typedef struct AMRContext {
AVClass *av_class;
- int frame_count;
void *dec_state;
void *enc_state;
int enc_bitrate;
} AMRContext;
static const AVOption options[] = {
- { "dtx", "Allow DTX (generate comfort noise)", offsetof(AMRContext, enc_dtx), FF_OPT_TYPE_INT, { 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
+ { "dtx", "Allow DTX (generate comfort noise)", offsetof(AMRContext, enc_dtx), AV_OPT_TYPE_INT, { 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
{ NULL }
};
{
AMRContext *s = avctx->priv_data;
- s->frame_count = 0;
s->dec_state = Decoder_Interface_init();
if (!s->dec_state) {
av_log(avctx, AV_LOG_ERROR, "Decoder_Interface_init error\n");
AMRContext *s = avctx->priv_data;
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;
- int packet_size;
+ int packet_size, out_size;
av_dlog(avctx, "amr_decode_frame buf=%p buf_size=%d frame_count=%d!!\n",
- buf, buf_size, s->frame_count);
+ buf, buf_size, avctx->frame_number);
+
+ out_size = 160 * av_get_bytes_per_sample(avctx->sample_fmt);
+ if (*data_size < out_size) {
+ av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
+ return AVERROR(EINVAL);
+ }
dec_mode = (buf[0] >> 3) & 0x000F;
packet_size = block_size[dec_mode] + 1;
return AVERROR_INVALIDDATA;
}
- s->frame_count++;
av_dlog(avctx, "packet_size=%d buf= 0x%X %X %X %X\n",
packet_size, buf[0], buf[1], buf[2], buf[3]);
/* call decoder */
Decoder_Interface_Decode(s->dec_state, buf, data, 0);
- *data_size = 160 * 2;
+ *data_size = out_size;
return packet_size;
}
{
AMRContext *s = avctx->priv_data;
- s->frame_count = 0;
-
if (avctx->sample_rate != 8000) {
av_log(avctx, AV_LOG_ERROR, "Only 8000Hz sample rate supported\n");
return AVERROR(ENOSYS);
int buf_size = avpkt->size;
AMRWBContext *s = avctx->priv_data;
int mode;
- int packet_size;
+ int packet_size, out_size;
static const uint8_t block_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1};
- if (!buf_size)
- /* nothing to do */
- return 0;
+ out_size = 320 * av_get_bytes_per_sample(avctx->sample_fmt);
+ if (*data_size < out_size) {
+ av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
+ return AVERROR(EINVAL);
+ }
mode = (buf[0] >> 3) & 0x000F;
packet_size = block_size[mode];
}
D_IF_decode(s->state, buf, data, _good_frame);
- *data_size = 320 * 2;
+ *data_size = out_size;
return packet_size;
}