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ext/flac/gstflacdec.c: We actually support left/side, right/side and mid/side files. The conversion to normal, interl...

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Original commit message from CVS:
* ext/flac/gstflacdec.c: (gst_flac_dec_write):
We actually support left/side, right/side and mid/side files. The
conversion to normal, interleaved stereo is done by libflac.
This commit is contained in:
Sebastian Dröge 2008-06-04 08:54:09 +00:00
parent 636372f384
commit ef66d037f1
2 changed files with 76 additions and 7 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2008-06-04 Sebastian Dröge <slomo@circular-chaos.org>
* ext/flac/gstflacdec.c: (gst_flac_dec_write):
We actually support left/side, right/side and mid/side files. The
conversion to normal, interleaved stereo is done by libflac.
2008-06-04 Sebastian Dröge <slomo@circular-chaos.org>
* gst/matroska/ebml-write.c: (gst_ebml_write_finalize),

77
ext/flac/gstflacdec.c
View file

@ -115,24 +115,35 @@ GST_ELEMENT_DETAILS ("FLAC audio decoder",
static void gst_flac_dec_finalize (GObject * object);
static void gst_flac_dec_loop (GstPad * pad);
static GstStateChangeReturn gst_flac_dec_change_state (GstElement * element,
GstStateChange transition);
static const GstQueryType *gst_flac_dec_get_src_query_types (GstPad * pad);
static const GstQueryType *gst_flac_dec_get_sink_query_types (GstPad * pad);
static gboolean gst_flac_dec_sink_query (GstPad * pad, GstQuery * query);
static gboolean gst_flac_dec_src_query (GstPad * pad, GstQuery * query);
static gboolean gst_flac_dec_convert_src (GstPad * pad, GstFormat src_format,
gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
static gboolean gst_flac_dec_src_event (GstPad * pad, GstEvent * event);
static gboolean gst_flac_dec_sink_activate (GstPad * sinkpad);
static gboolean gst_flac_dec_sink_activate_pull (GstPad * sinkpad,
gboolean active);
static gboolean gst_flac_dec_sink_activate_push (GstPad * sinkpad,
gboolean active);
static gboolean gst_flac_dec_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_flac_dec_chain (GstPad * pad, GstBuffer * buf);
static void gst_flac_dec_reset_decoders (GstFlacDec * flacdec);
static void gst_flac_dec_setup_seekable_decoder (GstFlacDec * flacdec);
static void gst_flac_dec_setup_stream_decoder (GstFlacDec * flacdec);
#ifdef LEGACY_FLAC
@ -214,6 +225,7 @@ static void
gst_flac_dec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstCaps *raw_caps, *flac_caps;
raw_caps = gst_caps_from_string (GST_FLAC_DEC_SRC_CAPS);
@ -234,6 +246,7 @@ static void
gst_flac_dec_class_init (GstFlacDecClass * klass)
{
GstElementClass *gstelement_class;
GObjectClass *gobject_class;
gstelement_class = (GstElementClass *) klass;
@ -405,6 +418,7 @@ gst_flac_dec_update_metadata (GstFlacDec * flacdec,
const FLAC__StreamMetadata * metadata)
{
GstTagList *list;
guint num, i;
list = gst_tag_list_new ();
@ -493,9 +507,13 @@ gst_flac_dec_scan_got_frame (GstFlacDec * flacdec, guint8 * data, guint size,
gint64 * last_sample_num)
{
guint headerlen;
guint sr_from_end = 0; /* can be 0, 8 or 16 */
guint bs_from_end = 0; /* can be 0, 8 or 16 */
guint32 val = 0;
guint8 bs, sr, ca, ss, pb;
if (size < 10)
@ -564,6 +582,7 @@ static void
gst_flac_dec_scan_for_last_block (GstFlacDec * flacdec, gint64 * samples)
{
GstFormat format = GST_FORMAT_BYTES;
gint64 file_size, offset;
GST_INFO_OBJECT (flacdec, "total number of samples unknown, scanning file");
@ -578,8 +597,11 @@ gst_flac_dec_scan_for_last_block (GstFlacDec * flacdec, gint64 * samples)
offset = file_size - 1;
while (offset >= MAX (SCANBLOCK_SIZE / 2, file_size / 2)) {
GstFlowReturn flow;
GstBuffer *buf = NULL;
guint8 *data;
guint size;
/* divide by 2 = not very sophisticated way to deal with overlapping */
@ -650,9 +672,13 @@ gst_flac_extract_picture_buffer (GstFlacDec * flacdec,
{
/* Most of this is copied from gst/id3demux/id3v2frames.c */
gchar *mime_type;
GstBuffer *image;
GstCaps *image_caps;
FLAC__StreamMetadata_Picture picture;
gboolean is_pic_uri;
g_return_if_fail (metadata->type == FLAC__METADATA_TYPE_PICTURE);
@ -919,8 +945,11 @@ gst_flac_dec_length (const FLAC__StreamDecoder * decoder,
#endif
{
GstFlacDec *flacdec;
GstFormat fmt = GST_FORMAT_BYTES;
gint64 len;
GstPad *peer;
flacdec = GST_FLAC_DEC (client_data);
