diff options
Diffstat (limited to 'sys/dshowdecwrapper/gstdshowvideodec.c')
| -rw-r--r-- | sys/dshowdecwrapper/gstdshowvideodec.c | 1149 |
1 files changed, 0 insertions, 1149 deletions
diff --git a/sys/dshowdecwrapper/gstdshowvideodec.c b/sys/dshowdecwrapper/gstdshowvideodec.c deleted file mode 100644 index 3c95771d..00000000 --- a/sys/dshowdecwrapper/gstdshowvideodec.c +++ /dev/null @@ -1,1149 +0,0 @@ -/* - * GStreamer DirectShow codecs wrapper - * Copyright <2006, 2007, 2008> Fluendo <gstreamer@fluendo.com> - * Copyright <2006, 2007, 2008> Pioneers of the Inevitable <songbird@songbirdnest.com> - * Copyright <2007,2008> Sebastien Moutte <sebastien@moutte.net> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Alternatively, the contents of this file may be used under the - * GNU Lesser General Public License Version 2.1 (the "LGPL"), in - * which case the following provisions apply instead of the ones - * mentioned above: - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "gstdshowvideodec.h" - -GST_DEBUG_CATEGORY_STATIC (dshowvideodec_debug); -#define GST_CAT_DEFAULT dshowvideodec_debug - -GST_BOILERPLATE (GstDshowVideoDec, gst_dshowvideodec, GstElement, - GST_TYPE_ELEMENT); -static const CodecEntry *tmp; - -static void gst_dshowvideodec_dispose (GObject * object); -static GstStateChangeReturn gst_dshowvideodec_change_state - (GstElement * element, GstStateChange transition); - -/* sink pad overwrites */ -static gboolean gst_dshowvideodec_sink_setcaps (GstPad * pad, GstCaps * caps); -static gboolean gst_dshowvideodec_sink_event (GstPad * pad, GstEvent * event); -static GstFlowReturn gst_dshowvideodec_chain (GstPad * pad, GstBuffer * buffer); - -/* src pad overwrites */ -static GstCaps *gst_dshowvideodec_src_getcaps (GstPad * pad); -static gboolean gst_dshowvideodec_src_setcaps (GstPad * pad, GstCaps * caps); - -/* callback called by our directshow fake sink when it receives a buffer */ -static gboolean gst_dshowvideodec_push_buffer (byte * buffer, long size, - byte * src_object, UINT64 start, UINT64 stop); - -/* utils */ -static gboolean gst_dshowvideodec_create_graph_and_filters (GstDshowVideoDec * - vdec); -static gboolean gst_dshowvideodec_destroy_graph_and_filters (GstDshowVideoDec * - vdec); -static gboolean gst_dshowvideodec_flush (GstDshowVideoDec * adec); -static gboolean gst_dshowvideodec_get_filter_output_format (GstDshowVideoDec * - vdec, GUID * subtype, VIDEOINFOHEADER ** format, guint * size); - - -#define GUID_MEDIATYPE_VIDEO {0x73646976, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_WMVV1 {0x31564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_WMVV2 {0x32564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_WMVV3 {0x33564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_WMVP {0x50564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_WMVA {0x41564d57, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_CVID {0x64697663, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_MP4S {0x5334504d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_MP42 {0x3234504d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_MP43 {0x3334504d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_M4S2 {0x3253344d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_XVID {0x44495658, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_DX50 {0x30355844, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_DIVX {0x58564944, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_DIV3 {0x33564944, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} - -#define GUID_MEDIASUBTYPE_MPG4 {0x3447504d, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_MPEG1Payload {0xe436eb81, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}} - - -/* output