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Diffstat (limited to 'libavcodec/wmalosslessdec.c')
-rw-r--r--libavcodec/wmalosslessdec.c44
1 files changed, 21 insertions, 23 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index 7c08f1ba4c..ae350cf124 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -5,20 +5,20 @@
* Copyright (c) 2011 Andreas Ă–man
* Copyright (c) 2011 - 2012 Mashiat Sarker Shakkhar
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -123,7 +123,7 @@ typedef struct WmallDecodeCtx {
int8_t acfilter_order;
int8_t acfilter_scaling;
int64_t acfilter_coeffs[16];
- int acfilter_prevvalues[2][16];
+ int acfilter_prevvalues[WMALL_MAX_CHANNELS][16];
int8_t mclms_order;
int8_t mclms_scaling;
@@ -145,29 +145,29 @@ typedef struct WmallDecodeCtx {
int16_t lms_prevvalues[MAX_ORDER * 2];
int16_t lms_updates[MAX_ORDER * 2];
int recent;
- } cdlms[2][9];
+ } cdlms[WMALL_MAX_CHANNELS][9];
- int cdlms_ttl[2];
+ int cdlms_ttl[WMALL_MAX_CHANNELS];
int bV3RTM;
- int is_channel_coded[2];
- int update_speed[2];
+ int is_channel_coded[WMALL_MAX_CHANNELS];
+ int update_speed[WMALL_MAX_CHANNELS];
- int transient[2];
- int transient_pos[2];
+ int transient[WMALL_MAX_CHANNELS];
+ int transient_pos[WMALL_MAX_CHANNELS];
int seekable_tile;
- int ave_sum[2];
+ int ave_sum[WMALL_MAX_CHANNELS];
- int channel_residues[2][WMALL_BLOCK_MAX_SIZE];
+ int channel_residues[WMALL_MAX_CHANNELS][WMALL_BLOCK_MAX_SIZE];
- int lpc_coefs[2][40];
+ int lpc_coefs[WMALL_MAX_CHANNELS][40];
int lpc_order;
int lpc_scaling;
int lpc_intbits;
- int channel_coeffs[2][WMALL_BLOCK_MAX_SIZE];
+ int channel_coeffs[WMALL_MAX_CHANNELS][WMALL_BLOCK_MAX_SIZE];
} WmallDecodeCtx;
@@ -262,7 +262,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
avcodec_get_frame_defaults(&s->frame);
- avctx->coded_frame = &s->frame;
avctx->channel_layout = channel_mask;
return 0;
}
@@ -501,9 +500,9 @@ static int decode_channel_residues(WmallDecodeCtx *s, int ch, int tile_size)
if (s->seekable_tile) {
if (s->do_inter_ch_decorr)
- s->channel_residues[ch][0] = get_sbits(&s->gb, s->bits_per_sample + 1);
+ s->channel_residues[ch][0] = get_sbits_long(&s->gb, s->bits_per_sample + 1);
else
- s->channel_residues[ch][0] = get_sbits(&s->gb, s->bits_per_sample);
+ s->channel_residues[ch][0] = get_sbits_long(&s->gb, s->bits_per_sample);
i++;
}
for (; i < tile_size; i++) {
@@ -521,7 +520,7 @@ static int decode_channel_residues(WmallDecodeCtx *s, int ch, int tile_size)
residue = quo;
else {
rem_bits = av_ceil_log2(ave_mean);
- rem = rem_bits ? get_bits_long(&s->gb, rem_bits) : 0;
+ rem = get_bits_long(&s->gb, rem_bits);
residue = (quo << rem_bits) + rem;
}
@@ -951,7 +950,7 @@ static int decode_subframe(WmallDecodeCtx *s)
bits * s->num_channels * subframe_len, get_bits_count(&s->gb));
for (i = 0; i < s->num_channels; i++)
for (j = 0; j < subframe_len; j++)
- s->channel_coeffs[i][j] = get_sbits(&s->gb, bits);
+ s->channel_coeffs[i][j] = get_sbits_long(&s->gb, bits);
} else {
for (i = 0; i < s->num_channels; i++)
if (s->is_channel_coded[i]) {
@@ -1018,8 +1017,6 @@ static int decode_frame(WmallDecodeCtx *s)
s->frame.nb_samples = s->samples_per_frame;
if ((ret = ff_get_buffer(s->avctx, &s->frame, 0)) < 0) {
/* return an error if no frame could be decoded at all */
- av_log(s->avctx, AV_LOG_ERROR,
- "not enough space for the output samples\n");
s->packet_loss = 1;
return ret;
}
@@ -1265,8 +1262,9 @@ static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
save_bits(s, gb, remaining_bits(s, gb), 0);
}
- *(AVFrame *)data = s->frame;
*got_frame_ptr = s->frame.nb_samples > 0;
+ av_frame_move_ref(data, &s->frame);
+
s->packet_offset = get_bits_count(gb) & 7;
return (s->packet_loss) ? AVERROR_INVALIDDATA : get_bits_count(gb) >> 3;