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authorEdgard Lima <edgard.lima@indt.org.br>2005-11-25 19:58:19 +0000
committerEdgard Lima <edgard.lima@indt.org.br>2005-11-25 19:58:19 +0000
commitb066913324c8e5923dc036e5eefb02e5965f8790 (patch)
tree0af650a82c8a85983e0257199dc81a9c8eb7110b /ext/wavpack
parent584acf39528aa7faac911cee528b6f09d9d2855c (diff)
downloadgst-plugins-bad-b066913324c8e5923dc036e5eefb02e5965f8790.tar.gz
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Wavpack ported to 0.9. No support for correction file yet.
Original commit message from CVS: Wavpack ported to 0.9. No support for correction file yet.
Diffstat (limited to 'ext/wavpack')
-rw-r--r--ext/wavpack/Makefile.am8
-rw-r--r--ext/wavpack/gstwavpackdec.c136
-rw-r--r--ext/wavpack/gstwavpackdec.h7
-rw-r--r--ext/wavpack/gstwavpackparse.c468
-rw-r--r--ext/wavpack/gstwavpackparse.h7
5 files changed, 390 insertions, 236 deletions
diff --git a/ext/wavpack/Makefile.am b/ext/wavpack/Makefile.am
index b2ca835e..6660a726 100644
--- a/ext/wavpack/Makefile.am
+++ b/ext/wavpack/Makefile.am
@@ -1,10 +1,10 @@
plugin_LTLIBRARIES = libgstwavpack.la
-libgstwavpack_la_SOURCES = gstwavpack.c \
- gstwavpackcommon.c \
- gstwavpackparse.c \
- gstwavpackdec.c
+libgstwavpack_la_SOURCES = gstwavpack.c \
+ gstwavpackcommon.c \
+ gstwavpackparse.c \
+ gstwavpackdec.c
libgstwavpack_la_CFLAGS = $(GST_CFLAGS) $(WAVPACK_CFLAGS)
libgstwavpack_la_LIBADD = $(WAVPACK_LIBS)
diff --git a/ext/wavpack/gstwavpackdec.c b/ext/wavpack/gstwavpackdec.c
index d9fa074c..de7e87fd 100644
--- a/ext/wavpack/gstwavpackdec.c
+++ b/ext/wavpack/gstwavpackdec.c
@@ -76,20 +76,20 @@ static void gst_wavpack_dec_class_init (GstWavpackDecClass * klass);
static void gst_wavpack_dec_base_init (GstWavpackDecClass * klass);
static void gst_wavpack_dec_init (GstWavpackDec * wavpackdec);
-static void gst_wavpack_dec_loop (GstElement * element);
+static GstFlowReturn gst_wavpack_dec_chain (GstPad * pad, GstBuffer * buffer);
static GstElementClass *parent = NULL;
static GstPadLinkReturn
-gst_wavpack_dec_link (GstPad * pad, const GstCaps * caps)
+gst_wavpack_dec_link (GstPad * pad, GstPad * peer)
{
GstWavpackDec *wavpackdec = GST_WAVPACK_DEC (gst_pad_get_parent (pad));
- GstStructure *structure = gst_caps_get_structure (caps, 0);
+ GstStructure *structure = gst_caps_get_structure (GST_PAD_CAPS (peer), 0);
GstCaps *srccaps;
gint bits;
- if (!gst_caps_is_fixed (caps))
- return GST_PAD_LINK_DELAYED;
+ if (!gst_caps_is_fixed (GST_PAD_CAPS (peer)))
+ return GST_PAD_LINK_REFUSED;
gst_structure_get_int (structure, "rate",
(gint32 *) & wavpackdec->samplerate);
@@ -114,24 +114,22 @@ gst_wavpack_dec_link (GstPad * pad, const GstCaps * caps)
"endianness", G_TYPE_INT, LITTLE_ENDIAN,
"buffer-frames", G_TYPE_INT, 0, NULL);
}
+ gst_pad_set_caps (wavpackdec->srcpad, srccaps);
+ gst_pad_use_fixed_caps (wavpackdec->srcpad);
- gst_pad_set_explicit_caps (wavpackdec->srcpad, srccaps);
-
- // blocks are usually 0.5 seconds long, assume that's always the case for now
- wavpackdec->decodebuf =
- (int32_t *) g_malloc ((wavpackdec->samplerate / 2) *
- wavpackdec->channels * sizeof (int32_t));
return GST_PAD_LINK_OK;
}
+#if 0
static GstPadLinkReturn
-gst_wavpack_dec_wvclink (GstPad * pad, const GstCaps * caps)
+gst_wavpack_dec_wvclink (GstPad * pad, GstPad * peer)
{
- if (!gst_caps_is_fixed (caps))
- return GST_PAD_LINK_DELAYED;
+ if (!gst_caps_is_fixed (GST_PAD_CAPS (peer)))
+ return GST_PAD_LINK_REFUSED;
return GST_PAD_LINK_OK;
}
+#endif
GType
gst_wavpack_dec_get_type (void)
@@ -201,10 +199,9 @@ gst_wavpack_dec_class_init (GstWavpackDecClass * klass)
}
static gboolean
-gst_wavpack_dec_src_query (GstPad * pad, GstQueryType type,
