typedef struct
{
+ AVFrame avframe;
GetBitContext gb;
qcelp_packet_rate bitrate;
QCELPFrame frame; /**< unpacked data frame */
for(i=0; i<10; i++)
q->prev_lspf[i] = (i+1)/11.;
+ avcodec_get_frame_defaults(&q->avframe);
+ avctx->coded_frame = &q->avframe;
+
return 0;
}
160, 0.9375, &q->postfilter_agc_mem);
}
-static int qcelp_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
- AVPacket *avpkt)
+static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
QCELPContext *q = avctx->priv_data;
- float *outbuffer = data;
- int i, out_size;
+ float *outbuffer;
+ int i, ret;
float quantized_lspf[10], lpc[10];
float gain[16];
float *formant_mem;
- 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);
+ /* get output buffer */
+ q->avframe.nb_samples = 160;
+ if ((ret = avctx->get_buffer(avctx, &q->avframe)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
}
+ outbuffer = (float *)q->avframe.data[0];
if ((q->bitrate = determine_bitrate(avctx, buf_size, &buf)) == I_F_Q) {
warn_insufficient_frame_quality(avctx, "bitrate cannot be determined.");
memcpy(q->prev_lspf, quantized_lspf, sizeof(q->prev_lspf));
q->prev_bitrate = q->bitrate;
- *data_size = out_size;
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = q->avframe;
return buf_size;
}
.id = CODEC_ID_QCELP,
.init = qcelp_decode_init,
.decode = qcelp_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.priv_data_size = sizeof(QCELPContext),
.long_name = NULL_IF_CONFIG_SMALL("QCELP / PureVoice"),
};