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-rw-r--r--libavcodec/qcelpdec.c46
1 files changed, 24 insertions, 22 deletions
diff --git a/libavcodec/qcelpdec.c b/libavcodec/qcelpdec.c
index 7d9427c008..6f08607a58 100644
--- a/libavcodec/qcelpdec.c
+++ b/libavcodec/qcelpdec.c
@@ -2,20 +2,20 @@
* QCELP decoder
* Copyright (c) 2007 Reynaldo H. Verdejo Pinochet
*
- * 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
*/
@@ -23,12 +23,13 @@
* @file
* QCELP decoder
* @author Reynaldo H. Verdejo Pinochet
- * @remark Libav merging spearheaded by Kenan Gillet
+ * @remark FFmpeg merging spearheaded by Kenan Gillet
* @remark Development mentored by Benjamin Larson
*/
#include <stddef.h>
+#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/float_dsp.h"
#include "avcodec.h"
@@ -40,9 +41,6 @@
#include "acelp_vectors.h"
#include "lsp.h"
-#undef NDEBUG
-#include <assert.h>
-
typedef enum {
I_F_Q = -1, /**< insufficient frame quality */
SILENCE,
@@ -135,7 +133,7 @@ static int decode_lspf(QCELPContext *q, float *lspf)
} else {
erasure_coeff = QCELP_LSP_OCTAVE_PREDICTOR;
- assert(q->bitrate == I_F_Q);
+ av_assert2(q->bitrate == I_F_Q);
if (q->erasure_count > 1)
erasure_coeff *= q->erasure_count < 4 ? 0.9 : 0.7;
@@ -239,7 +237,7 @@ static void decode_gain_and_index(QCELPContext *q, float *gain)
av_clip((q->prev_g1[0] + q->prev_g1[1]) / 2 - 5, 0, 54);
subframes_count = 8;
} else {
- assert(q->bitrate == I_F_Q);
+ av_assert2(q->bitrate == I_F_Q);
g1[0] = q->prev_g1[1];
switch (q->erasure_count) {
@@ -321,7 +319,8 @@ static void compute_svector(QCELPContext *q, const float *gain,
tmp_gain = gain[i] * QCELP_RATE_FULL_CODEBOOK_RATIO;
cindex = -q->frame.cindex[i];
for (j = 0; j < 10; j++)
- *cdn_vector++ = tmp_gain * qcelp_rate_full_codebook[cindex++ & 127];
+ *cdn_vector++ = tmp_gain *
+ qcelp_rate_full_codebook[cindex++ & 127];
}
break;
case RATE_HALF:
@@ -329,7 +328,8 @@ static void compute_svector(QCELPContext *q, const float *gain,
tmp_gain = gain[i] * QCELP_RATE_HALF_CODEBOOK_RATIO;
cindex = -q->frame.cindex[i];
for (j = 0; j < 40; j++)
- *cdn_vector++ = tmp_gain * qcelp_rate_half_codebook[cindex++ & 127];
+ *cdn_vector++ = tmp_gain *
+ qcelp_rate_half_codebook[cindex++ & 127];
}
break;
case RATE_QUARTER:
@@ -374,7 +374,8 @@ static void compute_svector(QCELPContext *q, const float *gain,
for (i = 0; i < 4; i++) {
tmp_gain = gain[i] * QCELP_RATE_FULL_CODEBOOK_RATIO;
for (j = 0; j < 40; j++)
- *cdn_vector++ = tmp_gain * qcelp_rate_full_codebook[cbseed++ & 127];
+ *cdn_vector++ = tmp_gain *
+ qcelp_rate_full_codebook[cbseed++ & 127];
}
break;
case SILENCE:
@@ -435,7 +436,8 @@ static const float *do_pitchfilter(float memory[303], const float v_in[160],
for (v_len = v_in + 40; v_in < v_len; v_in++) {
if (pfrac[i]) { // If it is a fractional lag...
for (j = 0, *v_out = 0.0; j < 4; j++)
- *v_out += qcelp_hammsinc_table[j] * (v_lag[j - 4] + v_lag[3 - j]);
+ *v_out += qcelp_hammsinc_table[j] *
+ (v_lag[j - 4] + v_lag[3 - j]);
} else
*v_out = *v_lag;
@@ -486,7 +488,7 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
else
max_pitch_gain = 0.0;
} else {
- assert(q->bitrate == SILENCE);
+ av_assert2(q->bitrate == SILENCE);
max_pitch_gain = 1.0;
}
for (i = 0; i < 4; i++)
@@ -511,7 +513,8 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
apply_gain_ctrl(cdn_vector, v_synthesis_filtered, v_pre_filtered);
} else {
- memcpy(q->pitch_synthesis_filter_mem, cdn_vector + 17, 143 * sizeof(float));
+ memcpy(q->pitch_synthesis_filter_mem,
+ cdn_vector + 17, 143 * sizeof(float));
memcpy(q->pitch_pre_filter_mem, cdn_vector + 17, 143 * sizeof(float));
memset(q->pitch_gain, 0, sizeof(q->pitch_gain));
memset(q->pitch_lag, 0, sizeof(q->pitch_lag));
@@ -630,7 +633,7 @@ static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx,
(*buf)++;
} else if ((bitrate = buf_size2bitrate(buf_size + 1)) >= 0) {
av_log(avctx, AV_LOG_WARNING,
- "Bitrate byte is missing, guessing the bitrate from packet size.\n");
+ "Bitrate byte missing, guessing bitrate from packet size.\n");
} else
return I_F_Q;
@@ -695,14 +698,12 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
/* get output buffer */
frame->nb_samples = 160;
- if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
- }
outbuffer = (float *)frame->data[0];
if ((q->bitrate = determine_bitrate(avctx, buf_size, &buf)) == I_F_Q) {
- warn_insufficient_frame_quality(avctx, "bitrate cannot be determined.");
+ warn_insufficient_frame_quality(avctx, "Bitrate cannot be determined.");
goto erasure;
}
@@ -770,7 +771,8 @@ erasure:
formant_mem = q->formant_mem + 10;
for (i = 0; i < 4; i++) {
interpolate_lpc(q, quantized_lspf, lpc, i);
- ff_celp_lp_synthesis_filterf(formant_mem, lpc, outbuffer + i * 40, 40, 10);
+ ff_celp_lp_synthesis_filterf(formant_mem, lpc,
+ outbuffer + i * 40, 40, 10);
formant_mem += 40;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 12:16:10 +0000