AVFilterLink *outlink = ctx->outputs[0];
static const enum AVSampleFormat sample_fmts[] = { AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_NONE };
static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_RGBA, AV_PIX_FMT_NONE };
+ int ret;
formats = ff_make_format_list(sample_fmts);
- if (!formats)
- return AVERROR(ENOMEM);
- ff_formats_ref(formats, &inlink->out_formats);
-
- ff_add_channel_layout(&layout, AV_CH_LAYOUT_STEREO);
- ff_channel_layouts_ref(layout, &inlink->out_channel_layouts);
+ if ((ret = ff_formats_ref (formats, &inlink->out_formats )) < 0 ||
+ (ret = ff_add_channel_layout (&layout, AV_CH_LAYOUT_STEREO )) < 0 ||
+ (ret = ff_channel_layouts_ref (layout , &inlink->out_channel_layouts)) < 0)
+ return ret;
formats = ff_all_samplerates();
- if (!formats)
- return AVERROR(ENOMEM);
- ff_formats_ref(formats, &inlink->out_samplerates);
+ if ((ret = ff_formats_ref(formats, &inlink->out_samplerates)) < 0)
+ return ret;
formats = ff_make_format_list(pix_fmts);
- if (!formats)
- return AVERROR(ENOMEM);
- ff_formats_ref(formats, &outlink->in_formats);
+ if ((ret = ff_formats_ref(formats, &outlink->in_formats)) < 0)
+ return ret;
return 0;
}