Function get_format

fftools/ffmpeg_dec.c:1320–1360

}

static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
{
    DecoderPriv  *dp = s->opaque;
    const enum AVPixelFormat *p;
    int ret;

    ret = multiview_setup(dp, s);
    if (ret < 0) {
        av_log(dp, AV_LOG_ERROR, "Error setting up multiview decoding: %s\n",
               av_err2str(ret));
        return AV_PIX_FMT_NONE;
    }

    for (p = pix_fmts; *p != AV_PIX_FMT_NONE; p++) {
        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
        const AVCodecHWConfig  *config = NULL;

        if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
            break;

        if (dp->hwaccel_id == HWACCEL_GENERIC ||
            dp->hwaccel_id == HWACCEL_AUTO) {
            for (int i = 0;; i++) {
                config = avcodec_get_hw_config(s->codec, i);
                if (!config)
                    break;
                if (!(config->methods &
                      AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX))
                    continue;
                if (config->pix_fmt == *p)
                    break;
            }
        }
        if (config && config->device_type == dp->hwaccel_device_type) {
            dp->hwaccel_pix_fmt = *p;
            break;
        }
    }

    return *p;
}

static int get_buffer(AVCodecContext *dec_ctx, AVFrame *frame, int flags)
{