#include "libavutil/audioconvert.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"
void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr)
*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->pos = av_frame_get_pkt_pos(src);
- 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->sample_aspect_ratio = 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;
- break;
- default:
- return AVERROR(EINVAL);
+ switch (src->type) {
+ case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
+ case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
+ default: break;
}
-
- return 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->sample_aspect_ratio;
- 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;
}