/*
- * This file is part of Libav.
+ * Copyright Stefano Sabatini <stefasab gmail com>
+ * Copyright Anton Khirnov <anton khirnov net>
+ * Copyright Michael Niedermayer <michaelni gmx at>
*
- * Libav is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/channel_layout.h"
+#include "libavutil/avassert.h"
#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
#include "libavcodec/avcodec.h"
#include "avfilter.h"
#include "internal.h"
+#include "audio.h"
+#include "avcodec.h"
-/* TODO: buffer pool. see comment for avfilter_default_get_video_buffer() */
void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr)
{
if (ptr->extended_data != ptr->data)
av_free(ptr);
}
+static void copy_video_props(AVFilterBufferRefVideoProps *dst, AVFilterBufferRefVideoProps *src) {
+ *dst = *src;
+ if (src->qp_table) {
+ int qsize = src->qp_table_size;
+ dst->qp_table = av_malloc(qsize);
+ memcpy(dst->qp_table, src->qp_table, qsize);
+ }
+}
+
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
{
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
if (!ret)
return NULL;
*ret = *ref;
+
+ ret->metadata = NULL;
+ av_dict_copy(&ret->metadata, ref->metadata, 0);
+
if (ref->type == AVMEDIA_TYPE_VIDEO) {
ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps));
if (!ret->video) {
av_free(ret);
return NULL;
}
- *ret->video = *ref->video;
+ copy_video_props(ret->video, ref->video);
ret->extended_data = ret->data;
} else if (ref->type == AVMEDIA_TYPE_AUDIO) {
ret->audio = av_malloc(sizeof(AVFilterBufferRefAudioProps));
}
*ret->audio = *ref->audio;
- if (ref->extended_data != ref->data) {
+ if (ref->extended_data && ref->extended_data != ref->data) {
int nb_channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout);
if (!(ret->extended_data = av_malloc(sizeof(*ret->extended_data) *
nb_channels))) {
return ret;
}
+void ff_free_pool(AVFilterPool *pool)
+{
+ int i;
+
+ av_assert0(pool->refcount > 0);
+
+ for (i = 0; i < POOL_SIZE; i++) {
+ if (pool->pic[i]) {
+ AVFilterBufferRef *picref = pool->pic[i];
+ /* free buffer: picrefs stored in the pool are not
+ * supposed to contain a free callback */
+ av_assert0(!picref->buf->refcount);
+ av_freep(&picref->buf->data[0]);
+ av_freep(&picref->buf);
+
+ av_freep(&picref->audio);
+ av_assert0(!picref->video || !picref->video->qp_table);
+ av_freep(&picref->video);
+ av_freep(&pool->pic[i]);
+ pool->count--;
+ }
+ }
+ pool->draining = 1;
+
+ if (!--pool->refcount) {
+ av_assert0(!pool->count);
+ av_free(pool);
+ }
+}
+
+static void store_in_pool(AVFilterBufferRef *ref)
+{
+ int i;
+ AVFilterPool *pool= ref->buf->priv;
+
+ av_assert0(ref->buf->data[0]);
+ av_assert0(pool->refcount>0);
+
+ if (ref->video)
+ av_freep(&ref->video->qp_table);
+
+ if (pool->count == POOL_SIZE) {
+ AVFilterBufferRef *ref1 = pool->pic[0];
+ av_freep(&ref1->video);
+ av_freep(&ref1->audio);
+ av_freep(&ref1->buf->data[0]);
+ av_freep(&ref1->buf);
+ av_free(ref1);
+ memmove(&pool->pic[0], &pool->pic[1], sizeof(void*)*(POOL_SIZE-1));
+ pool->count--;
+ pool->pic[POOL_SIZE-1] = NULL;
+ }
+
+ for (i = 0; i < POOL_SIZE; i++) {
+ if (!pool->pic[i]) {
+ pool->pic[i] = ref;
+ pool->count++;
+ break;
+ }
+ }
+ if (pool->draining) {
+ ff_free_pool(pool);
+ } else
+ --pool->refcount;
+}
+
void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
- if (!(--ref->buf->refcount))
+ av_assert0(ref->buf->refcount > 0);
+ if (!(--ref->buf->refcount)) {
+ if (!ref->buf->free) {
+ store_in_pool(ref);
+ return;
+ }
ref->buf->free(ref->buf);
+ }
if (ref->extended_data != ref->data)
av_freep(&ref->extended_data);
- av_free(ref->video);
- av_free(ref->audio);
+ if (ref->video)
+ av_freep(&ref->video->qp_table);
