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sink_buffer: make opaque argument optional.

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This commit is contained in:
Nicolas George 2012-06-24 23:28:29 +02:00
parent a2bd8a9384
commit 784675ca91
1 changed files with 20 additions and 16 deletions
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36
libavfilter/sink_buffer.c
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@ -231,24 +231,25 @@ static void filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
static av_cold int asink_init(AVFilterContext *ctx, const char *args, void *opaque)
{
BufferSinkContext *buf = ctx->priv;
AVABufferSinkParams *params;
AVABufferSinkParams *params = opaque;
if (!opaque) {
av_log(ctx, AV_LOG_ERROR,
"No opaque field provided, an AVABufferSinkParams struct is required\n");
return AVERROR(EINVAL);
} else
params = (AVABufferSinkParams *)opaque;
buf->sample_fmts = ff_copy_int_list (params->sample_fmts);
buf->channel_layouts = ff_copy_int64_list(params->channel_layouts);
if (!buf->sample_fmts || !buf->channel_layouts) {
av_freep(&buf->sample_fmts);
av_freep(&buf->channel_layouts);
return AVERROR(ENOMEM);
if (params && params->sample_fmts) {
buf->sample_fmts = ff_copy_int_list (params->sample_fmts);
if (!buf->sample_fmts)
goto fail_enomem;
}
if (params && params->channel_layouts) {
buf->channel_layouts = ff_copy_int64_list(params->channel_layouts);
if (!buf->channel_layouts)
goto fail_enomem;
}
if (!common_init(ctx))
return 0;
return common_init(ctx);
fail_enomem:
av_freep(&buf->sample_fmts);
av_freep(&buf->channel_layouts);
return AVERROR(ENOMEM);
}
static av_cold void asink_uninit(AVFilterContext *ctx)
@ -266,14 +267,17 @@ static int asink_query_formats(AVFilterContext *ctx)
AVFilterFormats *formats = NULL;
AVFilterChannelLayouts *layouts = NULL;
if (buf->sample_fmts) {
if (!(formats = ff_make_format_list(buf->sample_fmts)))
return AVERROR(ENOMEM);
ff_set_common_formats(ctx, formats);
}
if (buf->channel_layouts) {
if (!(layouts = avfilter_make_format64_list(buf->channel_layouts)))
return AVERROR(ENOMEM);
ff_set_common_channel_layouts(ctx, layouts);
ff_set_common_samplerates (ctx, ff_all_samplerates());
}
return 0;
}