mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-04 09:42:19 +00:00
acm: Port ACM MP3 decoder and encoders to GStreamer 1.x
https://bugzilla.gnome.org/show_bug.cgi?id=744047
This commit is contained in:
parent
717f9a287d
commit
47d2a13d48
3 changed files with 79 additions and 46 deletions
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@ -426,7 +426,7 @@ GST_PLUGINS_NONPORTED=" cdxaparse \
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apexsink dc1394 \
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apexsink dc1394 \
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gsettings \
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gsettings \
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musepack nas sdl timidity \
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musepack nas sdl timidity \
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acm wininet \
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wininet \
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xvid lv2 sndio libvisual"
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xvid lv2 sndio libvisual"
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AC_SUBST(GST_PLUGINS_NONPORTED)
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AC_SUBST(GST_PLUGINS_NONPORTED)
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@ -50,7 +50,7 @@ GST_DEBUG_CATEGORY_STATIC (acmenc_debug);
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static GstStaticPadTemplate acmenc_sink_template =
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static GstStaticPadTemplate acmenc_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-raw-int, "
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GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-raw, "
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"depth = (int)16, "
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"depth = (int)16, "
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"width = (int)16, "
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"width = (int)16, "
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"endianness = (int)" G_STRINGIFY (G_BYTE_ORDER) ", "
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"endianness = (int)" G_STRINGIFY (G_BYTE_ORDER) ", "
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@ -106,7 +106,7 @@ static GstCaps *
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acmenc_caps_from_format (WAVEFORMATEX * fmt)
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acmenc_caps_from_format (WAVEFORMATEX * fmt)
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{
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{
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return gst_riff_create_audio_caps (fmt->wFormatTag, NULL,
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return gst_riff_create_audio_caps (fmt->wFormatTag, NULL,
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(gst_riff_strf_auds *) fmt, NULL, NULL, NULL);
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(gst_riff_strf_auds *) fmt, NULL, NULL, NULL, NULL);
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}
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}
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static gboolean
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static gboolean
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@ -298,8 +298,18 @@ acmenc_push_output (ACMEnc * enc)
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GstFlowReturn ret = GST_FLOW_OK;
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GstFlowReturn ret = GST_FLOW_OK;
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if (enc->header.cbDstLengthUsed > 0) {
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if (enc->header.cbDstLengthUsed > 0) {
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GstBuffer *outbuf = gst_buffer_new_and_alloc (enc->header.cbDstLengthUsed);
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GstBuffer *outbuf = gst_buffer_new_and_alloc (enc->header.cbDstLengthUsed);
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memcpy (GST_BUFFER_DATA (outbuf), enc->header.pbDst,
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if (!outbuf) {
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enc->header.cbDstLengthUsed);
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GST_WARNING_OBJECT (enc, "cannot allocate a new GstBuffer");
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goto done_push_output;
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}
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if (gst_buffer_fill (outbuf, 0, enc->header.pbDst,
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enc->header.cbDstLengthUsed) != enc->header.cbDstLengthUsed) {
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gst_buffer_unref (outbuf);
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GST_WARNING_OBJECT (enc, "unable to fill output buffer");
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goto done_push_output;
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}
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if (enc->outfmt->nAvgBytesPerSec > 0) {
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if (enc->outfmt->nAvgBytesPerSec > 0) {
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/* We have a bitrate, so we can create a timestamp, hopefully */
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/* We have a bitrate, so we can create a timestamp, hopefully */
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@ -312,18 +322,24 @@ acmenc_push_output (ACMEnc * enc)
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enc->header.cbDstLengthUsed);
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enc->header.cbDstLengthUsed);
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ret = gst_pad_push (enc->srcpad, outbuf);
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ret = gst_pad_push (enc->srcpad, outbuf);
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}
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}
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done_push_output:
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return ret;
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return ret;
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}
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}
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static GstFlowReturn