types */ -#define GUID_MEDIASUBTYPE_YUY2 {0x32595559, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_YV12 {0x32315659, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }} -#define GUID_MEDIASUBTYPE_RGB32 {0xe436eb7e, 0x524f, 0x11ce, { 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70 }} -#define GUID_MEDIASUBTYPE_RGB565 {0xe436eb7b, 0x524f, 0x11ce, { 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70 }} - -/* video codecs array */ -static const CodecEntry video_dec_codecs[] = { - {"dshowvdec_wmv1", - "Windows Media Video 7", - "DMO", - GST_MAKE_FOURCC ('W', 'M', 'V', '1'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WMVV1, - "video/x-wmv, wmvversion = (int) 1", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_wmv2", - "Windows Media Video 8", - "DMO", - GST_MAKE_FOURCC ('W', 'M', 'V', '2'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WMVV2, - "video/x-wmv, wmvversion = (int) 2", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_wmv3", - "Windows Media Video 9", - "DMO", - GST_MAKE_FOURCC ('W', 'M', 'V', '3'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WMVV3, - "video/x-wmv, wmvversion = (int) 3, " "format = (fourcc) WMV3", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_wmvp", - "Windows Media Video 9 Image", - "DMO", - GST_MAKE_FOURCC ('W', 'M', 'V', 'P'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WMVP, - "video/x-wmv, wmvversion = (int) 3, " "format = (fourcc) WMVP", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_wmva", - "Windows Media Video 9 Advanced", - "DMO", - GST_MAKE_FOURCC ('W', 'M', 'V', 'A'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_WMVA, - "video/x-wmv, wmvversion = (int) 3, " "format = (fourcc) WMVA", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_cinepak", - "Cinepack", - "AVI Decompressor", - 0x64697663, - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_CVID, - "video/x-cinepak", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_RGB32, - "video/x-raw-rgb, bpp=(int)32, depth=(int)24, " - "endianness=(int)4321, red_mask=(int)65280, " - "green_mask=(int)16711680, blue_mask=(int)-16777216"}, - {"dshowvdec_msmpeg41", - "Microsoft ISO MPEG-4 version 1", - "DMO", - GST_MAKE_FOURCC ('M', 'P', '4', 'S'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_MP4S, - "video/x-msmpeg, msmpegversion=(int)41", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_msmpeg42", - "Microsoft ISO MPEG-4 version 2", - "DMO", - GST_MAKE_FOURCC ('M', 'P', '4', '2'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_MP42, - "video/x-msmpeg, msmpegversion=(int)42", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_msmpeg43", - "Microsoft ISO MPEG-4 version 3", - "DMO", - GST_MAKE_FOURCC ('M', 'P', '4', '3'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_MP43, - "video/x-msmpeg, msmpegversion=(int)43", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_msmpeg4", - "Microsoft ISO MPEG-4 version 1.1", - "DMO", - GST_MAKE_FOURCC ('M', '4', 'S', '2'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_M4S2, - "video/x-msmpeg, msmpegversion=(int)4", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_mpeg1", - "MPEG-1 Video", - "MPEG Video Decoder", - GST_MAKE_FOURCC ('M', 'P', 'E', 'G'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_MPEG1Payload, - "video/mpeg, mpegversion= (int) 1, " - "parsed= (boolean) true, " "systemstream= (boolean) false", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_xvid", - "XVID Video", - "ffdshow", - GST_MAKE_FOURCC ('X', 'V', 'I', 'D'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_XVID, - "video/x-xvid", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_divx5", - "DIVX 