#include "libavutil/avassert.h"
#include "libavutil/audioconvert.h"
+#include "libavutil/common.h"
#include "audio.h"
#include "avfilter.h"
int nb_channels = av_get_channel_layout_nb_channels(link->channel_layout);
int planes = planar ? nb_channels : 1;
int linesize;
+ int full_perms = AV_PERM_READ | AV_PERM_WRITE | AV_PERM_PRESERVE |
+ AV_PERM_REUSE | AV_PERM_REUSE2 | AV_PERM_ALIGN;
+
+ av_assert1(!(perms & ~(full_perms | AV_PERM_NEG_LINESIZES)));
if (!(data = av_mallocz(sizeof(*data) * planes)))
goto fail;
if (av_samples_alloc(data, &linesize, nb_channels, nb_samples, link->format, 0) < 0)
goto fail;
- samplesref = avfilter_get_audio_buffer_ref_from_arrays(data, linesize, perms,
+ samplesref = avfilter_get_audio_buffer_ref_from_arrays(data, linesize, full_perms,
nb_samples, link->format,
link->channel_layout);
if (!samplesref)
int ff_filter_samples_framed(AVFilterLink *link, AVFilterBufferRef *samplesref)
{
int (*filter_samples)(AVFilterLink *, AVFilterBufferRef *);
+ AVFilterPad *src = link->srcpad;
AVFilterPad *dst = link->dstpad;
int64_t pts;
AVFilterBufferRef *buf_out;
if (!(filter_samples = dst->filter_samples))
filter_samples = default_filter_samples;
+ av_assert1((samplesref->perms & src->min_perms) == src->min_perms);
+ samplesref->perms &= ~ src->rej_perms;
+
/* prepare to copy the samples if the buffer has insufficient permissions */
if ((dst->min_perms & samplesref->perms) != dst->min_perms ||
dst->rej_perms & samplesref->perms) {
buf_out = ff_default_get_audio_buffer(link, dst->min_perms,
samplesref->audio->nb_samples);
+ if (!buf_out) {
+ avfilter_unref_buffer(samplesref);
+ return AVERROR(ENOMEM);
+ }
buf_out->pts = samplesref->pts;
buf_out->audio->sample_rate = samplesref->audio->sample_rate;