif HAVE_GETSYSTEMINFO
+#endif
+#if HAVE_GETPROCESSAFFINITYMASK
#include <windows.h>
-#elif HAVE_SYSCTL
+#endif
+#if HAVE_SYSCTL
+#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
#include <sys/types.h>
#include <sys/sysctl.h>
#endif
+#if HAVE_SYSCONF
+#include <unistd.h>
+#endif
#include "avcodec.h"
#include "internal.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);
ret = sysctl(mib, 2, &nb_cpus, &len, NULL, 0);
if (ret == -1)
nb_cpus = 0;
+#elif HAVE_SYSCONF && defined(_SC_NPROC_ONLN)
+ nb_cpus = sysconf(_SC_NPROC_ONLN);
+#elif HAVE_SYSCONF && defined(_SC_NPROCESSORS_ONLN)
+ 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) {
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->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
}
*/
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;
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,
if (i) {
av_freep(&p->avctx->priv_data);
av_freep(&p->avctx->internal);
+ av_freep(&p->avctx->slice_offset);
}
av_freep(&p->avctx);
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)
fctx->next_decoding = fctx->next_finished = 0;
fctx->delaying = 1;
fctx->prev_thread = NULL;
+ // Make sure decode flush calls with size=0 won't return old frames
+ for (int i = 0; i < avctx->thread_count; i++)
+ fctx->threads[i].got_frame = 0;
}
static int *allocate_progress(PerThreadContext *p)
} 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;
}
}