2009-06-05 15:32:40 +03:00
|
|
|
/*
|
|
|
|
* AMR Audio decoder stub
|
2016-04-27 19:45:23 +02:00
|
|
|
* Copyright (c) 2003 The FFmpeg project
|
2009-06-05 15:32:40 +03:00
|
|
|
*
|
|
|
|
* This file is part of FFmpeg.
|
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*
|
|
|
|
* 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 FFmpeg; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
|
|
|
2022-02-23 14:56:49 +02:00
|
|
|
#include "config_components.h"
|
|
|
|
|
2016-04-14 18:25:16 +02:00
|
|
|
#include <inttypes.h>
|
|
|
|
|
2011-04-13 10:59:08 +03:00
|
|
|
#include "libavutil/avstring.h"
|
2012-11-10 18:00:00 +03:00
|
|
|
#include "libavutil/channel_layout.h"
|
2012-08-06 16:49:32 +03:00
|
|
|
#include "libavutil/common.h"
|
2024-03-25 02:30:37 +02:00
|
|
|
#include "libavutil/mem.h"
|
2011-04-13 21:47:12 +03:00
|
|
|
#include "libavutil/opt.h"
|
2012-11-10 18:00:00 +03:00
|
|
|
#include "avcodec.h"
|
2012-02-28 10:51:29 +03:00
|
|
|
#include "audio_frame_queue.h"
|
2022-03-16 22:09:54 +02:00
|
|
|
#include "codec_internal.h"
|
2022-08-24 21:28:16 +02:00
|
|
|
#include "decode.h"
|
2021-05-11 15:17:13 +02:00
|
|
|
#include "encode.h"
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2019-11-17 01:35:14 +02:00
|
|
|
#if CONFIG_LIBOPENCORE_AMRNB_DECODER || CONFIG_LIBOPENCORE_AMRWB_DECODER
|
2012-11-06 13:18:57 +03:00
|
|
|
static int amr_decode_fix_avctx(AVCodecContext *avctx)
|
2009-06-05 15:32:40 +03:00
|
|
|
{
|
2012-08-05 12:11:04 +03:00
|
|
|
const int is_amr_wb = 1 + (avctx->codec_id == AV_CODEC_ID_AMR_WB);
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2012-11-03 01:46:47 +03:00
|
|
|
if (!avctx->sample_rate)
|
|
|
|
avctx->sample_rate = 8000 * is_amr_wb;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2013-05-07 08:20:32 +03:00
|
|
|
if (avctx->ch_layout.nb_channels > 1) {
|
2013-02-26 01:53:52 +03:00
|
|
|
avpriv_report_missing_feature(avctx, "multi-channel AMR");
|
2012-10-23 00:49:59 +03:00
|
|
|
return AVERROR_PATCHWELCOME;
|
|
|
|
}
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2013-05-07 08:20:32 +03:00
|
|
|
av_channel_layout_uninit(&avctx->ch_layout);
|
|
|
|
avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
|
2012-10-23 00:49:59 +03:00
|
|
|
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
|
2012-11-06 13:18:57 +03:00
|
|
|
return 0;
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
2019-11-17 01:35:14 +02:00
|
|
|
#endif
|
2009-06-05 15:32:40 +03:00
|
|
|
|
|
|
|
#if CONFIG_LIBOPENCORE_AMRNB
|
|
|
|
|
|
|
|
#include <opencore-amrnb/interf_dec.h>
|
|
|
|
#include <opencore-amrnb/interf_enc.h>
|
|
|
|
|
|
|
|
typedef struct AMRContext {
|
2011-04-13 21:47:12 +03:00
|
|
|
AVClass *av_class;
|
2011-04-13 00:20:26 +03:00
|
|
|
void *dec_state;
|
|
|
|
void *enc_state;
|
2009-06-05 15:32:40 +03:00
|
|
|
int enc_bitrate;
|
2011-04-13 11:03:19 +03:00
|
|
|
int enc_mode;
|
2011-04-13 21:47:12 +03:00
|
|
|
int enc_dtx;
|
2012-03-04 08:25:45 +03:00
|
|
|
int enc_last_frame;
|
2012-02-28 10:51:29 +03:00
|
|
|
AudioFrameQueue afq;
|
2009-06-05 15:32:40 +03:00
|
|
|
} AMRContext;
|
|
|
|
|
2013-02-17 01:05:03 +03:00
|
|
|
#if CONFIG_LIBOPENCORE_AMRNB_DECODER
|
2009-06-05 15:32:40 +03:00
|
|
|
static av_cold int amr_nb_decode_init(AVCodecContext *avctx)
|
|
|
|
{
|
2011-04-13 00:25:43 +03:00
|
|
|
AMRContext *s = avctx->priv_data;
|
2012-11-06 13:18:57 +03:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
if ((ret = amr_decode_fix_avctx(avctx)) < 0)
