- dprintf(avctx, "resolution = %i\n", sconf->resolution);
- dprintf(avctx, "floating = %i\n", sconf->floating);
- dprintf(avctx, "frame_length = %i\n", sconf->frame_length);
- dprintf(avctx, "ra_distance = %i\n", sconf->ra_distance);
- dprintf(avctx, "ra_flag = %i\n", sconf->ra_flag);
- dprintf(avctx, "adapt_order = %i\n", sconf->adapt_order);
- dprintf(avctx, "coef_table = %i\n", sconf->coef_table);
- dprintf(avctx, "long_term_prediction = %i\n", sconf->long_term_prediction);
- dprintf(avctx, "max_order = %i\n", sconf->max_order);
- dprintf(avctx, "block_switching = %i\n", sconf->block_switching);
- dprintf(avctx, "bgmc = %i\n", sconf->bgmc);
- dprintf(avctx, "sb_part = %i\n", sconf->sb_part);
- dprintf(avctx, "joint_stereo = %i\n", sconf->joint_stereo);
- dprintf(avctx, "mc_coding = %i\n", sconf->mc_coding);
- dprintf(avctx, "chan_config = %i\n", sconf->chan_config);
- dprintf(avctx, "chan_sort = %i\n", sconf->chan_sort);
- dprintf(avctx, "RLSLMS = %i\n", sconf->rlslms);
- dprintf(avctx, "chan_config_info = %i\n", sconf->chan_config_info);
+ ff_dlog(avctx, "resolution = %i\n", sconf->resolution);
+ ff_dlog(avctx, "floating = %i\n", sconf->floating);
+ ff_dlog(avctx, "frame_length = %i\n", sconf->frame_length);
+ ff_dlog(avctx, "ra_distance = %i\n", sconf->ra_distance);
+ ff_dlog(avctx, "ra_flag = %i\n", sconf->ra_flag);
+ ff_dlog(avctx, "adapt_order = %i\n", sconf->adapt_order);
+ ff_dlog(avctx, "coef_table = %i\n", sconf->coef_table);
+ ff_dlog(avctx, "long_term_prediction = %i\n", sconf->long_term_prediction);
+ ff_dlog(avctx, "max_order = %i\n", sconf->max_order);
+ ff_dlog(avctx, "block_switching = %i\n", sconf->block_switching);
+ ff_dlog(avctx, "bgmc = %i\n", sconf->bgmc);
+ ff_dlog(avctx, "sb_part = %i\n", sconf->sb_part);
+ ff_dlog(avctx, "joint_stereo = %i\n", sconf->joint_stereo);
+ ff_dlog(avctx, "mc_coding = %i\n", sconf->mc_coding);
+ ff_dlog(avctx, "chan_config = %i\n", sconf->chan_config);
+ ff_dlog(avctx, "chan_sort = %i\n", sconf->chan_sort);
+ ff_dlog(avctx, "RLSLMS = %i\n", sconf->rlslms);
+ ff_dlog(avctx, "chan_config_info = %i\n", sconf->chan_config_info);
- MISSING_ERR(sconf->floating, "Floating point decoding", -1);
- MISSING_ERR(sconf->rlslms, "Adaptive RLS-LMS prediction", -1);
- MISSING_ERR(sconf->chan_sort, "Channel sorting", 0);
+ MISSING_ERR(sconf->floating, "Floating point decoding", AVERROR_PATCHWELCOME);
+ MISSING_ERR(sconf->rlslms, "Adaptive RLS-LMS prediction", AVERROR_PATCHWELCOME);
+ MISSING_ERR(sconf->chan_sort, "Channel sorting", 0);
- if(read_decode_block(ctx, &bd[0]) || read_decode_block(ctx, &bd[1])) {
- // damaged block, write zero for the rest of the frame
- zero_remaining(b, ctx->num_blocks, div_blocks, bd[0].raw_samples);
- zero_remaining(b, ctx->num_blocks, div_blocks, bd[1].raw_samples);
- return -1;
- }
+ if ((ret = read_decode_block(ctx, &bd[0])) < 0 ||
+ (ret = read_decode_block(ctx, &bd[1])) < 0)
+ goto fail;
- current->weighting[0] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