- GstFormat * format, gint64 * value)
+gst_wavpack_dec_src_query (GstPad * pad, GstQuery * query)
{
- return gst_pad_query_default (pad, type, format, value);
+ return gst_pad_query_default (pad, query);
}
static void
@@ -215,27 +212,31 @@ gst_wavpack_dec_init (GstWavpackDec * wavpackdec)
wavpackdec->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"sink"), "sink");
+ gst_element_add_pad (GST_ELEMENT (wavpackdec), wavpackdec->sinkpad);
+
+ gst_pad_set_chain_function (wavpackdec->sinkpad, gst_wavpack_dec_chain);
gst_pad_set_link_function (wavpackdec->sinkpad, gst_wavpack_dec_link);
+#if 0
wavpackdec->wvcsinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"wvcsink"), "wvcsink");
gst_pad_set_link_function (wavpackdec->wvcsinkpad, gst_wavpack_dec_wvclink);
+ gst_element_add_pad (GST_ELEMENT (wavpackdec), wavpackdec->wvcsinkpad);
+#endif
+
wavpackdec->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"src"), "src");
- gst_pad_use_explicit_caps (wavpackdec->srcpad);
+ gst_pad_use_fixed_caps (wavpackdec->srcpad);
gst_pad_set_query_function (wavpackdec->srcpad, gst_wavpack_dec_src_query);
- gst_element_add_pad (GST_ELEMENT (wavpackdec), wavpackdec->sinkpad);
gst_element_add_pad (GST_ELEMENT (wavpackdec), wavpackdec->srcpad);
- gst_element_add_pad (GST_ELEMENT (wavpackdec), wavpackdec->wvcsinkpad);
- gst_element_set_loop_function (GST_ELEMENT (wavpackdec),
- gst_wavpack_dec_loop);
wavpackdec->decodebuf = NULL;
+ wavpackdec->decodebuf_size = 0;
wavpackdec->stream = (WavpackStream *) g_malloc0 (sizeof (WavpackStream));
wavpackdec->context = (WavpackContext *) g_malloc0 (sizeof (WavpackContext));
}
@@ -246,6 +247,7 @@ gst_wavpack_dec_setup_context (GstWavpackDec * wavpackdec, guchar * data,
{
WavpackContext *context = wavpackdec->context;
WavpackStream *stream = wavpackdec->stream;
+ guint buffer_size;
memset (context, 0, sizeof (context));
@@ -267,6 +269,14 @@ gst_wavpack_dec_setup_context (GstWavpackDec * wavpackdec, guchar * data,
context->wvc_flag = FALSE;
}
+ buffer_size =
+ stream->wphdr.block_samples * wavpackdec->channels * sizeof (int32_t);
+ if (wavpackdec->decodebuf_size < buffer_size) {
+ wavpackdec->decodebuf =
+ (int32_t *) g_realloc (wavpackdec->decodebuf, buffer_size);
+ wavpackdec->decodebuf_size = buffer_size;
+ }
+
unpack_init (context);
}
@@ -317,71 +327,25 @@ gst_wavpack_dec_format_samples (GstWavpackDec * wavpackdec, int32_t * samples,
return buf;
}
-
-static void
-gst_wavpack_dec_loop (GstElement * element)
+static GstFlowReturn
+gst_wavpack_dec_chain (GstPad * pad, GstBuffer * buf)
{
- GstWavpackDec *wavpackdec = GST_WAVPACK_DEC (element);
- GstData *data, *cdata = NULL;
- GstBuffer *buf, *outbuf, *cbuf = NULL;
-
- gboolean got_event = FALSE;
-
- if (!gst_pad_is_linked (wavpackdec->sinkpad)) {
- return;
- }
- /*
- if (!gst_pad_is_linked (wavpackdec->wvcsinkpad)) {
- return;
- }
- */
-
- data = gst_pad_pull (wavpackdec->sinkpad);
-
- if (GST_IS_EVENT (data)) {
- GstEvent *event = GST_EVENT (data);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- gst_event_unref (event);
- gst_pad_push (wavpackdec->srcpad,
- GST_DATA (gst_event_new (GST_EVENT_EOS)));
- gst_element_set_eos (element);
- break;
- default:
- gst_pad_event_default (wavpackdec->srcpad, event);
- break;
- }
- got_event = TRUE;
- }
+ GstWavpackDec *wavpackdec = GST_WAVPACK_DEC (gst_pad_get_parent (pad));
+ GstBuffer *outbuf, *cbuf = NULL;
+ GstFlowReturn ret = GST_FLOW_OK;
+#if 0
if (gst_pad_is_linked (wavpackdec->wvcsinkpad)) {
- cdata = gst_pad_pull (wavpackdec->wvcsinkpad);
- if (GST_IS_EVENT (cdata)) {
- GstEvent *event = GST_EVENT (cdata);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- gst_event_unref (event);
