Function ff_videotoolbox_alloc_frame

libavcodec/videotoolbox.c:150–178

}

int ff_videotoolbox_alloc_frame(AVCodecContext *avctx, AVFrame *frame)
{
    size_t      size = sizeof(VTHWFrame);
    uint8_t    *data = NULL;
    AVBufferRef *buf = NULL;
    int ret = ff_attach_decode_data(frame);
    FrameDecodeData *fdd;
    if (ret < 0)
        return ret;

    data = av_mallocz(size);
    if (!data)
        return AVERROR(ENOMEM);
    buf = av_buffer_create(data, size, videotoolbox_buffer_release, NULL, 0);
    if (!buf) {
        av_freep(&data);
        return AVERROR(ENOMEM);
    }
    frame->buf[0] = buf;

    fdd = frame->private_ref;
    fdd->post_process = videotoolbox_postproc_frame;

    frame->width  = avctx->width;
    frame->height = avctx->height;
    frame->format = avctx->pix_fmt;

    return 0;
}

#define AV_W8(p, v) *(p) = (v)