- current->weighting[1] = mcc_weightings[av_clip(decode_rice(gb, 2) + 14, 0, 32)];
- current->weighting[2] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
+ current->weighting[0] = als_weighting(gb, 1, 16);
+ current->weighting[1] = als_weighting(gb, 2, 14);
+ current->weighting[2] = als_weighting(gb, 1, 16);
- current->weighting[3] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
- current->weighting[4] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
- current->weighting[5] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
+ current->weighting[3] = als_weighting(gb, 1, 16);
+ current->weighting[4] = als_weighting(gb, 1, 16);
+ current->weighting[5] = als_weighting(gb, 1, 16);
+ if (FFMIN(begin - 1, begin - 1 + t) < ctx->raw_buffer - master ||
+ FFMAX(end + 1, end + 1 + t) > ctx->raw_buffer + channels * channel_size - master) {
+ av_log(ctx->avctx, AV_LOG_ERROR,
+ "sample pointer range [%p, %p] not contained in raw_buffer [%p, %p].\n",
+ master + FFMIN(begin - 1, begin - 1 + t), master + FFMAX(end + 1, end + 1 + t),
+ ctx->raw_buffer, ctx->raw_buffer + channels * channel_size);
+ return AVERROR_INVALIDDATA;
+ }
+
+
+ if (begin - 1 < ctx->raw_buffer - master ||
+ end + 1 > ctx->raw_buffer + channels * channel_size - master) {
+ av_log(ctx->avctx, AV_LOG_ERROR,
+ "sample pointer range [%p, %p] not contained in raw_buffer [%p, %p].\n",
+ master + begin - 1, master + end + 1,
+ ctx->raw_buffer, ctx->raw_buffer + channels * channel_size);
+ return AVERROR_INVALIDDATA;
+ }
+
bd.use_ltp = ctx->use_ltp + c;
bd.ltp_lag = ctx->ltp_lag + c;
bd.ltp_gain = ctx->ltp_gain[c];
bd.lpc_cof = ctx->lpc_cof[c];
bd.quant_cof = ctx->quant_cof[c];
bd.raw_samples = ctx->raw_samples[c] + offset;
bd.use_ltp = ctx->use_ltp + c;
bd.ltp_lag = ctx->ltp_lag + c;
bd.ltp_gain = ctx->ltp_gain[c];
bd.lpc_cof = ctx->lpc_cof[c];
bd.quant_cof = ctx->quant_cof[c];
bd.raw_samples = ctx->raw_samples[c] + offset;
- // check for size of decoded data
- size = ctx->cur_frame_length * avctx->channels *
- (av_get_bits_per_sample_format(avctx->sample_fmt) >> 3);
-
- if (size > *data_size) {
- av_log(avctx, AV_LOG_ERROR, "Decoded data exceeds buffer size.\n");
- return -1;
+ /* get output buffer */
+ frame->nb_samples = ctx->cur_frame_length;
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
-AVCodec als_decoder = {
- "als",
- AVMEDIA_TYPE_AUDIO,
- CODEC_ID_MP4ALS,
- sizeof(ALSDecContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- .flush = flush,
- .capabilities = CODEC_CAP_SUBFRAMES,
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 Audio Lossless Coding (ALS)"),
+AVCodec ff_als_decoder = {
+ .name = "als",
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 Audio Lossless Coding (ALS)"),
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = AV_CODEC_ID_MP4ALS,
+ .priv_data_size = sizeof(ALSDecContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .flush = flush,
+ .capabilities = AV_CODEC_CAP_SUBFRAMES | AV_CODEC_CAP_DR1,