diff --git a/libavcodec/alac.c b/libavcodec/alac.c index 70e1a6438b..83e0d810e6 100644 --- a/libavcodec/alac.c +++ b/libavcodec/alac.c @@ -351,6 +351,17 @@ static void interleave_stereo_24(int32_t *buffer[MAX_CHANNELS], } } +static void interleave_stereo_32(int32_t *buffer[MAX_CHANNELS], + int32_t *buffer_out, int numsamples) +{ + int i; + + for (i = 0; i < numsamples; i++) { + *buffer_out++ = buffer[0][i]; + *buffer_out++ = buffer[1][i]; + } +} + static int alac_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { @@ -533,6 +544,16 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data, outbuffer[i] = alac->outputsamples_buffer[0][i] << 8; } break; + case 32: + if (channels == 2) { + interleave_stereo_32(alac->outputsamples_buffer, + (int32_t *)alac->frame.data[0], outputsamples); + } else { + int32_t *outbuffer = (int32_t *)alac->frame.data[0]; + for (i = 0; i < outputsamples; i++) + outbuffer[i] = alac->outputsamples_buffer[0][i]; + } + break; } if (input_buffer_size * 8 - get_bits_count(&alac->gb) > 8) @@ -628,6 +649,7 @@ static av_cold int alac_decode_init(AVCodecContext * avctx) switch (alac->setinfo_sample_size) { case 16: avctx->sample_fmt = AV_SAMPLE_FMT_S16; break; + case 32: case 24: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break; default: av_log_ask_for_sample(avctx, "Sample depth %d is not supported.\n",