- gst_pad_push (wavpackdec->srcpad,
- GST_DATA (gst_event_new (GST_EVENT_EOS)));
- gst_element_set_eos (element);
- break;
- default:
- gst_pad_event_default (wavpackdec->srcpad, event);
- break;
- }
- got_event = TRUE;
+ if (GST_FLOW_OK != gst_pad_pull_range (wavpackdec->wvcsinkpad,
+ wavpackdec->wvcflushed_bytes, -1, &cbuf)) {
+ cbuf = NULL;
} else {
- cbuf = GST_BUFFER (cdata);
+ wavpackdec->wvcflushed_bytes += GST_BUFFER_SIZE (cbuf);
}
- }
-
- if (got_event)
- return;
- buf = GST_BUFFER (data);
+ }
+#endif
gst_wavpack_dec_setup_context (wavpackdec, GST_BUFFER_DATA (buf),
cbuf ? GST_BUFFER_DATA (cbuf) : NULL);
@@ -393,9 +357,19 @@ gst_wavpack_dec_loop (GstElement * element)
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
+
gst_buffer_unref (buf);
+ if (cbuf) {
+ gst_buffer_unref (cbuf);
+ }
+
+ gst_buffer_set_caps (outbuf, GST_PAD_CAPS (wavpackdec->srcpad));
+ if (GST_FLOW_OK != (ret = gst_pad_push (wavpackdec->srcpad, outbuf))) {
+ gst_buffer_unref (outbuf);
+ }
+
+ return ret;
- gst_pad_push (wavpackdec->srcpad, GST_DATA (outbuf));
}
gboolean
diff --git a/ext/wavpack/gstwavpackdec.h b/ext/wavpack/gstwavpackdec.h
index 32fc48d1..1f4a3835 100644
--- a/ext/wavpack/gstwavpackdec.h
+++ b/ext/wavpack/gstwavpackdec.h
@@ -48,11 +48,14 @@ struct _GstWavpackDec
GstElement element;
GstPad *sinkpad, *srcpad;
+#if 0
GstPad *wvcsinkpad;
+#endif
WavpackContext *context;
int32_t *decodebuf;
+ guint decodebuf_size;
WavpackStream *stream;
@@ -61,6 +64,10 @@ struct _GstWavpackDec
guint width;
long frame_length;
+ guint64 wvcflushed_bytes;
+ guint64 duration;
+ guint64 wvcduration;
+
guchar *decdata;
long *cache;
};
diff --git a/ext/wavpack/gstwavpackparse.c b/ext/wavpack/gstwavpackparse.c
index 31468e26..4ba0bf52 100644
--- a/ext/wavpack/gstwavpackparse.c
+++ b/ext/wavpack/gstwavpackparse.c
@@ -69,10 +69,15 @@ static void gst_wavpack_parse_class_init (GstWavpackParseClass * klass);
static void gst_wavpack_parse_base_init (GstWavpackParseClass * klass);
static void gst_wavpack_parse_init (GstWavpackParse * wavpackparse);
-static void gst_wavpack_parse_handle_event (GstElement * element);
+static gboolean gst_wavepack_parse_sink_activate (GstPad * sinkpad);
+static gboolean
+gst_wavepack_parse_sink_activate_pull (GstPad * sinkpad, gboolean active);
+
+static gboolean gst_wavpack_parse_sink_event (GstPad * pad, GstEvent * event);
+
static void gst_wavpack_parse_loop (GstElement * element);
-static GstElementStateReturn gst_wavpack_parse_change_state (GstElement *
- element);
+static GstStateChangeReturn gst_wavpack_parse_change_state (GstElement *
+ element, GstStateChange transition);
static GstElementClass *parent = NULL;
@@ -141,61 +146,97 @@ gst_wavpack_parse_class_init (GstWavpackParseClass * klass)
}
static gboolean
-gst_wavpack_parse_src_query (GstPad * pad, GstQueryType type,
- GstFormat * format, gint64 * value)
+gst_wavpack_parse_src_query (GstPad * pad, GstQuery * query)
{
GstWavpackParse *wavpackparse = GST_WAVPACK_PARSE (gst_pad_get_parent (pad));
-
- if ((type == GST_QUERY_TOTAL) && (*format == GST_FORMAT_TIME)) {
- if (wavpackparse->total_samples == 0) {
- *value = 0;
- return FALSE;
- }
- *value =
- ((gdouble) wavpackparse->total_samples /
- (gdouble) wavpackparse->samplerate) * GST_SECOND;
- return TRUE;
- } else if ((type == GST_QUERY_POSITION) && (*format == GST_FORMAT_TIME)) {
- *value = wavpackparse->timestamp;
- return TRUE;
- } else {
- return gst_pad_query_default (pad, type, format, value);
+ GstFormat format = GST_FORMAT_DEFAULT;
+ gint64 value;
+ gboolean ret = FALSE;
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_POSITION:
+ gst_query_parse_position (query, &format, &value);
+ if (format == GST_FORMAT_TIME) {
+ value = wavpackparse->timestamp;
+ gst_query_set_duration (query, format, value);
+ g_object_unref (wavpackparse);
+ ret = TRUE;
+ break;
+ }
+ break;
+ case GST_QUERY_DURATION:
+ gst_query_parse_duration (query, &format, &value);
+
+ if (format == GST_FORMAT_TIME) {
+ if (wavpackparse->total_samples == 0) {
+ value = 0;
+ gst_query_set_duration (query, format, value);
+ g_object_unref (wavpackparse);
+ ret = FALSE;
+ break;
+ }
+ value = ((gdouble) wavpackparse->total_samples /
+ (gdouble) wavpackparse->samplerate) * GST_SECOND;
+ gst_query_set_duration (query, format, value);
+ g_object_unref (wavpackparse);
+ ret = TRUE;
+ break;
+ }
+ break;
+ default:
+ g_object_unref (wavpackparse);
+ ret = gst_pad_query_default (pad, query);
+ break;
}
- return FALSE;
+
+ return ret;
+
}
static gboolean
gst_wavpack_parse_src_event (GstPad * pad, GstEvent * event)
{
GstWavpackParse *wavpackparse;
- GstSeekType method;
+ GstSeekType type;
GstFormat format;
gboolean need_flush;
gint64 offset, dest;
+ GstSeekFlags flags;
+ gboolean ret = TRUE;
wavpackparse = GST_WAVPACK_PARSE (gst_pad_get_parent (pad));
if (GST_EVENT_TYPE (event) != GST_EVENT_SEEK) {
- return gst_pad_send_event (GST_PAD_PEER (wavpackparse->sinkpad), event);
+ GstPad *peer;
+
+ if (!(peer = gst_pad_get_peer (wavpackparse->sinkpad))) {
+ ret = FALSE;
+ goto done;
+ }
+ ret = gst_pad_send_event (peer, event);
+ gst_object_unref (peer);
+ goto done;
}
- format = GST_EVENT_SEEK_FORMAT (event);
- offset = GST_EVENT_SEEK_OFFSET (event);
- method = GST_EVENT_SEEK_METHOD (event);
- need_flush = GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH;
+ gst_event_parse_seek (event, NULL, &format, &flags, &type, &offset, NULL,
+ NULL);
+
+ need_flush = flags & GST_SEEK_FLAG_FLUSH;
- gst_data_unref (GST_DATA (event));
- event = NULL;
- if (offset < 0 || method != GST_SEEK_METHOD_SET)
- return FALSE;
+
+ if (offset < 0 || type != GST_SEEK_TYPE_SET) {
+ ret = FALSE;
+ goto done;
+ }
if (format == GST_FORMAT_TIME) {
dest = offset * wavpackparse->samplerate / GST_SECOND;
} else if (format == GST_FORMAT_DEFAULT) {
dest = offset;
} else {
- return FALSE;
+ ret = FALSE;
+ goto done;
}
wavpackparse->need_discont = TRUE;
@@ -204,50 +245,65 @@ gst_wavpack_parse_src_event (GstPad * pad, GstEvent * event)
wavpackparse->seek_pending = TRUE;
wavpackparse->seek_offset = dest;
- return TRUE;
+done:
+ gst_event_unref (event);
+ gst_object_unref (wavpackparse);
+ return ret;
}
#define BUFSIZE 4096
static guint64
-find_header (GstByteStream * bs, guint64 filepos, WavpackHeader * wphdr)
+find_header (GstWavpackParse * wavpackparse, guint64 filepos,
+ WavpackHeader * wphdr)
{
guint64 pos = filepos;
+ gint read = 0;
+ GstBuffer *buf = NULL;
- gst_bytestream_seek (bs, filepos, GST_SEEK_METHOD_SET);
+ while (TRUE) {
+ guint8 *cur;
- while (1) {
- guint8 *data, *cur;
- gint read;
-
- read = gst_bytestream_peek_bytes (bs, &data, BUFSIZE);
- while (read != BUFSIZE) {
- guint remaining;
- GstEvent *event = NULL;
-
- gst_bytestream_get_status (bs, &remaining, &event);
- if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
- gst_event_unref (event);
- return gst_bytestream_length (bs);
- }
- gst_event_unref (event);
- read = gst_bytestream_peek_bytes (bs, &data, BUFSIZE);
- continue;
+ if (GST_FLOW_OK != gst_pad_pull_range (wavpackparse->sinkpad,
+ wavpackparse->flushed_bytes + filepos, BUFSIZE, &buf)) {
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ return 0;
+ }
+ read = GST_BUFFER_SIZE (buf);
+
+ if (read == 0) {
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ gst_buffer_unref (buf);