@ -961,9 +990,13 @@ gst_flac_dec_eof (const FLAC__StreamDecoder * decoder, void *client_data)
#endif
{
GstFlacDec *flacdec;
GstFormat fmt;
GstPad *peer;
gboolean ret = FALSE;
gint64 len;
flacdec = GST_FLAC_DEC (client_data);
@ -997,6 +1030,7 @@ gst_flac_dec_read_seekable (const FLAC__StreamDecoder * decoder,
#endif
{
GstFlacDec *flacdec;
GstBuffer *buf;
flacdec = GST_FLAC_DEC (client_data);
@ -1034,6 +1068,7 @@ gst_flac_dec_read_stream (const FLAC__StreamDecoder * decoder,
#endif
{
GstFlacDec *dec = GST_FLAC_DEC (client_data);
guint len;
len = MIN (gst_adapter_available (dec->adapter), *bytes);
@ -1058,12 +1093,19 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
const FLAC__int32 * const buffer[])
{
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *outbuf;
guint depth = frame->header.bits_per_sample;
guint width;
guint channels = frame->header.channels;
guint samples = frame->header.blocksize;
guint j, i;
GstClockTime next;
switch (depth) {
@ -1085,13 +1127,6 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
goto done;
}
/* TODO: we don't support left/side, right/side and mid/side */
if (frame->header.channel_assignment != FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT) {
GST_ERROR_OBJECT (flacdec, "unsupported channel assignment: %s\n",
FLAC__ChannelAssignmentString[frame->header.channel_assignment]);
return GST_FLOW_ERROR;
}
if (!GST_PAD_CAPS (flacdec->srcpad)) {
GstCaps *caps;
@ -1254,6 +1289,7 @@ gst_flac_dec_loop (GstPad * sinkpad)
FLAC__SeekableStreamDecoderState s;
#else
FLAC__StreamDecoderState s;
FLAC__StreamDecoderInitStatus is;
#endif
@ -1430,6 +1466,7 @@ static gboolean
gst_flac_dec_sink_event (GstPad * pad, GstEvent * event)
{
GstFlacDec *dec;
gboolean res;
dec = GST_FLAC_DEC (gst_pad_get_parent (pad));
@ -1445,8 +1482,11 @@ gst_flac_dec_sink_event (GstPad * pad, GstEvent * event)
}
case GST_EVENT_NEWSEGMENT:{
GstFormat fmt;
gboolean update;
gdouble rate, applied_rate;
gint64 cur, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
@ -1509,6 +1549,7 @@ gst_flac_dec_chain (GstPad * pad, GstBuffer * buf)
FLAC__StreamDecoderInitStatus s;
#endif
GstFlacDec *dec;
gboolean got_audio_frame;
dec = GST_FLAC_DEC (GST_PAD_PARENT (pad));
@ -1666,6 +1707,7 @@ static gboolean
gst_flac_dec_sink_query (GstPad * pad, GstQuery * query)
{
GstFlacDec *dec;
gboolean res = FALSE;
dec = GST_FLAC_DEC (gst_pad_get_parent (pad));
@ -1675,6 +1717,7 @@ gst_flac_dec_sink_query (GstPad * pad, GstQuery * query)
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, NULL);
@ -1704,8 +1747,11 @@ gst_flac_dec_convert_src (GstPad * pad, GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
GstFlacDec *flacdec = GST_FLAC_DEC (GST_PAD_PARENT (pad));
gboolean res = TRUE;
guint bytes_per_sample;
guint scale = 1;
if (flacdec->width == 0 || flacdec->channels == 0 ||
@ -1785,7 +1831,9 @@ static gboolean
gst_flac_dec_src_query (GstPad * pad, GstQuery * query)
{
GstFlacDec *flacdec;
gboolean res = TRUE;
GstPad *peer;
flacdec = GST_FLAC_DEC (gst_pad_get_parent (pad));
@ -1794,6 +1842,7 @@ gst_flac_dec_src_query (GstPad * pad, GstQuery * query)
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:{
GstFormat fmt;
gint64 pos;
gst_query_parse_position (query, &fmt, NULL);
@ -1825,6 +1874,7 @@ gst_flac_dec_src_query (GstPad * pad, GstQuery * query)
case GST_QUERY_DURATION:{
GstFormat fmt;
gint64 len;
gst_query_parse_duration (query, &fmt, NULL);
@ -1868,6 +1918,7 @@ gst_flac_dec_src_query (GstPad * pad, GstQuery * query)
case GST_QUERY_CONVERT:{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, NULL);
@ -1902,15 +1953,25 @@ static gboolean
gst_flac_dec_handle_seek_event (GstFlacDec * flacdec, GstEvent * event)
{
FLAC__bool seek_ok;
GstSeekFlags seek_flags;
GstSeekType start_type;
GstSeekType stop_type;
GstSegment segment;
GstFormat seek_format;
gboolean only_update = FALSE;
gboolean flush;
gdouble rate;
gint64 start, last_stop;
gint64 stop;
if (flacdec->seekable_decoder == NULL) {
@ -2098,6 +2159,7 @@ static gboolean
gst_flac_dec_src_event (GstPad * pad, GstEvent * event)
{
gboolean res = TRUE;
GstFlacDec *flacdec = GST_FLAC_DEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
@ -2167,6 +2229,7 @@ static GstStateChangeReturn
gst_flac_dec_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstFlacDec *flacdec = GST_FLAC_DEC (element);
switch (transition) {