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static GstFlowReturn
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acmenc_chain (GstPad * pad, GstBuffer * buf)
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acmenc_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
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{
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{
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MMRESULT res;
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MMRESULT res;
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ACMEnc *enc = (ACMEnc *) GST_PAD_PARENT (pad);
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ACMEnc *enc = (ACMEnc *) GST_PAD_PARENT (pad);
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guchar *data = GST_BUFFER_DATA (buf);
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GstMapInfo map;
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gint len = GST_BUFFER_SIZE (buf);
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guchar *data;
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gint len;
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int chunklen;
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int chunklen;
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GstFlowReturn ret = GST_FLOW_OK;
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GstFlowReturn ret = GST_FLOW_OK;
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gst_buffer_map (buf, &map, GST_MAP_READ);
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len = map.size;
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data = map.data;
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while (len) {
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while (len) {
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chunklen = MIN (len, ACM_BUFFER_SIZE - enc->offset);
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chunklen = MIN (len, ACM_BUFFER_SIZE - enc->offset);
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memcpy (enc->header.pbSrc + enc->offset, data, chunklen);
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memcpy (enc->header.pbSrc + enc->offset, data, chunklen);
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@ -356,6 +372,7 @@ acmenc_chain (GstPad * pad, GstBuffer * buf)
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/* Write out any data produced */
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/* Write out any data produced */
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acmenc_push_output (enc);
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acmenc_push_output (enc);
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}
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}
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gst_buffer_unmap (buf, &map);
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return ret;
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return ret;
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}
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}
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@ -381,11 +398,17 @@ acmenc_finish_stream (ACMEnc * enc)
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}
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}
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static gboolean
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static gboolean
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acmenc_sink_event (GstPad * pad, GstEvent * event)
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acmenc_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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{
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{
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ACMEnc *enc = (ACMEnc *) GST_PAD_PARENT (pad);
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ACMEnc *enc = (ACMEnc *) GST_PAD_PARENT (pad);
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gboolean res;
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gboolean res;
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switch (GST_EVENT_TYPE (event)) {
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_CAPS:{
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GstCaps *caps;
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gst_event_parse_caps (event, &caps);
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return acmenc_sink_setcaps (pad, caps);
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break;
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}
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case GST_EVENT_EOS:
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case GST_EVENT_EOS:
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acmenc_finish_stream (enc);
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acmenc_finish_stream (enc);
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res = gst_pad_push_event (enc->srcpad, event);
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res = gst_pad_push_event (enc->srcpad, event);
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@ -409,8 +432,6 @@ acmenc_init (ACMEnc * enc)
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{
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{
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enc->sinkpad =
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enc->sinkpad =
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gst_pad_new_from_static_template (&acmenc_sink_template, "sink");
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gst_pad_new_from_static_template (&acmenc_sink_template, "sink");
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gst_pad_set_setcaps_function (enc->sinkpad,
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GST_DEBUG_FUNCPTR (acmenc_sink_setcaps));
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gst_pad_set_chain_function (enc->sinkpad, GST_DEBUG_FUNCPTR (acmenc_chain));
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gst_pad_set_chain_function (enc->sinkpad, GST_DEBUG_FUNCPTR (acmenc_chain));
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gst_pad_set_event_function (enc->sinkpad,
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gst_pad_set_event_function (enc->sinkpad,
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GST_DEBUG_FUNCPTR (acmenc_sink_event));