|
|
|
|
return ret;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2011-04-13 00:20:26 +03:00
|
|
|
s->dec_state = Decoder_Interface_init();
|
|
|
|
if (!s->dec_state) {
|
2011-04-13 00:08:14 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Decoder_Interface_init error\n");
|
2009-06-05 15:32:40 +03:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static av_cold int amr_nb_decode_close(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
AMRContext *s = avctx->priv_data;
|
|
|
|
|
2011-04-13 00:20:26 +03:00
|
|
|
Decoder_Interface_exit(s->dec_state);
|
2011-09-06 19:17:45 +03:00
|
|
|
|
2009-06-05 15:32:40 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2022-03-30 21:33:24 +02:00
|
|
|
static int amr_nb_decode_frame(AVCodecContext *avctx, AVFrame *frame,
|
2011-09-06 19:17:45 +03:00
|
|
|
int *got_frame_ptr, AVPacket *avpkt)
|
2009-06-05 15:32:40 +03:00
|
|
|
{
|
|
|
|
const uint8_t *buf = avpkt->data;
|
|
|
|
int buf_size = avpkt->size;
|
2011-04-13 00:25:43 +03:00
|
|
|
AMRContext *s = avctx->priv_data;
|
2009-06-05 15:32:40 +03:00
|
|
|
static const uint8_t block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
|
enum Mode dec_mode;
|
2011-09-06 19:17:45 +03:00
|
|
|
int packet_size, ret;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2023-03-12 19:50:57 +02:00
|
|
|
ff_dlog(avctx, "amr_decode_frame buf=%p buf_size=%d frame_count=%"PRId64"!!\n",
|
|
|
|
buf, buf_size, avctx->frame_num);
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2011-09-06 19:17:45 +03:00
|
|
|
/* get output buffer */
|
2012-12-24 02:42:58 +03:00
|
|
|
frame->nb_samples = 160;
|
lavc: factorize ff_{thread_,re,}get_buffer error messages.
Coccinelle profile used:
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_get_buffer(ctx, f, flags)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str;
@@
-if ((r = ff_reget_buffer(ctx, f)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_reget_buffer(ctx, f)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
+ return r;
...along with some manual patches for the remaining ones.
2013-03-12 10:41:53 +03:00
|
|
|
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
|
2011-09-06 19:17:45 +03:00
|
|
|
return ret;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2011-04-13 00:25:43 +03:00
|
|
|
dec_mode = (buf[0] >> 3) & 0x000F;
|
2009-06-05 15:32:40 +03:00
|
|
|
packet_size = block_size[dec_mode] + 1;
|
|
|
|
|
|
|
|
if (packet_size > buf_size) {
|
2016-04-14 18:25:16 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "AMR frame too short (%d, should be %d)\n",
|
2009-06-05 15:32:40 +03:00
|
|
|
buf_size, packet_size);
|
2011-04-13 00:10:56 +03:00
|
|
|
return AVERROR_INVALIDDATA;
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
|
|
|
|
2016-04-14 18:25:16 +02:00
|
|
|
ff_dlog(avctx, "packet_size=%d buf= 0x%"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"\n",
|
|
|
|
packet_size, buf[0], buf[1], buf[2], buf[3]);
|
2009-06-05 15:32:40 +03:00
|
|
|
/* call decoder */
|
2012-12-24 02:42:58 +03:00
|
|
|
Decoder_Interface_Decode(s->dec_state, buf, (short *)frame->data[0], 0);
|
2011-09-06 19:17:45 +03:00
|
|
|
|
2012-12-24 02:42:58 +03:00
|
|
|
*got_frame_ptr = 1;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
|
|
|
return packet_size;
|
|
|
|
}
|
|
|
|
|
2022-03-16 22:09:54 +02:00
|
|
|
const FFCodec ff_libopencore_amrnb_decoder = {
|
|
|
|
.p.name = "libopencore_amrnb",
|
2022-08-29 13:38:02 +02:00
|
|
|