+ return 0;
}
- cur = data;
+
+ cur = GST_BUFFER_DATA (buf);
do {
if (cur[0] == 'w' && cur[1] == 'v' && cur[2] == 'p' && cur[3] == 'k') {
gst_wavpack_read_header (wphdr, cur);
- return pos + (cur - data);
+ pos += (cur - GST_BUFFER_DATA (buf));
+ gst_buffer_unref (buf);
+ buf = NULL;
+ return pos;
}
cur++;
- } while ((cur - data) < (BUFSIZE - sizeof (WavpackHeader)));
- gst_bytestream_flush_fast (bs, BUFSIZE - sizeof (WavpackHeader));
+ } while ((cur - GST_BUFFER_DATA (buf)) <
+ (BUFSIZE - sizeof (WavpackHeader)));
+
+ wavpackparse->flushed_bytes += BUFSIZE - sizeof (WavpackHeader);
+
pos += BUFSIZE - sizeof (WavpackHeader);
}
/* never reached */
- return gst_bytestream_length (bs);
+
+ if (buf) {
+ gst_buffer_unref (buf);
+ buf = NULL;
+ }
+ return wavpackparse->duration - wavpackparse->flushed_bytes;
}
/* find the position of sample in the input bytestream, adapted from the
@@ -256,13 +312,14 @@ static guint64
find_sample (GstWavpackParse * wavpackparse, guint32 sample)
{
WavpackHeader wphdr;
- guint64 file_pos1 = 0, file_pos2 = gst_bytestream_length (wavpackparse->bs);
+ guint64 file_pos1 = 0;
+ guint64 file_pos2 = wavpackparse->duration - wavpackparse->flushed_bytes;
guint64 sample_pos1 = 0, sample_pos2 = wavpackparse->total_samples;
double ratio = 0.96;
int file_skip = 0;
if (sample >= wavpackparse->total_samples) {
- return gst_bytestream_length (wavpackparse->bs);
+ return wavpackparse->duration - wavpackparse->flushed_bytes;
}
while (1) {
@@ -273,15 +330,15 @@ find_sample (GstWavpackParse * wavpackparse, guint32 sample)
bytes_per_sample /= sample_pos2 - sample_pos1;
seek_pos = file_pos1 + (file_skip ? 32 : 0);
seek_pos += (guint64) (bytes_per_sample * (sample - sample_pos1) * ratio);
- seek_pos = find_header (wavpackparse->bs, seek_pos, &wphdr);
+ seek_pos = find_header (wavpackparse, seek_pos, &wphdr);
- if (seek_pos == gst_bytestream_length (wavpackparse->bs)
+ if (seek_pos == wavpackparse->duration - wavpackparse->flushed_bytes
|| seek_pos >= file_pos2) {
if (ratio > 0.0) {
if ((ratio -= 0.24) < 0.0)
ratio = 0.0;
} else {
- return gst_bytestream_length (wavpackparse->bs);
+ return wavpackparse->duration - wavpackparse->flushed_bytes;
}
} else if (wphdr.block_index > sample) {
sample_pos2 = wphdr.block_index;
@@ -303,16 +360,13 @@ find_sample (GstWavpackParse * wavpackparse, guint32 sample)
static void
gst_wavpack_parse_seek (GstWavpackParse * wavpackparse)
{
- guint8 *data;
+ GstBuffer *buf;
gint num;
- guint remaining;
WavpackHeader *header = g_malloc (sizeof (WavpackHeader));
guint64 offset = find_sample (wavpackparse, wavpackparse->seek_offset);
- gst_bytestream_seek (wavpackparse->bs, offset, GST_SEEK_METHOD_SET);
-
- if (offset == gst_bytestream_length (wavpackparse->bs)) {
+ if (offset >= wavpackparse->duration - wavpackparse->flushed_bytes) {
/* seek failed or went beyond the end, go EOS */
wavpackparse->timestamp =
((gdouble) wavpackparse->total_samples /
@@ -320,29 +374,26 @@ gst_wavpack_parse_seek (GstWavpackParse * wavpackparse)
return;
}
- num =
- gst_bytestream_peek_bytes (wavpackparse->bs, &data,
- sizeof (WavpackHeader));
- while (num != sizeof (WavpackHeader)) {
- GstEvent *event = NULL;
+ if (GST_FLOW_OK != gst_pad_pull_range (wavpackparse->sinkpad,
+ wavpackparse->flushed_bytes + offset, sizeof (WavpackHeader), &buf)) {
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ return;
+ }
+ num = GST_BUFFER_SIZE (buf);
- gst_bytestream_get_status (wavpackparse->bs, &remaining, &event);
- if (!event) {
- return;
- }
- gst_event_unref (event);
- num =
- gst_bytestream_peek_bytes (wavpackparse->bs, &data,
- sizeof (WavpackHeader));
- continue;