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GST_DEBUG_FUNCPTR (acmenc_sink_event));
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@ -451,6 +472,12 @@ static void
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acmenc_class_init (ACMEncClass * klass)
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acmenc_class_init (ACMEncClass * klass)
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{
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{
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GObjectClass *gobjectclass = (GObjectClass *) klass;
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GObjectClass *gobjectclass = (GObjectClass *) klass;
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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ACMEncParams *params;
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ACMDRIVERDETAILS driverdetails;
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gchar *shortname, *longname, *detail, *description;
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MMRESULT res;
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parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
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parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
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gobjectclass->dispose = acmenc_dispose;
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gobjectclass->dispose = acmenc_dispose;
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gobjectclass->set_property = acmenc_set_property;
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gobjectclass->set_property = acmenc_set_property;
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@ -458,15 +485,6 @@ acmenc_class_init (ACMEncClass * klass)
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g_object_class_install_property (gobjectclass, ARG_BITRATE,
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g_object_class_install_property (gobjectclass, ARG_BITRATE,
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g_param_spec_int ("bitrate", "Bitrate", "Bitrate to encode at (in bps)",
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g_param_spec_int ("bitrate", "Bitrate", "Bitrate to encode at (in bps)",
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0, 1000000, DEFAULT_BITRATE, G_PARAM_READWRITE));
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0, 1000000, DEFAULT_BITRATE, G_PARAM_READWRITE));
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} static void
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acmenc_base_init (ACMEncClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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ACMEncParams *params;
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ACMDRIVERDETAILS driverdetails;
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gchar *shortname, *longname, *detail, *description;
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MMRESULT res;
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gst_element_class_add_pad_template (element_class,
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&acmenc_sink_template));
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gst_static_pad_template_get (&acmenc_sink_template));
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@ -545,7 +563,7 @@ acmenc_register_file (GstPlugin * plugin, wchar_t * filename)
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GType type;
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GType type;
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GTypeInfo typeinfo = {
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GTypeInfo typeinfo = {
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sizeof (ACMEncClass),
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sizeof (ACMEncClass),
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(GBaseInitFunc) acmenc_base_init, NULL,
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NULL, NULL,
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(GClassInitFunc) acmenc_class_init, NULL, NULL, sizeof (ACMEnc),
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(GClassInitFunc) acmenc_class_init, NULL, NULL, sizeof (ACMEnc),
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0, (GInstanceInitFunc) acmenc_init,
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0, (GInstanceInitFunc) acmenc_init,
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};
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};
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@ -36,6 +36,12 @@
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(acmmp3dec_get_type())
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(acmmp3dec_get_type())
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#define GST_ACM_MP3_DEC(obj) \
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#define GST_ACM_MP3_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ACM_MP3_DEC,ACMMP3Dec))
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ACM_MP3_DEC,ACMMP3Dec))
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#define GST_ACM_MP3_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ACM_MP3_DEC,ACMMP3DecClass))
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#define GST_IS_ACM_MP3_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ACM_MP3_DEC))
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#define GST_IS_ACM_MP3_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ACM_MP3_DEC))
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#define GST_CAT_DEFAULT acmmp3dec_debug
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#define GST_CAT_DEFAULT acmmp3dec_debug
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GST_DEBUG_CATEGORY_STATIC (acmmp3dec_debug);
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GST_DEBUG_CATEGORY_STATIC (acmmp3dec_debug);
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@ -44,7 +50,7 @@ static GstStaticPadTemplate acmmp3dec_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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GST_STATIC_CAPS ("audio/x-raw, "
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"depth = (int)16, "
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"depth = (int)16, "
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"width = (int)16, "
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"width = (int)16, "
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"endianness = (int)" G_STRINGIFY (G_BYTE_ORDER) ", "