CODEC_LONG_NAME("OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band)"),
|
2022-03-16 22:09:54 +02:00
|
|
|
.p.type = AVMEDIA_TYPE_AUDIO,
|
|
|
|
.p.id = AV_CODEC_ID_AMR_NB,
|
2022-07-09 22:25:41 +02:00
|
|
|
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE,
|
2011-07-17 13:54:31 +03:00
|
|
|
.priv_data_size = sizeof(AMRContext),
|
|
|
|
.init = amr_nb_decode_init,
|
|
|
|
.close = amr_nb_decode_close,
|
2022-03-30 23:28:24 +02:00
|
|
|
FF_CODEC_DECODE_CB(amr_nb_decode_frame),
|
2022-03-16 22:09:54 +02:00
|
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
|
2009-06-05 15:32:40 +03:00
|
|
|
};
|
2013-02-17 01:05:03 +03:00
|
|
|
#endif /* CONFIG_LIBOPENCORE_AMRNB_DECODER */
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2013-02-17 01:05:03 +03:00
|
|
|
#if CONFIG_LIBOPENCORE_AMRNB_ENCODER
|
2013-02-17 01:05:02 +03:00
|
|
|
/* Common code for fixed and float version*/
|
|
|
|
typedef struct AMR_bitrates {
|
|
|
|
int rate;
|
|
|
|
enum Mode mode;
|
|
|
|
} AMR_bitrates;
|
|
|
|
|
|
|
|
/* Match desired bitrate */
|
|
|
|
static int get_bitrate_mode(int bitrate, void *log_ctx)
|
|
|
|
{
|
2016-04-27 19:45:23 +02:00
|
|
|
/* make the correspondence between bitrate and mode */
|
2013-02-17 01:05:02 +03:00
|
|
|
static const AMR_bitrates rates[] = {
|
|
|
|
{ 4750, MR475 }, { 5150, MR515 }, { 5900, MR59 }, { 6700, MR67 },
|
|
|
|
{ 7400, MR74 }, { 7950, MR795 }, { 10200, MR102 }, { 12200, MR122 }
|
|
|
|
};
|
|
|
|
int i, best = -1, min_diff = 0;
|
|
|
|
char log_buf[200];
|
|
|
|
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
|
|
if (rates[i].rate == bitrate)
|
|
|
|
return rates[i].mode;
|
|
|
|
if (best < 0 || abs(rates[i].rate - bitrate) < min_diff) {
|
|
|
|
best = i;
|
|
|
|
min_diff = abs(rates[i].rate - bitrate);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* no bitrate matching exactly, log a warning */
|
|
|
|
snprintf(log_buf, sizeof(log_buf), "bitrate not supported: use one of ");
|
|
|
|
for (i = 0; i < 8; i++)
|
|
|
|
av_strlcatf(log_buf, sizeof(log_buf), "%.2fk, ", rates[i].rate / 1000.f);
|
|
|
|
av_strlcatf(log_buf, sizeof(log_buf), "using %.2fk", rates[best].rate / 1000.f);
|
|
|
|
av_log(log_ctx, AV_LOG_WARNING, "%s\n", log_buf);
|
|
|
|
|
|
|
|
return best;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const AVOption options[] = {
|
|
|
|
{ "dtx", "Allow DTX (generate comfort noise)", offsetof(AMRContext, enc_dtx), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
2013-07-04 19:02:17 +03:00
|
|
|
static const AVClass amrnb_class = {
|
2017-06-10 16:45:06 +02:00
|
|
|
.class_name = "libopencore_amrnb",
|
2024-01-19 14:33:28 +02:00
|
|
|
.item_name = av_default_item_name,
|
2017-06-10 16:45:06 +02:00
|
|
|
.option = options,
|
|
|
|
.version = LIBAVUTIL_VERSION_INT,
|
2013-02-17 01:05:02 +03:00
|
|
|
};
|
|
|
|
|
2009-06-05 15:32:40 +03:00
|
|
|
static av_cold int amr_nb_encode_init(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
AMRContext *s = avctx->priv_data;
|
|
|
|
|
2012-11-03 01:47:12 +03:00
|
|
|
if (avctx->sample_rate != 8000 && avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
|
2009-06-05 15:32:40 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Only 8000Hz sample rate supported\n");
|
2011-04-13 00:10:56 +03:00
|
|
|
return AVERROR(ENOSYS);
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
|
|
|
|
2013-05-07 08:20:32 +03:00
|
|
|
if (avctx->ch_layout.nb_channels != 1) {
|
