* AMR Audio decoder stub
* Copyright (c) 2003 the ffmpeg project
*
- * 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
*/
-#include "libavutil/audioconvert.h"
-#include "avcodec.h"
#include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
+#include "avcodec.h"
#include "audio_frame_queue.h"
#include "internal.h"
-static void amr_decode_fix_avctx(AVCodecContext *avctx)
+static int amr_decode_fix_avctx(AVCodecContext *avctx)
{
const int is_amr_wb = 1 + (avctx->codec_id == AV_CODEC_ID_AMR_WB);
- avctx->sample_rate = 8000 * is_amr_wb;
+ if (!avctx->sample_rate)
+ avctx->sample_rate = 8000 * is_amr_wb;
if (avctx->channels > 1) {
av_log_missing_feature(avctx, "multi-channel AMR", 0);
avctx->channels = 1;
avctx->channel_layout = AV_CH_LAYOUT_MONO;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+ return 0;
}
#if CONFIG_LIBOPENCORE_AMRNB
static av_cold int amr_nb_decode_init(AVCodecContext *avctx)
{
AMRContext *s = avctx->priv_data;
+ int ret;
+
+ if ((ret = amr_decode_fix_avctx(avctx)) < 0)
+ return ret;
s->dec_state = Decoder_Interface_init();
if (!s->dec_state) {
return -1;
}
- amr_decode_fix_avctx(avctx);
-
- if (avctx->channels > 1) {
- av_log(avctx, AV_LOG_ERROR, "amr_nb: multichannel decoding not supported\n");
- return AVERROR(ENOSYS);
- }
-
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
/* get output buffer */
s->frame.nb_samples = 160;
- if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
{
AMRContext *s = avctx->priv_data;
- if (avctx->sample_rate != 8000) {
+ if (avctx->sample_rate != 8000 && avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
av_log(avctx, AV_LOG_ERROR, "Only 8000Hz sample rate supported\n");
return AVERROR(ENOSYS);
}
s->enc_bitrate = avctx->bit_rate;
}
- if ((ret = ff_alloc_packet(avpkt, 32))) {
- av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+ if ((ret = ff_alloc_packet2(avctx, avpkt, 32)))
return ret;
- }
if (frame) {
if (frame->nb_samples < avctx->frame_size) {
written = Encoder_Interface_Encode(s->enc_state, s->enc_mode, samples,
avpkt->data, 0);
av_dlog(avctx, "amr_nb_encode_frame encoded %u bytes, bitrate %u, first byte was %#02x\n",
- written, s->enc_mode, frame[0]);
+ written, s->enc_mode, avpkt->data[0]);
/* Get the next frame pts/duration */
ff_af_queue_remove(&s->afq, avctx->frame_size, &avpkt->pts,
static av_cold int amr_wb_decode_init(AVCodecContext *avctx)
{
AMRWBContext *s = avctx->priv_data;
+ int ret;
- s->state = D_IF_init();
-
- amr_decode_fix_avctx(avctx);
+ if ((ret = amr_decode_fix_avctx(avctx)) < 0)
+ return ret;
- if (avctx->channels > 1) {
- av_log(avctx, AV_LOG_ERROR, "amr_wb: multichannel decoding not supported\n");
- return AVERROR(ENOSYS);
- }
+ s->state = D_IF_init();
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
/* get output buffer */
s->frame.nb_samples = 320;
- if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
buf_size, packet_size + 1);
return AVERROR_INVALIDDATA;
}
+ if (!packet_size) {
+ av_log(avctx, AV_LOG_ERROR, "amr packet_size invalid\n");
+ return AVERROR_INVALIDDATA;
+ }
D_IF_decode(s->state, buf, (short *)s->frame.data[0], _good_frame);