* AMR wideband decoder
*/
+#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/lfg.h"
#include "acelp_filters.h"
#include "acelp_vectors.h"
#include "acelp_pitch_delay.h"
+#include "internal.h"
#define AMR_USE_16BIT_TABLES
#include "amr.h"
AMRWBContext *ctx = avctx->priv_data;
int i;
- avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
+ if (avctx->channels > 1) {
+ av_log_missing_feature(avctx, "multi-channel AMR", 0);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ avctx->channels = 1;
+ avctx->channel_layout = AV_CH_LAYOUT_MONO;
+ if (!avctx->sample_rate)
+ avctx->sample_rate = 16000;
+ avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
av_lfg_init(&ctx->prng, 1);
/* get output buffer */
ctx->avframe.nb_samples = 4 * AMRWB_SFR_SIZE_16k;
- if ((ret = avctx->get_buffer(avctx, &ctx->avframe)) < 0) {
+ if ((ret = ff_get_buffer(avctx, &ctx->avframe)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}