+ if (num != sizeof (WavpackHeader)) {
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ return;
}
- gst_wavpack_read_header (header, data);
- if (wavpackparse->need_flush) {
- GstEvent *flush = gst_event_new (GST_EVENT_FLUSH);
+ gst_wavpack_read_header (header, GST_BUFFER_DATA (buf));
+ gst_buffer_unref (buf);
- gst_pad_push (wavpackparse->srcpad, GST_DATA (flush));
+ if (wavpackparse->need_flush) {
wavpackparse->need_flush = FALSE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_flush_start ());
}
wavpackparse->need_discont = TRUE;
@@ -356,53 +407,62 @@ gst_wavpack_parse_init (GstWavpackParse * wavpackparse)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (wavpackparse);
+ wavpackparse->duration = -1;
+ wavpackparse->flushed_bytes = -1;
+ wavpackparse->eos = FALSE;
+
wavpackparse->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
"sink"), "sink");
+ gst_pad_set_event_function (wavpackparse->sinkpad,
+ gst_wavpack_parse_sink_event);
+
gst_element_add_pad (GST_ELEMENT (wavpackparse), wavpackparse->sinkpad);
- gst_element_set_loop_function (GST_ELEMENT (wavpackparse),
- gst_wavpack_parse_loop);
- GST_FLAG_SET (wavpackparse, GST_ELEMENT_EVENT_AWARE);
+ gst_pad_set_activate_function (wavpackparse->sinkpad,
+ gst_wavepack_parse_sink_activate);
+
+ gst_pad_set_activatepull_function (wavpackparse->sinkpad,
+ gst_wavepack_parse_sink_activate_pull);
+
+ wavpackparse->srcpad = NULL;
+
}
-static void
-gst_wavpack_parse_handle_event (GstElement * element)
+static gboolean
+gst_wavpack_parse_sink_event (GstPad * pad, GstEvent * event)
{
- GstWavpackParse *wavpackparse = GST_WAVPACK_PARSE (element);
- GstEvent *event = NULL;
- guint remaining;
-
- gst_bytestream_get_status (wavpackparse->bs, &remaining, &event);
- if (event) {
- if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
- if (GST_IS_PAD (wavpackparse->srcpad)
- && gst_pad_is_active (wavpackparse->srcpad))
- gst_pad_push (wavpackparse->srcpad, GST_DATA (event));
- gst_element_set_eos (element);
- } else if (GST_EVENT_TYPE (event) == GST_EVENT_DISCONTINUOUS) {
- if (GST_IS_PAD (wavpackparse->srcpad)
- && gst_pad_is_active (wavpackparse->srcpad))
- gst_pad_event_default (wavpackparse->srcpad, event);
- } else {
- gst_event_unref (event);
- }
- } else {
- GST_ELEMENT_ERROR (element, STREAM, DEMUX, ("couldn't read wavpack header"),
- (NULL));
+ GstWavpackParse *wavpackparse = GST_WAVPACK_PARSE (gst_pad_get_parent (pad));
+ gboolean res = TRUE;
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_EOS:
+ wavpackparse->eos = TRUE;
+ /* fall through */
+ default:
+ res = gst_pad_event_default (pad, event);
+ gst_object_unref (wavpackparse);
+ return res;
+ break;
}
+
}
static void
gst_wavpack_parse_loop (GstElement * element)
{
GstWavpackParse *wavpackparse = GST_WAVPACK_PARSE (element);
- guint8 *data;
gint num;
GstBuffer *buf;
WavpackHeader *header = g_malloc (sizeof (WavpackHeader));
+ GST_PAD_STREAM_LOCK (wavpackparse->sinkpad);
+
+ if (wavpackparse->eos) {
+ goto done;
+ }
+
if (wavpackparse->seek_pending) {
gst_wavpack_parse_seek (wavpackparse);
wavpackparse->need_discont = TRUE;
@@ -410,45 +470,68 @@ gst_wavpack_parse_loop (GstElement * element)
}
if (wavpackparse->need_discont) {
- if (GST_IS_PAD (wavpackparse->srcpad)
- && gst_pad_is_active (wavpackparse->srcpad))
- gst_pad_push (wavpackparse->srcpad,
- GST_DATA (gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME,
- wavpackparse->timestamp, GST_FORMAT_UNDEFINED)));
- wavpackparse->need_discont = FALSE;
+ if (GST_IS_PAD (wavpackparse->srcpad)) {
+ gst_pad_push_event (wavpackparse->srcpad,
+ gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
+ wavpackparse->timestamp, GST_CLOCK_TIME_NONE, 0));
