From 6482bd8831904ab7cd0a126687f871ff9c52b055 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Mon, 9 Jul 2012 14:36:03 -0400 Subject: [PATCH] alac: add 32-bit decoding support --- libavcodec/alac.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/libavcodec/alac.c b/libavcodec/alac.c index df3c3148eb..268d592325 100644 --- a/libavcodec/alac.c +++ b/libavcodec/alac.c @@ -424,6 +424,18 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data, *outbuffer++ = alac->output_samples_buffer[1][i] << 8; }} break; + case 32: + if (channels == 2) { + int32_t *outbuffer = (int32_t *)alac->frame.data[0]; + for (i = 0; i < alac->nb_samples; i++) { + *outbuffer++ = alac->output_samples_buffer[0][i]; + *outbuffer++ = alac->output_samples_buffer[1][i]; + } + } else { + memcpy(alac->frame.data[0], alac->output_samples_buffer[0], + alac->nb_samples * sizeof(*alac->output_samples_buffer[0])); + } + break; } if (avpkt->size * 8 - get_bits_count(&alac->gb) > 8) @@ -520,7 +532,8 @@ static av_cold int alac_decode_init(AVCodecContext * avctx) switch (alac->sample_size) { case 16: avctx->sample_fmt = AV_SAMPLE_FMT_S16; break; - case 24: avctx->sample_fmt = AV_SAMPLE_FMT_S32; + case 24: + case 32: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break; default: av_log_ask_for_sample(avctx, "Sample depth %d is not supported.\n", alac->sample_size);