Esempi in C++ (Cpp) per mp_get_code

Esempio n. 1

File: motionpixels.c Progetto: zhanjx1314/vc-ffmpeg2

static int mp_get_code(MotionPixelsContext *mp, GetBitContext *gb, int size, int code)
{
    while (get_bits1(gb)) {
        ++size;
        if (size > mp->max_codes_bits) {
            av_log(mp->avctx, AV_LOG_ERROR, "invalid code size %d/%d\n", size, mp->max_codes_bits);
            return AVERROR_INVALIDDATA;
        }
        code <<= 1;
        if (mp_get_code(mp, gb, size, code + 1) < 0)
            return AVERROR_INVALIDDATA;
    }
    if (mp->current_codes_count >= MAX_HUFF_CODES) {
        av_log(mp->avctx, AV_LOG_ERROR, "too many codes\n");
        return AVERROR_INVALIDDATA;
    }

    mp->codes[mp->current_codes_count  ].code = code;
    mp->codes[mp->current_codes_count++].size = size;
    return 0;
}

Esempio n. 2

File: motionpixels.c Progetto: Bjelijah/EcamTurnH265

static int mp_read_codes_table(MotionPixelsContext *mp, GetBitContext *gb)
{
    if (mp->codes_count == 1) {
        mp->codes[0].delta = get_bits(gb, 4);
    } else {
        int i;
        int ret;

        mp->max_codes_bits = get_bits(gb, 4);
        for (i = 0; i < mp->codes_count; ++i)
            mp->codes[i].delta = get_bits(gb, 4);
        mp->current_codes_count = 0;
        if ((ret = mp_get_code(mp, gb, 0, 0)) < 0)
            return ret;
        if (mp->current_codes_count < mp->codes_count) {
            av_log(mp->avctx, AV_LOG_ERROR, "too few codes\n");
            return AVERROR_INVALIDDATA;
        }
   }
   return 0;
}