+ av_freep(&ref->video);
+ av_freep(&ref->audio);
+ av_dict_free(&ref->metadata);
av_free(ref);
}
*ref = NULL;
}
-int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
+void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
{
- dst->pts = src->pts;
- dst->format = src->format;
+ // copy common properties
+ dst->pts = src->pts;
+ dst->pos = src->pos;
- switch (dst->type) {
- case AVMEDIA_TYPE_VIDEO:
- dst->video->w = src->width;
- dst->video->h = src->height;
- dst->video->pixel_aspect = src->sample_aspect_ratio;
- dst->video->interlaced = src->interlaced_frame;
- dst->video->top_field_first = src->top_field_first;
- dst->video->key_frame = src->key_frame;
- dst->video->pict_type = src->pict_type;
- break;
- case AVMEDIA_TYPE_AUDIO:
- dst->audio->sample_rate = src->sample_rate;
- dst->audio->channel_layout = src->channel_layout;
+ switch (src->type) {
+ case AVMEDIA_TYPE_VIDEO: {
+ if (dst->video->qp_table)
+ av_freep(&dst->video->qp_table);
+ copy_video_props(dst->video, src->video);
break;
- default:
- return AVERROR(EINVAL);
+ }
+ case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
+ default: break;
}
- return 0;
+ av_dict_free(&dst->metadata);
+ av_dict_copy(&dst->metadata, src->metadata, 0);
}
-int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src)
+AVFilterBufferRef *ff_copy_buffer_ref(AVFilterLink *outlink,
+ AVFilterBufferRef *ref)
{
- int planes, nb_channels;
-
- memcpy(dst->data, src->data, sizeof(dst->data));
- memcpy(dst->linesize, src->linesize, sizeof(dst->linesize));
+ AVFilterBufferRef *buf;
+ int channels;
- dst->pts = src->pts;
- dst->format = src->format;
+ switch (outlink->type) {
- switch (src->type) {
case AVMEDIA_TYPE_VIDEO:
- dst->width = src->video->w;
- dst->height = src->video->h;
- dst->sample_aspect_ratio = src->video->pixel_aspect;
- dst->interlaced_frame = src->video->interlaced;
- dst->top_field_first = src->video->top_field_first;
- dst->key_frame = src->video->key_frame;
- dst->pict_type = src->video->pict_type;
+ buf = ff_get_video_buffer(outlink, AV_PERM_WRITE,
+ ref->video->w, ref->video->h);
+ if(!buf)
+ return NULL;
+ av_image_copy(buf->data, buf->linesize,
+ (void*)ref->data, ref->linesize,
+ ref->format, ref->video->w, ref->video->h);
break;
- case AVMEDIA_TYPE_AUDIO:
- nb_channels = av_get_channel_layout_nb_channels(src->audio->channel_layout);
- planes = av_sample_fmt_is_planar(src->format) ? nb_channels : 1;
-
- if (planes > FF_ARRAY_ELEMS(dst->data)) {
- dst->extended_data = av_mallocz(planes * sizeof(*dst->extended_data));
- if (!dst->extended_data)
- return AVERROR(ENOMEM);
- memcpy(dst->extended_data, src->extended_data,
- planes * sizeof(*dst->extended_data));
- } else
- dst->extended_data = dst->data;
- dst->sample_rate = src->audio->sample_rate;
- dst->channel_layout = src->audio->channel_layout;
- dst->nb_samples = src->audio->nb_samples;
+ case AVMEDIA_TYPE_AUDIO:
+ buf = ff_get_audio_buffer(outlink, AV_PERM_WRITE,
+ ref->audio->nb_samples);
+ if(!buf)
+ return NULL;
+ channels = av_get_channel_layout_nb_channels(ref->audio->channel_layout);
+ av_samples_copy(buf->extended_data, ref->buf->extended_data,
+ 0, 0, ref->audio->nb_samples,
+ channels,
+ ref->format);
break;
- default:
- return AVERROR(EINVAL);
- }
-
- return 0;
-}
-
-void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
-{
- // copy common properties
- dst->pts = src->pts;
- dst->pos = src->pos;
- switch (src->type) {
- case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
- case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
- default: break;
+ default:
+ return NULL;
}
+ avfilter_copy_buffer_ref_props(buf, ref);
+ return buf;
}
projects / ffmpeg / blobdiff