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"endianness = (int)" G_STRINGIFY (G_BYTE_ORDER) ", "
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@ -96,13 +102,14 @@ typedef struct _ACMMP3Dec
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GType acmmp3dec_get_type (void);
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GType acmmp3dec_get_type (void);
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GST_BOILERPLATE (ACMMP3Dec, acmmp3dec, GstElement, GST_TYPE_ELEMENT);
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#define acmmp3dec_parent_class parent_class
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G_DEFINE_TYPE (ACMMP3Dec, acmmp3dec, GST_TYPE_ELEMENT);
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static GstCaps *
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static GstCaps *
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acmmp3dec_caps_from_format (WAVEFORMATEX * fmt)
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acmmp3dec_caps_from_format (WAVEFORMATEX * fmt)
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{
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{
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return gst_riff_create_audio_caps (fmt->wFormatTag,
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return gst_riff_create_audio_caps (fmt->wFormatTag,
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NULL, (gst_riff_strf_auds *) fmt, NULL, NULL, NULL);
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NULL, (gst_riff_strf_auds *) fmt, NULL, NULL, NULL, NULL);
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}
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}
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static gboolean
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static gboolean
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@ -239,21 +246,28 @@ acmmp3dec_push_output (ACMMP3Dec * dec)
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if (dec->header.cbDstLengthUsed > 0) {
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if (dec->header.cbDstLengthUsed > 0) {
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GstBuffer *outbuf = gst_buffer_new_and_alloc (dec->header.cbDstLengthUsed);
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GstBuffer *outbuf = gst_buffer_new_and_alloc (dec->header.cbDstLengthUsed);
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memcpy (GST_BUFFER_DATA (outbuf), dec->header.pbDst,
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if (!outbuf) {
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dec->header.cbDstLengthUsed);
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GST_WARNING_OBJECT (dec, "cannot allocate a new GstBuffer");
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goto done_push_output;
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}
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if (gst_buffer_fill (outbuf, 0, dec->header.pbDst,
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dec->header.cbDstLengthUsed) != dec->header.cbDstLengthUsed) {
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gst_buffer_unref (outbuf);
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GST_WARNING_OBJECT (dec, "unable to fill output buffer");
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goto done_push_output;
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}
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if (dec->timestamp != GST_CLOCK_TIME_NONE)
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if (dec->timestamp != GST_CLOCK_TIME_NONE)
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GST_BUFFER_TIMESTAMP (outbuf) = dec->timestamp;
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GST_BUFFER_TIMESTAMP (outbuf) = dec->timestamp;
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GST_BUFFER_DURATION (outbuf) =
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GST_BUFFER_DURATION (outbuf) =
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gst_util_uint64_scale_int (GST_BUFFER_SIZE (outbuf), GST_SECOND,
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gst_util_uint64_scale_int (dec->header.cbDstLengthUsed, GST_SECOND,
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dec->rate * dec->channels * 2);
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dec->rate * dec->channels * 2);
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GST_DEBUG_OBJECT (dec, "decoded buffer has ts %d, duration %d",
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GST_DEBUG_OBJECT (dec, "decoded buffer has ts %d, duration %d",
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(int) (GST_BUFFER_TIMESTAMP (outbuf)),
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(int) (GST_BUFFER_TIMESTAMP (outbuf)),
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(int) (GST_BUFFER_DURATION (outbuf)));
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(int) (GST_BUFFER_DURATION (outbuf)));
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gst_buffer_set_caps (outbuf, dec->output_caps);
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if (dec->timestamp != GST_CLOCK_TIME_NONE)
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if (dec->timestamp != GST_CLOCK_TIME_NONE)
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dec->timestamp += GST_BUFFER_DURATION (outbuf);
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dec->timestamp += GST_BUFFER_DURATION (outbuf);
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@ -263,20 +277,21 @@ acmmp3dec_push_output (ACMMP3Dec * dec)
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} else
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} else
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GST_DEBUG_OBJECT (dec, "Not pushing decoded buffer, no output");
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GST_DEBUG_OBJECT (dec, "Not pushing decoded buffer, no output");
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done_push_output:
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return ret;
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return ret;
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}
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}
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static GstFlowReturn
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static GstFlowReturn
