static AVFilterBufferRef *copy_buffer_ref(AVFilterContext *ctx,

                                          AVFilterBufferRef *ref)

{

    AVFilterLink *outlink = ctx->outputs[0];

    AVFilterBufferRef *buf;

    int channels, data_size, i;



    switch (outlink->type) {



    case AVMEDIA_TYPE_VIDEO:

        buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,

                                        ref->video->w, ref->video->h);



        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:

        buf = ff_get_audio_buffer(outlink, AV_PERM_WRITE,

                                        ref->audio->nb_samples);



        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:


    }

    avfilter_copy_buffer_ref_props(buf, ref);

    return buf;

}
static AVFilterBufferRef *copy_buffer_ref(AVFilterContext *ctx,

                                          AVFilterBufferRef *ref)

{

    AVFilterLink *outlink = ctx->outputs[0];

    AVFilterBufferRef *buf;

    int channels, data_size, i;



    switch (outlink->type) {



    case AVMEDIA_TYPE_VIDEO:

        buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,

                                        ref->video->w, ref->video->h);



        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:

        buf = ff_get_audio_buffer(outlink, AV_PERM_WRITE,

                                        ref->audio->nb_samples);



        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:


    }

    avfilter_copy_buffer_ref_props(buf, ref);

    return buf;

}
static AVFilterBufferRef *FUNC_0(AVFilterContext *ctx,

                                          AVFilterBufferRef *ref)

{

    AVFilterLink *outlink = ctx->outputs[0];

    AVFilterBufferRef *buf;

    int VAR_0, VAR_1, VAR_2;



    switch (outlink->type) {



    case AVMEDIA_TYPE_VIDEO:

        buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,

                                        ref->video->w, ref->video->h);



        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:

        buf = ff_get_audio_buffer(outlink, AV_PERM_WRITE,

                                        ref->audio->nb_samples);



        VAR_0 = 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,

                        VAR_0,

                        ref->format);

        break;



    default:


    }

    avfilter_copy_buffer_ref_props(buf, ref);

    return buf;

}
static AVFilterBufferRef *FUNC_0(AVFilterContext *ctx,
AVFilterBufferRef *ref)
{ AVFilterLink *outlink = ctx->outputs[0]; AVFilterBufferRef *buf; int VAR_0, VAR_1, VAR_2; switch (outlink->type) { case AVMEDIA_TYPE_VIDEO:
buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
ref->video->w, ref->video->h); 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:
buf = ff_get_audio_buffer(outlink, AV_PERM_WRITE,
ref->audio->nb_samples); VAR_0 = 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,
VAR_0,
ref->format); break; default:
} avfilter_copy_buffer_ref_props(buf, ref); return buf; }