/*
+ * Copyright 2011 Stefano Sabatini | stefasab at gmail.com
+ *
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
*/
#include "avcodec.h"
+#include "libavutil/avassert.h"
#include "libavutil/opt.h"
+int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
+{
+ dst->pts = src->pts;
+ dst->pos = av_frame_get_pkt_pos(src);
+ dst->format = src->format;
+
+ 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);
+ }
+
+ return 0;
+}
+
AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame,
int perms)
{
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms)
{
- AVFilterBufferRef *picref =
+ AVFilterBufferRef *samplesref =
avfilter_get_audio_buffer_ref_from_arrays((uint8_t **)frame->data, frame->linesize[0], perms,
frame->nb_samples, frame->format,
av_frame_get_channel_layout(frame));
- if (!picref)
+ if (!samplesref)
return NULL;
- avfilter_copy_frame_props(picref, frame);
- return picref;
+ avfilter_copy_frame_props(samplesref, frame);
+ return samplesref;
}
-int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
- const AVFilterBufferRef *samplesref)
+AVFilterBufferRef *avfilter_get_buffer_ref_from_frame(enum AVMediaType type,
+ const AVFrame *frame,
+ int perms)
{
- if (!samplesref || !samplesref->audio || !frame)
+ switch (type) {
+ case AVMEDIA_TYPE_VIDEO:
+ return avfilter_get_video_buffer_ref_from_frame(frame, perms);
+ case AVMEDIA_TYPE_AUDIO:
+ return avfilter_get_audio_buffer_ref_from_frame(frame, perms);
+ default:
+ return NULL;
+ }
+}
+
+int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src)
+{
+ int planes, nb_channels;
+
+ if (!dst)
return AVERROR(EINVAL);
+ /* abort in case the src is NULL and dst is not, avoid inconsistent state in dst */
+ av_assert0(src);
+
+ memcpy(dst->data, src->data, sizeof(dst->data));
+ memcpy(dst->linesize, src->linesize, sizeof(dst->linesize));
+
+ dst->pts = src->pts;
+ dst->format = src->format;
+ av_frame_set_pkt_pos(dst, src->pos);
- memcpy(frame->data, samplesref->data, sizeof(frame->data));
- frame->pkt_pos = samplesref->pos;
- frame->format = samplesref->format;
- frame->nb_samples = samplesref->audio->nb_samples;
- frame->pts = samplesref->pts;
+ switch (src->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ av_assert0(src->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;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ av_assert0(src->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->nb_samples = src->audio->nb_samples;
+ av_frame_set_sample_rate (dst, src->audio->sample_rate);
+ av_frame_set_channel_layout(dst, src->audio->channel_layout);
+ break;
+ default:
+ return AVERROR(EINVAL);
+ }
return 0;
}
+#ifdef FF_API_FILL_FRAME
+int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
+ const AVFilterBufferRef *samplesref)
+{
+ return avfilter_copy_buf_props(frame, samplesref);
+}
+
int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *picref)
{
- if (!picref || !picref->video || !frame)
- return AVERROR(EINVAL);
-
- memcpy(frame->data, picref->data, sizeof(frame->data));
- memcpy(frame->linesize, picref->linesize, sizeof(frame->linesize));
- frame->pkt_pos = picref->pos;
- frame->interlaced_frame = picref->video->interlaced;
- frame->top_field_first = picref->video->top_field_first;
- frame->key_frame = picref->video->key_frame;
- frame->pict_type = picref->video->pict_type;
- frame->sample_aspect_ratio = picref->video->sample_aspect_ratio;
- frame->width = picref->video->w;
- frame->height = picref->video->h;
- frame->format = picref->format;
- frame->pts = picref->pts;
-
- return 0;
+ return avfilter_copy_buf_props(frame, picref);
}
int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *ref)
{
- if (!ref)
- return AVERROR(EINVAL);
- return ref->video ? avfilter_fill_frame_from_video_buffer_ref(frame, ref)
- : avfilter_fill_frame_from_audio_buffer_ref(frame, ref);
+ return avfilter_copy_buf_props(frame, ref);
}
+#endif
projects / ffmpeg / blobdiff