2009-06-05 15:32:40 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Only mono supported\n");
|
2011-04-13 00:10:56 +03:00
|
|
|
return AVERROR(ENOSYS);
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
avctx->frame_size = 160;
|
2014-08-23 15:40:50 +03:00
|
|
|
avctx->initial_padding = 50;
|
2012-02-28 10:51:29 +03:00
|
|
|
ff_af_queue_init(avctx, &s->afq);
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2011-04-13 21:47:12 +03:00
|
|
|
s->enc_state = Encoder_Interface_init(s->enc_dtx);
|
2011-04-13 00:20:26 +03:00
|
|
|
if (!s->enc_state) {
|
2009-06-05 15:32:40 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Encoder_Interface_init error\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2011-04-13 11:03:19 +03:00
|
|
|
s->enc_mode = get_bitrate_mode(avctx->bit_rate, avctx);
|
|
|
|
s->enc_bitrate = avctx->bit_rate;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static av_cold int amr_nb_encode_close(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
AMRContext *s = avctx->priv_data;
|
|
|
|
|
2011-04-13 00:20:26 +03:00
|
|
|
Encoder_Interface_exit(s->enc_state);
|
2012-02-28 10:51:29 +03:00
|
|
|
ff_af_queue_close(&s->afq);
|
2009-06-05 15:32:40 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-02-28 10:51:29 +03:00
|
|
|
static int amr_nb_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
|
|
|
|
const AVFrame *frame, int *got_packet_ptr)
|
2009-06-05 15:32:40 +03:00
|
|
|
{
|
|
|
|
AMRContext *s = avctx->priv_data;
|
2012-02-28 10:51:29 +03:00
|
|
|
int written, ret;
|
2012-03-04 08:25:45 +03:00
|
|
|
int16_t *flush_buf = NULL;
|
2012-02-28 10:51:29 +03:00
|
|
|
const int16_t *samples = frame ? (const int16_t *)frame->data[0] : NULL;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2011-04-13 11:03:19 +03:00
|
|
|
if (s->enc_bitrate != avctx->bit_rate) {
|
|
|
|
s->enc_mode = get_bitrate_mode(avctx->bit_rate, avctx);
|
|
|
|
s->enc_bitrate = avctx->bit_rate;
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
|
|
|
|
2021-05-11 15:17:13 +02:00
|
|
|
if ((ret = ff_alloc_packet(avctx, avpkt, 32)) < 0)
|
2012-02-28 10:51:29 +03:00
|
|
|
return ret;
|
|
|
|
|
|
|
|
if (frame) {
|
|
|
|
if (frame->nb_samples < avctx->frame_size) {
|
2021-09-14 21:31:53 +02:00
|
|
|
flush_buf = av_calloc(avctx->frame_size, sizeof(*flush_buf));
|
2012-03-04 08:25:45 +03:00
|
|
|
if (!flush_buf)
|
|
|
|
return AVERROR(ENOMEM);
|
2012-02-28 10:51:29 +03:00
|
|
|
memcpy(flush_buf, samples, frame->nb_samples * sizeof(*flush_buf));
|
2012-03-04 08:25:45 +03:00
|
|
|
samples = flush_buf;
|
2014-08-23 15:40:50 +03:00
|
|
|
if (frame->nb_samples < avctx->frame_size - avctx->initial_padding)
|
2012-03-04 08:25:45 +03:00
|
|
|
s->enc_last_frame = -1;
|
|
|
|
}
|
2013-01-14 02:04:13 +03:00
|
|
|
if ((ret = ff_af_queue_add(&s->afq, frame)) < 0) {
|
2012-02-28 10:51:29 +03:00
|
|
|
av_freep(&flush_buf);
|
|
|
|
return ret;
|
|
|
|
}
|
2012-03-04 08:25:45 +03:00
|
|
|
} else {
|
|
|
|
if (s->enc_last_frame < 0)
|
|
|
|
return 0;
|
2021-09-14 21:31:53 +02:00
|
|
|
flush_buf = av_calloc(avctx->frame_size, sizeof(*flush_buf));
|
2012-03-04 08:25:45 +03:00
|
|
|
if (!flush_buf)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
samples = flush_buf;
|
|
|
|
s->enc_last_frame = -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
written = Encoder_Interface_Encode(s->enc_state, s->enc_mode, samples,
|
2012-02-28 10:51:29 +03:00
|
|
|
avpkt->data, 0);
|
2015-03-16 10:57:36 +02:00
|
|
|
ff_dlog(avctx, "amr_nb_encode_frame encoded %u bytes, bitrate %u, first byte was %#02x\n",
