Function encode_frame

libavcodec/asvenc.c:293–371

}

static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                        const AVFrame *pict, int *got_packet)
{
    ASVEncContext *const a = avctx->priv_data;
    const ASVCommonContext *const c = &a->c;
    int size, ret;

    ret = ff_alloc_packet(avctx, pkt, c->mb_height * c->mb_width * MAX_MB_SIZE + 3);
    if (ret < 0)
        return ret;

    if (!PIXBLOCKDSP_8BPP_GET_PIXELS_SUPPORTS_UNALIGNED &&
        ((uintptr_t)pict->data[0] & 7 || pict->linesize[0] & 7 ||
         (uintptr_t)pict->data[1] & 7 || pict->linesize[1] & 7 ||
         (uintptr_t)pict->data[2] & 7 || pict->linesize[2] & 7))
        a->get_pixels = a->pdsp.get_pixels_unaligned;
    else
        a->get_pixels = a->pdsp.get_pixels;

    init_put_bits(&a->pb, pkt->data, pkt->size);

    for (int mb_y = 0; mb_y < c->mb_height2; mb_y++) {
        for (int mb_x = 0; mb_x < c->mb_width2; mb_x++) {
            dct_get(a, pict, mb_x, mb_y);
            encode_mb(a, a->block);
        }
    }

    if (avctx->width & 15) {
        const uint8_t *src[3] = {
            pict->data[0] + c->mb_width2 * 16,
            pict->data[1] + c->mb_width2 *  8,
            pict->data[2] + c->mb_width2 *  8,
        };
        int available_width = avctx->width & 15;

        for (int mb_y = 0; mb_y < c->mb_height2; mb_y++) {
            handle_partial_mb(a, src, pict->linesize, available_width, 16);
            src[0] += 16 * pict->linesize[0];
            src[1] +=  8 * pict->linesize[1];
            src[2] +=  8 * pict->linesize[2];
        }
    }

    if (avctx->height & 15) {
        const uint8_t *src[3] = {
            pict->data[0] + c->mb_height2 * 16 * pict->linesize[0],
            pict->data[1] + c->mb_height2 *  8 * pict->linesize[1],
            pict->data[2] + c->mb_height2 *  8 * pict->linesize[2],
        };
        int available_height = avctx->height & 15;

        for (int remaining = avctx->width;; remaining -= 16) {
            handle_partial_mb(a, src, pict->linesize, remaining, available_height);
            if (remaining <= 16)
                break;
            src[0] += 16;
            src[1] +=  8;