Function encode_frame

libavcodec/sgienc.c:94–257

}

static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                        const AVFrame *frame, int *got_packet)
{
    SgiContext *s = avctx->priv_data;
    const AVFrame * const p = frame;
    PutByteContext pbc;
    uint8_t *encode_buf;
    int x, y, z, length, tablesize, ret, i;
    unsigned int width, height, depth, dimension;
    unsigned int bytes_per_channel, pixmax, put_be;

    width  = avctx->width;
    height = avctx->height;
    bytes_per_channel = 1;
    pixmax = 0xFF;
    put_be = HAVE_BIGENDIAN;

    switch (avctx->pix_fmt) {
    case AV_PIX_FMT_GRAY8:
        dimension = SGI_SINGLE_CHAN;
        depth     = SGI_GRAYSCALE;
        break;
    case AV_PIX_FMT_RGB24:
        dimension = SGI_MULTI_CHAN;
        depth     = SGI_RGB;
        break;
    case AV_PIX_FMT_RGBA:
        dimension = SGI_MULTI_CHAN;
        depth     = SGI_RGBA;
        break;
    case AV_PIX_FMT_GRAY16LE:
        put_be = !HAVE_BIGENDIAN;
    case AV_PIX_FMT_GRAY16BE:
        bytes_per_channel = 2;
        pixmax = 0xFFFF;
        dimension = SGI_SINGLE_CHAN;
        depth     = SGI_GRAYSCALE;
        break;
    case AV_PIX_FMT_RGB48LE:
        put_be = !HAVE_BIGENDIAN;
    case AV_PIX_FMT_RGB48BE:
        bytes_per_channel = 2;
        pixmax = 0xFFFF;
        dimension = SGI_MULTI_CHAN;
        depth     = SGI_RGB;
        break;
    case AV_PIX_FMT_RGBA64LE:
        put_be = !HAVE_BIGENDIAN;
    case AV_PIX_FMT_RGBA64BE:
        bytes_per_channel = 2;
        pixmax = 0xFFFF;
        dimension = SGI_MULTI_CHAN;
        depth     = SGI_RGBA;
        break;
    default:
        return AVERROR_INVALIDDATA;
    }