|
2012-11-08 17:46:51 +03:00
|
|
|
written, s->enc_mode, avpkt->data[0]);
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2012-02-28 10:51:29 +03:00
|
|
|
/* Get the next frame pts/duration */
|
|
|
|
ff_af_queue_remove(&s->afq, avctx->frame_size, &avpkt->pts,
|
|
|
|
&avpkt->duration);
|
|
|
|
|
|
|
|
avpkt->size = written;
|
|
|
|
*got_packet_ptr = 1;
|
2012-03-04 08:25:45 +03:00
|
|
|
av_freep(&flush_buf);
|
2012-02-28 10:51:29 +03:00
|
|
|
return 0;
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
|
|
|
|
2022-03-16 22:09:54 +02:00
|
|
|
const FFCodec ff_libopencore_amrnb_encoder = {
|
|
|
|
.p.name = "libopencore_amrnb",
|
2022-08-29 13:38:02 +02:00
|
|
|
CODEC_LONG_NAME("OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band)"),
|
2022-03-16 22:09:54 +02:00
|
|
|
.p.type = AVMEDIA_TYPE_AUDIO,
|
|
|
|
.p.id = AV_CODEC_ID_AMR_NB,
|
2021-05-11 20:52:13 +02:00
|
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
|
|
|
|
AV_CODEC_CAP_SMALL_LAST_FRAME,
|
2022-07-09 22:25:41 +02:00
|
|
|
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE,
|
2011-07-17 13:54:31 +03:00
|
|
|
.priv_data_size = sizeof(AMRContext),
|
|
|
|
.init = amr_nb_encode_init,
|
2022-03-30 23:28:24 +02:00
|
|
|
FF_CODEC_ENCODE_CB(amr_nb_encode_frame),
|
2011-07-17 13:54:31 +03:00
|
|
|
.close = amr_nb_encode_close,
|
2022-03-16 22:09:54 +02:00
|
|
|
.p.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
|
2012-04-06 19:19:39 +03:00
|
|
|
AV_SAMPLE_FMT_NONE },
|
2022-03-16 22:09:54 +02:00
|
|
|
.p.priv_class = &amrnb_class,
|
2009-06-05 15:32:40 +03:00
|
|
|
};
|
2013-02-17 01:05:03 +03:00
|
|
|
#endif /* CONFIG_LIBOPENCORE_AMRNB_ENCODER */
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2013-02-17 01:05:03 +03:00
|
|
|
#endif /* CONFIG_LIBOPENCORE_AMRNB */
|
2009-06-05 15:32:40 +03:00
|
|
|
|
|
|
|
/* -----------AMR wideband ------------*/
|
2013-02-17 01:05:04 +03:00
|
|
|
#if CONFIG_LIBOPENCORE_AMRWB_DECODER
|
2009-06-05 15:32:40 +03:00
|
|
|
|
|
|
|
#include <opencore-amrwb/dec_if.h>
|
|
|
|
#include <opencore-amrwb/if_rom.h>
|
|
|
|
|
|
|
|
typedef struct AMRWBContext {
|
|
|
|
void *state;
|
|
|
|
} AMRWBContext;
|
|
|
|
|
|
|
|
static av_cold int amr_wb_decode_init(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
AMRWBContext *s = avctx->priv_data;
|
2012-11-06 13:18:57 +03:00
|
|
|
int ret;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2012-11-06 13:18:57 +03:00
|
|
|
if ((ret = amr_decode_fix_avctx(avctx)) < 0)
|
|
|
|
return ret;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2012-11-06 13:18:57 +03:00
|
|
|
s->state = D_IF_init();
|
2009-06-05 15:32:40 +03:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2022-03-30 21:33:24 +02:00
|
|
|
static int amr_wb_decode_frame(AVCodecContext *avctx, AVFrame *frame,
|
2011-09-06 19:17:45 +03:00
|
|
|
int *got_frame_ptr, AVPacket *avpkt)
|
2009-06-05 15:32:40 +03:00
|
|
|
{
|
|
|
|
const uint8_t *buf = avpkt->data;
|
|
|
|
int buf_size = avpkt->size;
|
2011-04-13 00:25:43 +03:00
|
|
|
AMRWBContext *s = avctx->priv_data;
|
2011-09-06 19:17:45 +03:00
|
|
|
int mode, ret;
|
|
|
|
int packet_size;
|
2009-06-05 15:32:40 +03:00
|
|
|
static const uint8_t block_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1};
|
|
|
|
|
2011-09-06 19:17:45 +03:00
|
|
|
/* get output buffer */
|
2012-12-24 02:42:58 +03:00
|
|
|
frame->nb_samples = 320;
|
lavc: factorize ff_{thread_,re,}get_buffer error messages.