+
+ wavpackparse->need_discont = FALSE;
+ }
+ }
+
+ if (GST_FLOW_OK != gst_pad_pull_range (wavpackparse->sinkpad,
+ wavpackparse->flushed_bytes, sizeof (WavpackHeader), &buf)) {
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ goto done;
}
+ num = GST_BUFFER_SIZE (buf);
- num =
- gst_bytestream_peek_bytes (wavpackparse->bs, &data,
- sizeof (WavpackHeader));
if (num != sizeof (WavpackHeader)) {
- gst_wavpack_parse_handle_event (element);
- return;
+ gst_buffer_unref (buf);
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ goto done;
}
- gst_wavpack_read_header (header, data);
- num = gst_bytestream_peek_bytes (wavpackparse->bs, &data, header->ckSize + 8);
+ gst_wavpack_read_header (header, GST_BUFFER_DATA (buf));
+ gst_buffer_unref (buf);
+
+ if (GST_FLOW_OK != gst_pad_pull_range (wavpackparse->sinkpad,
+ wavpackparse->flushed_bytes, header->ckSize + 8, &buf)) {
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ goto done;
+ }
+ num = GST_BUFFER_SIZE (buf);
+
if (num != header->ckSize + 8) {
- gst_wavpack_parse_handle_event (element);
- return;
+ gst_buffer_unref (buf);
+ wavpackparse->eos = TRUE;
+ gst_pad_push_event (wavpackparse->srcpad, gst_event_new_eos ());
+ goto done;
}
if (!GST_IS_PAD (wavpackparse->srcpad)) {
- guchar *bufptr = data + sizeof (WavpackHeader);
+
+ guchar *bufptr = GST_BUFFER_DATA (buf) + sizeof (WavpackHeader);
GstCaps *caps = NULL;
WavpackMetadata meta;
- while (read_metadata_buff (&meta, data, &bufptr)) {
+ while (read_metadata_buff (&meta, GST_BUFFER_DATA (buf), &bufptr)) {
if (meta.id == ID_WVC_BITSTREAM) {
caps = gst_caps_new_simple ("audio/x-wavpack-correction",
"framed", G_TYPE_BOOLEAN, TRUE, NULL);
+ if (GST_IS_PAD (wavpackparse->srcpad)) {
+ gst_object_unref (wavpackparse->srcpad);
+ }
wavpackparse->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_GET_CLASS (wavpackparse), "wvcsrc"), "wvcsrc");
} else if (meta.id == ID_RIFF_HEADER) {
WaveHeader *wheader = g_malloc (sizeof (WaveHeader));
- // skip RiffChunkHeader and ChunkHeader
+ /* skip RiffChunkHeader and ChunkHeader */
g_memmove (wheader, meta.data + 20, sizeof (WaveHeader));
little_endian_to_native (wheader, WaveHeaderFormat);
wavpackparse->samplerate = wheader->SampleRate;
@@ -459,24 +542,44 @@ gst_wavpack_parse_loop (GstElement * element)
"channels", G_TYPE_INT, wavpackparse->channels,
"rate", G_TYPE_INT, wavpackparse->samplerate,
"framed", G_TYPE_BOOLEAN, TRUE, NULL);
+ if (GST_IS_PAD (wavpackparse->srcpad)) {
+ gst_object_unref (wavpackparse->srcpad);
+ }
wavpackparse->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_GET_CLASS (wavpackparse), "src"), "src");
}
}
- gst_pad_use_explicit_caps (wavpackparse->srcpad);
+
+ if (!(caps && GST_IS_PAD (wavpackparse->srcpad))) {
+ gst_buffer_unref (buf);
+ goto done;
+ }
+
gst_pad_set_query_function (wavpackparse->srcpad,
gst_wavpack_parse_src_query);
gst_pad_set_event_function (wavpackparse->srcpad,
gst_wavpack_parse_src_event);
+
+ gst_pad_set_caps (wavpackparse->srcpad, caps);
+ gst_pad_use_fixed_caps (wavpackparse->srcpad);
+
gst_element_add_pad (GST_ELEMENT (wavpackparse), wavpackparse->srcpad);
- gst_pad_set_explicit_caps (wavpackparse->srcpad, caps);
}
- buf = gst_buffer_new_and_alloc (header->ckSize + 8);
- memcpy (GST_BUFFER_DATA (buf), data, header->ckSize + 8);
- gst_bytestream_flush_fast (wavpackparse->bs, header->ckSize + 8);
+ if (wavpackparse->need_discont) {
+ if (GST_IS_PAD (wavpackparse->srcpad)) {
+ gst_pad_push_event (wavpackparse->srcpad,
+ gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
+ wavpackparse->timestamp, GST_CLOCK_TIME_NONE, 0));
+
+ wavpackparse->need_discont = FALSE;
+ }
+ }
+
