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Diffstat (limited to 'apps/codecs/libwmapro/wma.c')
-rw-r--r--apps/codecs/libwmapro/wma.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/apps/codecs/libwmapro/wma.c b/apps/codecs/libwmapro/wma.c
index b1b1268eea..b606f59dbf 100644
--- a/apps/codecs/libwmapro/wma.c
+++ b/apps/codecs/libwmapro/wma.c
@@ -469,62 +469,6 @@ unsigned int ff_wma_get_large_val(GetBitContext* gb)
469 */ 469 */
470int ff_wma_run_level_decode(AVCodecContext* avctx, GetBitContext* gb, 470int ff_wma_run_level_decode(AVCodecContext* avctx, GetBitContext* gb,
471 VLC *vlc, 471 VLC *vlc,
472 const float *level_table, const uint16_t *run_table,
473 int version, WMACoef *ptr, int offset,
474 int num_coefs, int block_len, int frame_len_bits,
475 int coef_nb_bits)
476{
477 int code, level, sign;
478 const uint32_t *ilvl = (const uint32_t*)level_table;
479 uint32_t *iptr = (uint32_t*)ptr;
480 const unsigned int coef_mask = block_len - 1;
481 for (; offset < num_coefs; offset++) {
482 code = get_vlc2(gb, vlc->table, VLCBITS, VLCMAX);
483 if (code > 1) {
484 /** normal code */
485 offset += run_table[code];
486 sign = get_bits1(gb) - 1;
487 iptr[offset & coef_mask] = ilvl[code] ^ sign<<31;
488 } else if (code == 1) {
489 /** EOB */
490 break;
491 } else {
492 /** escape */
493 if (!version) {
494 level = get_bits(gb, coef_nb_bits);
495 /** NOTE: this is rather suboptimal. reading
496 block_len_bits would be better */
497 offset += get_bits(gb, frame_len_bits);
498 } else {
499 level = ff_wma_get_large_val(gb);
500 /** escape decode */
501 if (get_bits1(gb)) {
502 if (get_bits1(gb)) {
503 if (get_bits1(gb)) {
504 av_log(avctx,AV_LOG_ERROR,
505 "broken escape sequence\n");
506 return -1;
507 } else
508 offset += get_bits(gb, frame_len_bits) + 4;
509 } else
510 offset += get_bits(gb, 2) + 1;
511 }
512 }
513 sign = get_bits1(gb) - 1;
514 ptr[offset & coef_mask] = (level^sign) - sign;
515 }
516 }
517 /** NOTE: EOB can be omitted */
518 if (offset > num_coefs) {
519 av_log(avctx, AV_LOG_ERROR, "overflow in spectral RLE, ignoring\n");
520 return -1;
521 }
522
523 return 0;
524}
525
526int ff_wma_fix_run_level_decode(AVCodecContext* avctx, GetBitContext* gb,
527 VLC *vlc,
528 const int32_t *level_table, const uint16_t *run_table, 472 const int32_t *level_table, const uint16_t *run_table,
529 int version, int32_t *ptr, int offset, 473 int version, int32_t *ptr, int offset,
530 int num_coefs, int block_len, int frame_len_bits, 474 int num_coefs, int block_len, int frame_len_bits,