return 0;
}
-static int pcm_bluray_decode_frame(AVCodecContext *avctx,
- void *data,
- int *data_size,
- AVPacket *avpkt)
+typedef struct PCMBRDecode {
+ AVFrame frame;
+} PCMBRDecode;
+
+static av_cold int pcm_bluray_decode_init(AVCodecContext * avctx)
+{
+ PCMBRDecode *s = avctx->priv_data;
+
+ avcodec_get_frame_defaults(&s->frame);
+ avctx->coded_frame = &s->frame;
+
+ return 0;
+}
+
+static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *src = avpkt->data;
int buf_size = avpkt->size;
+ PCMBRDecode *s = avctx->priv_data;
int num_source_channels, channel, retval;
- int sample_size, samples, output_size;
- int16_t *dst16 = data;
- int32_t *dst32 = data;
+ int sample_size, samples;
+ int16_t *dst16;
+ int32_t *dst32;
if (buf_size < 4) {
av_log(avctx, AV_LOG_ERROR, "PCM packet too small\n");
sample_size = (num_source_channels * avctx->bits_per_coded_sample) >> 3;
samples = buf_size / sample_size;
- output_size = samples * avctx->channels *
- (avctx->sample_fmt == AV_SAMPLE_FMT_S32 ? 4 : 2);
- if (output_size > *data_size) {
- av_log(avctx, AV_LOG_ERROR,
- "Insufficient output buffer space (%d bytes, needed %d bytes)\n",
- *data_size, output_size);
- return -1;
+ /* get output buffer */
+ s->frame.nb_samples = samples;
+ if ((retval = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return retval;
}
- *data_size = output_size;
+ dst16 = (int16_t *)s->frame.data[0];
+ dst32 = (int32_t *)s->frame.data[0];
if (samples) {
switch (avctx->channel_layout) {
samples *= num_source_channels;
if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
#if HAVE_BIGENDIAN
- memcpy(dst16, src, output_size);
+ memcpy(dst16, src, buf_size);
#else
do {
*dst16++ = bytestream_get_be16(&src);
}
}
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = s->frame;
+
retval = src - avpkt->data;
if (avctx->debug & FF_DEBUG_BITSTREAM)
av_dlog(avctx, "pcm_bluray_decode_frame: decoded %d -> %d bytes\n",
- retval, *data_size);
+ retval, buf_size);
return retval;
}
.name = "pcm_bluray",
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_PCM_BLURAY,
+ .priv_data_size = sizeof(PCMBRDecode),
+ .init = pcm_bluray_decode_init,
.decode = pcm_bluray_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
AV_SAMPLE_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("PCM signed 16|20|24-bit big-endian for Blu-ray media"),