+ wavpackparse->flushed_bytes += header->ckSize + 8;
+
wavpackparse->timestamp =
((gdouble) header->block_index / (gdouble) wavpackparse->samplerate) *
GST_SECOND;
@@ -484,38 +587,107 @@ gst_wavpack_parse_loop (GstElement * element)
GST_BUFFER_DURATION (buf) =
((gdouble) header->block_samples / (gdouble) wavpackparse->samplerate) *
GST_SECOND;
- gst_pad_push (wavpackparse->srcpad, GST_DATA (buf));
+ gst_buffer_set_caps (buf, GST_PAD_CAPS (wavpackparse->srcpad));
+
+ if (GST_FLOW_OK != gst_pad_push (wavpackparse->srcpad, buf)) {
+ gst_buffer_unref (buf);
+ }
+
+done:
+ GST_PAD_STREAM_UNLOCK (wavpackparse->sinkpad);
+ return;
+
}
-static GstElementStateReturn
-gst_wavpack_parse_change_state (GstElement * element)
+static GstStateChangeReturn
+gst_wavpack_parse_change_state (GstElement * element, GstStateChange transition)
{
GstWavpackParse *wavpackparse = GST_WAVPACK_PARSE (element);
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
- switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_READY_TO_PAUSED:
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ wavpackparse->flushed_bytes = 0;
wavpackparse->need_discont = TRUE;
- wavpackparse->bs = gst_bytestream_new (wavpackparse->sinkpad);
+ wavpackparse->eos = FALSE;
break;
- case GST_STATE_PAUSED_TO_READY:
- gst_bytestream_destroy (wavpackparse->bs);
- wavpackparse->seek_pending = FALSE;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ {
+ GstQuery *query;
+ GstFormat format = GST_FORMAT_BYTES;
+
+ query = gst_query_new_duration (GST_FORMAT_BYTES);
+ if (gst_pad_query (GST_PAD_PEER (wavpackparse->sinkpad), query)) {
+
+ gst_query_parse_duration (query, &format,
+ (gint64 *) & wavpackparse->duration);
+
+ if (format != GST_FORMAT_BYTES) {
+ wavpackparse->duration = -1;
+ ret = GST_STATE_CHANGE_FAILURE;
+ }
+
+ } else {
+ wavpackparse->duration = -1;
+ ret = GST_STATE_CHANGE_FAILURE;
+ }
+ gst_query_unref (query);
+ }
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent)->change_state)
- return GST_ELEMENT_CLASS (parent)->change_state (element);
+ ret = GST_ELEMENT_CLASS (parent)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ wavpackparse->seek_pending = FALSE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+
+static gboolean
+gst_wavepack_parse_sink_activate (GstPad * sinkpad)
+{
+
+ if (gst_pad_check_pull_range (sinkpad)) {
+ return gst_pad_activate_pull (sinkpad, TRUE);
+ } else {
+ return FALSE;
+ }
+}
+
+static gboolean
+gst_wavepack_parse_sink_activate_pull (GstPad * sinkpad, gboolean active)
+{
+
+ gboolean result;
- return GST_STATE_SUCCESS;
+ if (active) {
+
+ result = gst_pad_start_task (sinkpad,
+ (GstTaskFunction) gst_wavpack_parse_loop, GST_PAD_PARENT (sinkpad));
+ } else {
+ result = gst_pad_stop_task (sinkpad);
+ }
+
+ return result;
+
+ return TRUE;
}
gboolean
gst_wavpack_parse_plugin_init (GstPlugin * plugin)
{
- if (!gst_library_load ("gstbytestream"))
- return FALSE;
if (!gst_element_register (plugin, "wavpackparse",
GST_RANK_PRIMARY, GST_TYPE_WAVPACK_PARSE)) {
diff --git a/ext/wavpack/gstwavpackparse.h b/ext/wavpack/gstwavpackparse.h
index ef76ba0f..41bfe494 100644
--- a/ext/wavpack/gstwavpackparse.h
+++ b/ext/wavpack/gstwavpackparse.h
@@ -23,7 +23,6 @@
#define __GST_WAVPACK_PARSE_H__
#include <gst/gst.h>
-#include <gst/bytestream/bytestream.h>
G_BEGIN_DECLS
@@ -48,17 +47,19 @@ struct _GstWavpackParse
GstPad *sinkpad, *srcpad;
- GstByteStream* bs;
-
guint32 samplerate;
guint32 channels;
guint32 total_samples;
guint64 timestamp;
+ guint64 flushed_bytes;
+ guint64 duration;
+
guint64 seek_offset;
gboolean seek_pending;
gboolean need_discont;
gboolean need_flush;
+ gboolean eos;
};
struct _GstWavpackParseClass