2012-05-10 07:58:11 +02:00
|
|
|
/*
|
2012-05-22 21:19:24 +02:00
|
|
|
* Copyright Stefano Sabatini <stefasab gmail com>
|
|
|
|
* Copyright Anton Khirnov <anton khirnov net>
|
|
|
|
* Copyright Michael Niedermayer <michaelni gmx at>
|
|
|
|
*
|
2012-05-16 02:27:31 +02:00
|
|
|
* This file is part of FFmpeg.
|
2012-05-10 07:58:11 +02:00
|
|
|
*
|
2012-05-16 02:27:31 +02:00
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
2012-05-10 07:58:11 +02:00
|
|
|
* 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.
|
|
|
|
*
|
2012-05-16 02:27:31 +02:00
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
2012-05-10 07:58:11 +02:00
|
|
|
* 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
|
2012-05-16 02:27:31 +02:00
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
2012-05-10 07:58:11 +02:00
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "libavutil/audioconvert.h"
|
2012-05-16 02:27:31 +02:00
|
|
|
#include "libavutil/avassert.h"
|
2012-08-06 15:49:32 +02:00
|
|
|
#include "libavutil/common.h"
|
2012-07-19 11:14:04 +02:00
|
|
|
#include "libavutil/imgutils.h"
|
2012-05-10 07:58:11 +02:00
|
|
|
#include "libavcodec/avcodec.h"
|
|
|
|
|
|
|
|
#include "avfilter.h"
|
|
|
|
#include "internal.h"
|
2012-07-19 11:14:04 +02:00
|
|
|
#include "audio.h"
|
2012-05-16 02:27:31 +02:00
|
|
|
#include "avcodec.h"
|
2012-05-10 07:58:11 +02:00
|
|
|
|
|
|
|
void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr)
|
|
|
|
{
|
|
|
|
if (ptr->extended_data != ptr->data)
|
|
|
|
av_freep(&ptr->extended_data);
|
|
|
|
av_free(ptr->data[0]);
|
|
|
|
av_free(ptr);
|
|
|
|
}
|
|
|
|
|
2012-09-07 03:24:55 +02:00
|
|
|
static void copy_video_props(AVFilterBufferRefVideoProps *dst, AVFilterBufferRefVideoProps *src) {
|
|
|
|
*dst = *src;
|
|
|
|
if (src->qp_table) {
|
2012-09-07 13:00:47 +02:00
|
|
|
int qsize = src->qp_table_size;
|
2012-09-07 03:24:55 +02:00
|
|
|
dst->qp_table = av_malloc(qsize);
|
|
|
|
memcpy(dst->qp_table, src->qp_table, qsize);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-05-10 07:58:11 +02:00
|
|
|
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
|
|
|
|
{
|
|
|
|
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
|
|
|
|
if (!ret)
|
|
|
|
return NULL;
|
|
|
|
*ret = *ref;
|
2012-10-16 23:49:03 +02:00
|
|
|
|
|
|
|
ret->metadata = NULL;
|
|
|
|
av_dict_copy(&ret->metadata, ref->metadata, 0);
|
|
|
|
|
2012-05-10 07:58:11 +02:00
|
|
|
if (ref->type == AVMEDIA_TYPE_VIDEO) {
|
|
|
|
ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps));
|
|
|
|
if (!ret->video) {
|
|
|
|
av_free(ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
2012-09-07 03:24:55 +02:00
|
|
|
copy_video_props(ret->video, ref->video);
|
2012-05-10 07:58:11 +02:00
|
|
|
ret->extended_data = ret->data;
|
|
|
|
} else if (ref->type == AVMEDIA_TYPE_AUDIO) {
|
|
|
|
ret->audio = av_malloc(sizeof(AVFilterBufferRefAudioProps));
|
|
|
|
if (!ret->audio) {
|
|
|
|
av_free(ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
*ret->audio = *ref->audio;
|
|
|
|
|
2012-05-16 02:27:31 +02:00
|
|
|
if (ref->extended_data && ref->extended_data != ref->data) {
|
2012-05-10 07:58:11 +02:00
|
|
|
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))) {