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acmmp3dec_chain (GstPad * pad, GstBuffer * buf)
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acmmp3dec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
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{
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{
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MMRESULT res;
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MMRESULT res;
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ACMMP3Dec *dec = (ACMMP3Dec *) GST_PAD_PARENT (pad);
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ACMMP3Dec *dec = (ACMMP3Dec *) GST_PAD_PARENT (pad);
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guchar *data = GST_BUFFER_DATA (buf);
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GstMapInfo map;
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gint len = GST_BUFFER_SIZE (buf);
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GstFlowReturn ret = GST_FLOW_OK;
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GstFlowReturn ret = GST_FLOW_OK;
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if (len > ACM_BUFFER_SIZE) {
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gst_buffer_map (buf, &map, GST_MAP_READ);
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if (map.size > ACM_BUFFER_SIZE) {
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GST_WARNING_OBJECT (dec, "Impossibly large mp3 frame!");
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GST_WARNING_OBJECT (dec, "Impossibly large mp3 frame!");
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ret = GST_FLOW_ERROR;
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ret = GST_FLOW_ERROR;
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goto done;
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goto done;
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@ -288,8 +303,8 @@ acmmp3dec_chain (GstPad * pad, GstBuffer * buf)
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dec->timestamp = GST_BUFFER_TIMESTAMP (buf);
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dec->timestamp = GST_BUFFER_TIMESTAMP (buf);
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}
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}
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memcpy (dec->header.pbSrc, data, len);
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memcpy (dec->header.pbSrc, map.data, map.size);
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dec->header.cbSrcLength = len;
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dec->header.cbSrcLength = map.size;
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/* Now we have a buffer ready to go */
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/* Now we have a buffer ready to go */
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res = acmStreamConvert (dec->stream, &dec->header,
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res = acmStreamConvert (dec->stream, &dec->header,
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@ -314,6 +329,7 @@ acmmp3dec_chain (GstPad * pad, GstBuffer * buf)
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}
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}
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done:
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done:
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gst_buffer_unmap (buf, &map);
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gst_buffer_unref (buf);
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gst_buffer_unref (buf);
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return ret;
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return ret;
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@ -340,11 +356,17 @@ acmmp3dec_finish_stream (ACMMP3Dec * dec)
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}
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}
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static gboolean
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static gboolean
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||||||
acmmp3dec_sink_event (GstPad * pad, GstEvent * event)
|
acmmp3dec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
||||||
{
|
{
|
||||||
ACMMP3Dec *dec = (ACMMP3Dec *) GST_PAD_PARENT (pad);
|
ACMMP3Dec *dec = (ACMMP3Dec *) GST_PAD_PARENT (pad);
|
||||||
|
|
||||||
switch (GST_EVENT_TYPE (event)) {
|
switch (GST_EVENT_TYPE (event)) {
|
||||||
|
case GST_EVENT_CAPS:{
|
||||||
|
GstCaps *caps;
|
||||||
|
gst_event_parse_caps (event, &caps);
|
||||||
|
return acmmp3dec_sink_setcaps (pad, caps);
|
||||||
|
break;
|
||||||
|
}
|
||||||
case GST_EVENT_EOS:
|
case GST_EVENT_EOS:
|
||||||
acmmp3dec_finish_stream (dec);
|
acmmp3dec_finish_stream (dec);
|
||||||
break;
|
break;
|
||||||
|
@ -373,12 +395,10 @@ acmmp3dec_dispose (GObject * obj)
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
static void
|
||||||
acmmp3dec_init (ACMMP3Dec * dec, ACMMP3DecClass * decclass)
|
acmmp3dec_init (ACMMP3Dec * dec)
|
||||||
{
|
{
|
||||||
dec->sinkpad =
|
dec->sinkpad =
|
||||||
gst_pad_new_from_static_template (&acmmp3dec_sink_template, "sink");
|
gst_pad_new_from_static_template (&acmmp3dec_sink_template, "sink");
|
||||||
gst_pad_set_setcaps_function (dec->sinkpad,
|
|
||||||
GST_DEBUG_FUNCPTR (acmmp3dec_sink_setcaps));
|
|
||||||
gst_pad_set_chain_function (dec->sinkpad,
|
gst_pad_set_chain_function (dec->sinkpad,
|
||||||
GST_DEBUG_FUNCPTR (acmmp3dec_chain));
|
GST_DEBUG_FUNCPTR (acmmp3dec_chain));
|
||||||
gst_pad_set_event_function (dec->sinkpad,
|
gst_pad_set_event_function (dec->sinkpad,
|
||||||
|
@ -395,13 +415,8 @@ static void
|
||||||
acmmp3dec_class_init (ACMMP3DecClass * klass)
|
acmmp3dec_class_init (ACMMP3DecClass * klass)
|
||||||
{
|
{
|
||||||
GObjectClass *gobjectclass = (GObjectClass *) klass;
|
GObjectClass *gobjectclass = (GObjectClass *) klass;
|
||||||
gobjectclass->dispose = acmmp3dec_dispose;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
acmmp3dec_base_init (gpointer klass)
|
|
||||||
{
|
|
||||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
gobjectclass->dispose = acmmp3dec_dispose;
|
||||||
|
|
||||||
gst_element_class_add_pad_template (element_class,
|
gst_element_class_add_pad_template (element_class,
|
||||||
gst_static_pad_template_get (&acmmp3dec_sink_template));
|
gst_static_pad_template_get (&acmmp3dec_sink_template));
|
||||||
|
|
Loading…
Reference in a new issue