Coccinelle profile used:
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_get_buffer(ctx, f, flags)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str;
@@
-if ((r = ff_reget_buffer(ctx, f)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_reget_buffer(ctx, f)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
+ return r;
...along with some manual patches for the remaining ones.
2013-03-12 10:41:53 +03:00
|
|
|
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
|
2011-09-06 19:17:45 +03:00
|
|
|
return ret;
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2011-04-13 00:25:43 +03:00
|
|
|
mode = (buf[0] >> 3) & 0x000F;
|
2009-06-05 15:32:40 +03:00
|
|
|
packet_size = block_size[mode];
|
|
|
|
|
|
|
|
if (packet_size > buf_size) {
|
2016-04-14 18:25:16 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "AMR frame too short (%d, should be %d)\n",
|
2009-06-05 15:32:40 +03:00
|
|
|
buf_size, packet_size + 1);
|
2011-04-13 00:10:56 +03:00
|
|
|
return AVERROR_INVALIDDATA;
|
2009-06-05 15:32:40 +03:00
|
|
|
}
|
2012-11-24 20:26:54 +03:00
|
|
|
if (!packet_size) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "amr packet_size invalid\n");
|
|
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
}
|
2009-06-05 15:32:40 +03:00
|
|
|
|
2012-12-24 02:42:58 +03:00
|
|
|
D_IF_decode(s->state, buf, (short *)frame->data[0], _good_frame);
|
2011-09-06 19:17:45 +03:00
|
|
|
|
2012-12-24 02:42:58 +03:00
|
|
|
*got_frame_ptr = 1;
|
2011-09-06 19:17:45 +03:00
|
|
|
|
2009-06-05 15:32:40 +03:00
|
|
|
return packet_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int amr_wb_decode_close(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
AMRWBContext *s = avctx->priv_data;
|
|
|
|
|
|
|
|
D_IF_exit(s->state);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2022-03-16 22:09:54 +02:00
|
|
|
const FFCodec ff_libopencore_amrwb_decoder = {
|
|
|
|
.p.name = "libopencore_amrwb",
|
2022-08-29 13:38:02 +02:00
|
|
|
CODEC_LONG_NAME("OpenCORE AMR-WB (Adaptive Multi-Rate Wide-Band)"),
|
2022-03-16 22:09:54 +02:00
|
|
|
.p.type = AVMEDIA_TYPE_AUDIO,
|
|
|
|
.p.id = AV_CODEC_ID_AMR_WB,
|
|
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
|
|
|
|
.p.wrapper_name = "libopencore_amrwb",
|
2022-07-09 22:25:41 +02:00
|
|
|
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE,
|
2011-07-17 13:54:31 +03:00
|
|
|
.priv_data_size = sizeof(AMRWBContext),
|
|
|
|
.init = amr_wb_decode_init,
|
|
|
|
.close = amr_wb_decode_close,
|
2022-03-30 23:28:24 +02:00
|
|
|
FF_CODEC_DECODE_CB(amr_wb_decode_frame),
|
2009-06-05 15:32:40 +03:00
|
|
|
};
|
|
|
|
|
2013-02-17 01:05:04 +03:00
|
|
|
#endif /* CONFIG_LIBOPENCORE_AMRWB_DECODER */
|