|
|
|
|
av_freep(&ret->audio);
|
|
|
|
av_freep(&ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
memcpy(ret->extended_data, ref->extended_data,
|
|
|
|
sizeof(*ret->extended_data) * nb_channels);
|
|
|
|
} else
|
|
|
|
ret->extended_data = ret->data;
|
|
|
|
}
|
|
|
|
ret->perms &= pmask;
|
|
|
|
ret->buf->refcount ++;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2012-05-16 02:27:31 +02:00
|
|
|
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);
|
2012-09-05 04:41:22 +02:00
|
|
|
av_assert0(!picref->video || !picref->video->qp_table);
|
2012-05-16 02:27:31 +02:00
|
|
|
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);
|
|
|
|
|
2012-09-05 04:41:22 +02:00
|
|
|
if (ref->video)
|
|
|
|
av_freep(&ref->video->qp_table);
|
|
|
|
|
2012-05-16 02:27:31 +02:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2012-05-10 07:58:11 +02:00
|
|
|
void avfilter_unref_buffer(AVFilterBufferRef *ref)
|
|
|
|
{
|
|
|
|
if (!ref)
|
|
|
|
return;
|
2012-05-16 02:27:31 +02:00
|
|
|
av_assert0(ref->buf->refcount > 0);
|
|
|
|
if (!(--ref->buf->refcount)) {
|
|
|
|
if (!ref->buf->free) {
|
|
|
|
store_in_pool(ref);
|
|
|
|
return;
|
|
|
|
}
|
2012-05-10 07:58:11 +02:00
|
|
|
ref->buf->free(ref->buf);
|
2012-05-16 02:27:31 +02:00
|
|
|
}
|
2012-05-10 07:58:11 +02:00
|
|
|
if (ref->extended_data != ref->data)
|
|
|
|
av_freep(&ref->extended_data);
|
2012-09-05 04:41:22 +02:00
|
|
|
if (ref->video)
|
|
|
|
av_freep(&ref->video->qp_table);
|
2012-05-16 02:27:31 +02:00
|
|
|
av_freep(&ref->video);
|
|
|
|
av_freep(&ref->audio);
|
2012-10-16 23:49:03 +02:00
|
|
|
av_dict_free(&ref->metadata);
|
2012-05-10 07:58:11 +02:00
|
|
|
av_free(ref);
|
|
|
|
}
|
|
|
|
|
2012-05-16 02:27:31 +02:00
|
|
|
void avfilter_unref_bufferp(AVFilterBufferRef **ref)
|
|
|
|
{
|
|
|
|
avfilter_unref_buffer(*ref);
|
|
|
|
*ref = NULL;
|
|
|
|
}
|
|
|
|
|
2012-05-10 07:58:11 +02:00
|
|
|
void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
|
|
|
|
{
|
|
|
|
// copy common properties
|
|
|
|
dst->pts = src->pts;
|
|
|
|
dst->pos = src->pos;
|
|
|
|
|
|
|
|
switch (src->type) {
|
2012-09-05 04:41:22 +02:00
|
|
|
case AVMEDIA_TYPE_VIDEO: {
|
|
|
|
if (dst->video->qp_table)
|
|
|
|
av_freep(&dst->video->qp_table);
|
2012-09-07 03:24:55 +02:00
|
|
|
copy_video_props(dst->video, src->video);
|
2012-09-05 04:41:22 +02:00
|
|
|
break;
|
|
|
|
}
|
2012-05-10 07:58:11 +02:00
|
|
|
case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
|
|
|
|
default: break;
|
|
|
|
}
|
2012-10-16 23:49:03 +02:00
|
|
|
|
|
|
|
av_dict_free(&dst->metadata);
|
|
|
|
av_dict_copy(&dst->metadata, src->metadata, 0);
|
2012-05-10 07:58:11 +02:00
|
|
|
}
|
2012-07-19 11:14:04 +02:00
|
|
|
|
|
|
|
AVFilterBufferRef *ff_copy_buffer_ref(AVFilterLink *outlink,
|
|
|
|
AVFilterBufferRef *ref)
|
|
|
|
{
|
|
|
|
AVFilterBufferRef *buf;
|
|
|
|
int channels;
|
|
|
|
|
|
|
|
switch (outlink->type) {
|
|
|
|
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
|
|
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:
|
|
|
|
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 NULL;
|
|
|
|
}
|
|
|
|
avfilter_copy_buffer_ref_props(buf, ref);
|
|
|
|
return buf;
|
|
|
|
}
|