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flacdec: also support S24_32 output

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This commit is contained in:
Mark Nauwelaerts 2012-07-25 15:29:04 +02:00
parent c340deb8b6
commit a9b4ceefaf
1 changed files with 32 additions and 23 deletions
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55
ext/flac/gstflacdec.c
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@ -115,9 +115,9 @@ static GstFlowReturn gst_flac_dec_handle_frame (GstAudioDecoder * audio_dec,
G_DEFINE_TYPE (GstFlacDec, gst_flac_dec, GST_TYPE_AUDIO_DECODER); G_DEFINE_TYPE (GstFlacDec, gst_flac_dec, GST_TYPE_AUDIO_DECODER);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN #if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define FORMATS "{ S8LE, S16LE, S32LE } " #define FORMATS "{ S8LE, S16LE, S24_32LE, S32LE } "
#else #else
#define FORMATS "{ S8BE, S16BE, S32BE } " #define FORMATS "{ S8BE, S16BE, S24_32BE, S32BE } "
#endif #endif
#define GST_FLAC_DEC_SRC_CAPS \ #define GST_FLAC_DEC_SRC_CAPS \
@ -446,7 +446,7 @@ gst_flac_dec_metadata_cb (const FLAC__StreamDecoder * decoder,
switch (metadata->type) { switch (metadata->type) {
case FLAC__METADATA_TYPE_STREAMINFO:{ case FLAC__METADATA_TYPE_STREAMINFO:{
gint64 samples; gint64 samples;
guint depth, width; guint depth, width, gdepth;
samples = metadata->data.stream_info.total_samples; samples = metadata->data.stream_info.total_samples;
@ -454,15 +454,19 @@ gst_flac_dec_metadata_cb (const FLAC__StreamDecoder * decoder,
flacdec->max_blocksize = metadata->data.stream_info.max_blocksize; flacdec->max_blocksize = metadata->data.stream_info.max_blocksize;
flacdec->depth = depth = metadata->data.stream_info.bits_per_sample; flacdec->depth = depth = metadata->data.stream_info.bits_per_sample;
if (depth < 9) if (depth < 9) {
width = 8; gdepth = width = 8;
else if (depth < 17) } else if (depth < 17) {
width = 16; gdepth = width = 16;
else } else if (depth < 25) {
gdepth = 24;
width = 32; width = 32;
} else {
gdepth = width = 32;
}
gst_audio_info_set_format (&flacdec->info, gst_audio_info_set_format (&flacdec->info,
gst_audio_format_build_integer (TRUE, G_BYTE_ORDER, width, width), gst_audio_format_build_integer (TRUE, G_BYTE_ORDER, width, gdepth),
metadata->data.stream_info.sample_rate, metadata->data.stream_info.sample_rate,
metadata->data.stream_info.channels, NULL); metadata->data.stream_info.channels, NULL);
@ -551,7 +555,7 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
GstFlowReturn ret = GST_FLOW_OK; GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *outbuf; GstBuffer *outbuf;
guint depth = frame->header.bits_per_sample; guint depth = frame->header.bits_per_sample;
guint width; guint width, gdepth;
guint sample_rate = frame->header.sample_rate; guint sample_rate = frame->header.sample_rate;
guint channels = frame->header.channels; guint channels = frame->header.channels;
guint samples = frame->header.blocksize; guint samples = frame->header.blocksize;
@ -574,17 +578,20 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
switch (depth) { switch (depth) {
case 8: case 8:
width = 8; gdepth = width = 8;
break; break;
case 12: case 12:
case 16: case 16:
width = 16; gdepth = width = 16;
break; break;
case 20: case 20:
case 24: case 24:
case 32: gdepth = 24;
width = 32; width = 32;
break; break;
case 32:
gdepth = width = 32;
break;
default: default:
GST_ERROR_OBJECT (flacdec, "unsupported depth %d", depth); GST_ERROR_OBJECT (flacdec, "unsupported depth %d", depth);
ret = GST_FLOW_ERROR; ret = GST_FLOW_ERROR;
@ -601,9 +608,10 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
} }
} }
caps_changed = (sample_rate != flacdec->info.rate) caps_changed = (sample_rate != GST_AUDIO_INFO_RATE (&flacdec->info))
|| (width != flacdec->info.finfo->width) || (width != GST_AUDIO_INFO_WIDTH (&flacdec->info))
|| (channels != flacdec->info.channels); || (gdepth != GST_AUDIO_INFO_DEPTH (&flacdec->info))
|| (channels != GST_AUDIO_INFO_CHANNELS (&flacdec->info));
if (caps_changed if (caps_changed
|| !gst_pad_has_current_caps (GST_AUDIO_DECODER_SRC_PAD (flacdec))) { || !gst_pad_has_current_caps (GST_AUDIO_DECODER_SRC_PAD (flacdec))) {
@ -611,7 +619,7 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
channels); channels);
gst_audio_info_set_format (&flacdec->info, gst_audio_info_set_format (&flacdec->info,
gst_audio_format_build_integer (TRUE, G_BYTE_ORDER, width, width), gst_audio_format_build_integer (TRUE, G_BYTE_ORDER, width, gdepth),
sample_rate, channels, NULL); sample_rate, channels, NULL);
memcpy (flacdec->info.position, memcpy (flacdec->info.position,
@ -638,10 +646,11 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
gint8 *outbuffer = (gint8 *) map.data; gint8 *outbuffer = (gint8 *) map.data;
gint *reorder_map = flacdec->channel_reorder_map; gint *reorder_map = flacdec->channel_reorder_map;
if (width != depth) { if (gdepth != depth) {
for (i = 0; i < samples; i++) { for (i = 0; i < samples; i++) {
for (j = 0; j < channels; j++) { for (j = 0; j < channels; j++) {
*outbuffer++ = (gint8) (buffer[reorder_map[j]][i] << (width - depth)); *outbuffer++ =
(gint8) (buffer[reorder_map[j]][i] << (gdepth - depth));
} }
} }
} else { } else {
@ -655,11 +664,11 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
gint16 *outbuffer = (gint16 *) map.data; gint16 *outbuffer = (gint16 *) map.data;
gint *reorder_map = flacdec->channel_reorder_map; gint *reorder_map = flacdec->channel_reorder_map;
if (width != depth) { if (gdepth != depth) {
for (i = 0; i < samples; i++) { for (i = 0; i < samples; i++) {
for (j = 0; j < channels; j++) { for (j = 0; j < channels; j++) {
*outbuffer++ = *outbuffer++ =
(gint16) (buffer[reorder_map[j]][i] << (width - depth)); (gint16) (buffer[reorder_map[j]][i] << (gdepth - depth));
} }
} }
} else { } else {
@ -673,11 +682,11 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
gint32 *outbuffer = (gint32 *) map.data; gint32 *outbuffer = (gint32 *) map.data;
gint *reorder_map = flacdec->channel_reorder_map; gint *reorder_map = flacdec->channel_reorder_map;
if (width != depth) { if (gdepth != depth) {
for (i = 0; i < samples; i++) { for (i = 0; i < samples; i++) {
for (j = 0; j < channels; j++) { for (j = 0; j < channels; j++) {
*outbuffer++ = *outbuffer++ =
(gint32) (buffer[reorder_map[j]][i] << (width - depth)); (gint32) (buffer[reorder_map[j]][i] << (gdepth - depth));
} }
} }
} else { } else {