5.0 Video", - "ffdshow", - GST_MAKE_FOURCC ('D', 'X', '5', '0'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_DX50, - "video/x-divx, divxversion=(int)5", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_divx4", - "DIVX 4.0 Video", - "ffdshow", - GST_MAKE_FOURCC ('D', 'I', 'V', 'X'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_DIVX, - "video/x-divx, divxversion=(int)4", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"}, - {"dshowvdec_divx3", - "DIVX 3.0 Video", - "ffdshow", - GST_MAKE_FOURCC ('D', 'I', 'V', '3'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_DIV3, - "video/x-divx, divxversion=(int)3", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2"} - /*, - { "dshowvdec_mpeg4", - "DMO", - GST_MAKE_FOURCC ('M', 'P', 'G', '4'), - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_MPG4, - "video/mpeg, msmpegversion=(int)4", - GUID_MEDIATYPE_VIDEO, GUID_MEDIASUBTYPE_YUY2, - "video/x-raw-yuv, format=(fourcc)YUY2" - } */ -}; - -static void -gst_dshowvideodec_base_init (GstDshowVideoDecClass * klass) -{ - GstPadTemplate *src, *sink; - GstCaps *srccaps, *sinkcaps; - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - GstElementDetails details; - - klass->entry = tmp; - - details.longname = g_strdup_printf ("DirectShow %s Decoder Wrapper", - tmp->element_longname); - details.klass = g_strdup ("Codec/Decoder/Video"); - details.description = g_strdup_printf ("DirectShow %s Decoder Wrapper", - tmp->element_longname); - details.author = "Sebastien Moutte <sebastien@moutte.net>"; - gst_element_class_set_details (element_class, &details); - g_free (details.longname); - g_free (details.klass); - g_free (details.description); - - sinkcaps = gst_caps_from_string (tmp->sinkcaps); - gst_caps_set_simple (sinkcaps, - "width", GST_TYPE_INT_RANGE, 16, 4096, - "height", GST_TYPE_INT_RANGE, 16, 4096, - "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL); - - srccaps = gst_caps_from_string (tmp->srccaps); - - sink = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, sinkcaps); - src = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, srccaps); - - gst_element_class_add_pad_template (element_class, src); - gst_element_class_add_pad_template (element_class, sink); -} - -static void -gst_dshowvideodec_class_init (GstDshowVideoDecClass * klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass); - - gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_dshowvideodec_dispose); - - gstelement_class->change_state = - GST_DEBUG_FUNCPTR (gst_dshowvideodec_change_state); - - if (!parent_class) - parent_class = g_type_class_ref (GST_TYPE_ELEMENT); - - if (!dshowvideodec_debug) { - GST_DEBUG_CATEGORY_INIT (dshowvideodec_debug, "dshowvideodec", 0, - "Directshow filter video decoder"); - } -} - -static void -gst_dshowvideodec_init (GstDshowVideoDec * vdec, - GstDshowVideoDecClass * vdec_class) -{ - GstElementClass *element_class = GST_ELEMENT_GET_CLASS (vdec); - HRESULT hr; - - /* setup pads */ - vdec->sinkpad = - gst_pad_new_from_template (gst_element_class_get_pad_template - (element_class, "sink"), "sink"); - - gst_pad_set_setcaps_function (vdec->sinkpad, gst_dshowvideodec_sink_setcaps); - gst_pad_set_event_function (vdec->sinkpad, gst_dshowvideodec_sink_event); - gst_pad_set_chain_function (vdec->sinkpad, gst_dshowvideodec_chain); - gst_element_add_pad (GST_ELEMENT (vdec), vdec->sinkpad); - - vdec->srcpad = - gst_pad_new_from_template (gst_element_class_get_pad_template - (element_class, "src"), "src"); -/* needed to implement caps negociation on our src pad */ -/* gst_pad_set_getcaps_function (vdec->srcpad, gst_dshowvideodec_src_getcaps); - gst_pad_set_setcaps_function (vdec->srcpad, gst_dshowvideodec_src_setcaps);*/ - gst_element_add_pad (GST_ELEMENT (vdec), vdec->srcpad); - - vdec->srcfilter = NULL; - vdec->decfilter = NULL; - vdec->sinkfilter = NULL; - - vdec->last_ret = GST_FLOW_OK; - - vdec->filtergraph = NULL; - vdec->mediafilter = NULL; - vdec->gstdshowsrcfilter = NULL; - vdec->srccaps = NULL; - vdec->segment = gst_segment_new (); - - hr = CoInitialize (0); - if (SUCCEEDED (hr)) { - vdec->comInitialized = TRUE; - } -} - -static void -gst_dshowvideodec_dispose (GObject * object) -{ - GstDshowVideoDec *vdec = (GstDshowVideoDec *) (object); - - if (vdec->segment) { - gst_segment_free (vdec->segment); - vdec->segment = NULL; - } - - if (vdec->comInitialized) { - CoUninitialize (); - vdec->comInitialized = FALSE; - } - - G_OBJECT_CLASS (parent_class)->dispose (object); -} - -static GstStateChangeReturn -gst_dshowvideodec_change_state (GstElement * element, GstStateChange transition) -{ - GstDshowVideoDec *vdec = (GstDshowVideoDec *) (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - if (!gst_dshowvideodec_create_graph_and_filters (vdec)) - return GST_STATE_CHANGE_FAILURE; - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_PLAYING: - break; - case GST_STATE_CHANGE_PLAYING_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - break; - case GST_STATE_CHANGE_READY_TO_NULL: - if (!gst_dshowvideodec_destroy_graph_and_filters (vdec)) - return GST_STATE_CHANGE_FAILURE; - break; - default: - break; - } - - return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); -} - -static gboolean -gst_dshowvideodec_sink_setcaps (GstPad * pad, GstCaps * caps) -{ - gboolean ret = FALSE; - HRESULT hres; - GstStructure *s = gst_caps_get_structure (caps, 0); - GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad); - GstDshowVideoDecClass *klass = - (GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec); - GstBuffer *extradata = NULL; - const GValue *v = NULL; - gint size = 0; - GstCaps *caps_out; - AM_MEDIA_TYPE output_mediatype, input_mediatype; - VIDEOINFOHEADER *input_vheader = NULL, *output_vheader = NULL; - IPin *output_pin = NULL, *input_pin = NULL; - IGstDshowInterface *gstdshowinterface = NULL; - const GValue *fps; - - /* read data */ - if (!gst_structure_get_int (s, "width", &vdec->width) || - !gst_structure_get_int (s, "height", &vdec->height)) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("error getting video width or height from caps"), (NULL)); - goto end; - } - fps = gst_structure_get_value (s, "framerate"); - if (!fps) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("error getting video framerate from caps"), (NULL)); - goto end; - } - vdec->fps_n = gst_value_get_fraction_numerator (fps); - vdec->fps_d = gst_value_get_fraction_denominator (fps); - - if ((v = gst_structure_get_value (s, "codec_data"))) - extradata = gst_value_get_buffer (v); - - /* define the input type format */ - memset (&input_mediatype, 0, sizeof (AM_MEDIA_TYPE)); - input_mediatype.majortype = klass->entry->input_majortype; - input_mediatype.subtype = klass->entry->input_subtype; - input_mediatype.bFixedSizeSamples = FALSE; - input_mediatype.bTemporalCompression = TRUE; - - if (strstr (klass->entry->sinkcaps, "video/mpeg, mpegversion= (int) 1")) { - size = - sizeof (MPEG1VIDEOINFO) + (extradata ? GST_BUFFER_SIZE (extradata) - - 1 : 0); - input_vheader = g_malloc0 (size); - - input_vheader->bmiHeader.biSize = sizeof (BITMAPINFOHEADER); - if (extradata) { - MPEG1VIDEOINFO *mpeg_info = (MPEG1VIDEOINFO *) input_vheader; - - memcpy (mpeg_info->bSequenceHeader, - GST_BUFFER_DATA (extradata), GST_BUFFER_SIZE (extradata)); - mpeg_info->cbSequenceHeader = GST_BUFFER_SIZE (extradata); - } - input_mediatype.formattype = FORMAT_MPEGVideo; - } else { - size = - sizeof (VIDEOINFOHEADER) + - (extradata ? GST_BUFFER_SIZE (extradata) : 0); - input_vheader = g_malloc0 (size); - - input_vheader->bmiHeader.biSize = sizeof (BITMAPINFOHEADER); - if (extradata) { /* Codec data is appended after our header */ - memcpy (((guchar *) input_vheader) + sizeof (VIDEOINFOHEADER), - GST_BUFFER_DATA (extradata), GST_BUFFER_SIZE (extradata)); - input_vheader->bmiHeader.biSize += GST_BUFFER_SIZE (extradata); - } - input_mediatype.formattype = FORMAT_VideoInfo; - } - input_vheader->rcSource.top = input_vheader->rcSource.left = 0; - input_vheader->rcSource.right = vdec->width; - input_vheader->rcSource.bottom = vdec->height; - input_vheader->rcTarget = input_vheader->rcSource; - input_vheader->bmiHeader.biWidth = vdec->width; - input_vheader->bmiHeader.biHeight = vdec->height; - input_vheader->bmiHeader.biPlanes = 1; - input_vheader->bmiHeader.biBitCount = 16; - input_vheader->bmiHeader.biCompression = klass->entry->format; - input_vheader->bmiHeader.biSizeImage = - (vdec->width * vdec->height) * (input_vheader->bmiHeader.biBitCount / 8); - - input_mediatype.cbFormat = size; - input_mediatype.pbFormat = (BYTE *) input_vheader; - input_mediatype.lSampleSize = input_vheader->bmiHeader.biSizeImage; - - hres = IBaseFilter_QueryInterface (vdec->srcfilter, &IID_IGstDshowInterface, - (void **) &gstdshowinterface); - if (hres != S_OK || !gstdshowinterface) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get IGstDshowInterface interface from dshow fakesrc filter (error=%d)", - hres), (NULL)); - goto end; - } - - /* save a reference to IGstDshowInterface to use it processing functions */ - if (!vdec->gstdshowsrcfilter) { - vdec->gstdshowsrcfilter = gstdshowinterface; - IBaseFilter_AddRef (vdec->gstdshowsrcfilter); - } - - IGstDshowInterface_gst_set_media_type (gstdshowinterface, &input_mediatype); - IGstDshowInterface_Release (gstdshowinterface); - gstdshowinterface = NULL; - - /* set the sample size for fakesrc filter to the output buffer size */ - IGstDshowInterface_gst_set_sample_size (vdec->gstdshowsrcfilter, - input_mediatype.lSampleSize); - - /* connect our fake src to decoder */ - gst_dshow_get_pin_from_filter (vdec->srcfilter, PINDIR_OUTPUT, &output_pin); - if (!output_pin) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get output pin from our directshow fakesrc filter"), (NULL)); - goto end; - } - gst_dshow_get_pin_from_filter (vdec->decfilter, PINDIR_INPUT, &input_pin); - if (!input_pin) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get input pin from decoder filter"), (NULL)); - goto end; - } - - hres = - IFilterGraph_ConnectDirect (vdec->filtergraph, output_pin, input_pin, - NULL); - if (hres != S_OK) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't connect fakesrc with decoder (error=%d)", hres), (NULL)); - goto end; - } - - IPin_Release (input_pin); - IPin_Release (output_pin); - input_pin = NULL; - output_pin = NULL; - - /* get decoder output video format */ - if (!gst_dshowvideodec_get_filter_output_format (vdec, - &klass->entry->output_subtype, &output_vheader, &size)) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get decoder output video format"), (NULL)); - goto end; - } - - memset (&output_mediatype, 0, sizeof (AM_MEDIA_TYPE)); - output_mediatype.majortype = klass->entry->output_majortype; - output_mediatype.subtype = klass->entry->output_subtype; - output_mediatype.bFixedSizeSamples = TRUE; - output_mediatype.bTemporalCompression = FALSE; - output_mediatype.lSampleSize = output_vheader->bmiHeader.biSizeImage; - output_mediatype.formattype = FORMAT_VideoInfo; - output_mediatype.cbFormat = size; - output_mediatype.pbFormat = (char *) output_vheader; - - hres = IBaseFilter_QueryInterface (vdec->sinkfilter, &IID_IGstDshowInterface, - (void **) &gstdshowinterface); - if (hres != S_OK || !gstdshowinterface) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get IGstDshowInterface interface from dshow fakesink filter (error=%d)", - hres), (NULL)); - goto end; - } - - IGstDshowInterface_gst_set_media_type (gstdshowinterface, &output_mediatype); - IGstDshowInterface_gst_set_buffer_callback (gstdshowinterface, - gst_dshowvideodec_push_buffer, (byte *) vdec); - IGstDshowInterface_Release (gstdshowinterface); - gstdshowinterface = NULL; - - /* connect decoder to our fake sink */ - gst_dshow_get_pin_from_filter (vdec->decfilter, PINDIR_OUTPUT, &output_pin); - if (!output_pin) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get output pin from our decoder filter"), (NULL)); - goto end; - } - - gst_dshow_get_pin_from_filter (vdec->sinkfilter, PINDIR_INPUT, &input_pin); - if (!input_pin) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't get input pin from our directshow fakesink filter"), (NULL)); - goto end; - } - - hres = - IFilterGraph_ConnectDirect (vdec->filtergraph, output_pin, input_pin, - &output_mediatype); - if (hres != S_OK) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't connect decoder with fakesink (error=%d)", hres), (NULL)); - goto end; - } - - /* negotiate output */ - caps_out = gst_caps_from_string (klass->entry->srccaps); - gst_caps_set_simple (caps_out, - "width", G_TYPE_INT, vdec->width, - "height", G_TYPE_INT, vdec->height, - "framerate", GST_TYPE_FRACTION, vdec->fps_n, vdec->fps_d, NULL); - if (!gst_pad_set_caps (vdec->srcpad, caps_out)) { - gst_caps_unref (caps_out); - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Failed to negotiate output"), (NULL)); - goto end; - } - gst_caps_unref (caps_out); - - hres = IMediaFilter_Run (vdec->mediafilter, -1); - if (hres != S_OK) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("Can't run the directshow graph (error=%d)", hres), (NULL)); - goto end; - } - - ret = TRUE; -end: - gst_object_unref (vdec); - if (input_vheader) - g_free (input_vheader); - if (gstdshowinterface) - IGstDshowInterface_Release (gstdshowinterface); - if (input_pin) - IPin_Release (input_pin); - if (output_pin) - IPin_Release (output_pin); - - return ret; -} - -static gboolean -gst_dshowvideodec_sink_event (GstPad * pad, GstEvent * event) -{ - gboolean ret = TRUE; - GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad); - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_FLUSH_STOP: - gst_dshowvideodec_flush (vdec); - ret = gst_pad_event_default (pad, event); - break; - case GST_EVENT_NEWSEGMENT: - { - GstFormat format; - gdouble rate; - gint64 start, stop, time; - gboolean update; - - gst_event_parse_new_segment (event, &update, &rate, &format, &start, - &stop, &time); - - /* save the new segment in our local current segment */ - gst_segment_set_newsegment (vdec->segment, update, rate, format, start, - stop, time); - - GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec, - "new segment received => start=%" GST_TIME_FORMAT " stop=%" - GST_TIME_FORMAT, GST_TIME_ARGS (vdec->segment->start), - GST_TIME_ARGS (vdec->segment->stop)); - - if (update) { - GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec, - "closing current segment flushing.."); - gst_dshowvideodec_flush (vdec); - } - - ret = gst_pad_event_default (pad, event); - break; - } - default: - ret = gst_pad_event_default (pad, event); - break; - } - - gst_object_unref (vdec); - - return ret; -} - -static GstFlowReturn -gst_dshowvideodec_chain (GstPad * pad, GstBuffer * buffer) -{ - GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad); - gboolean discount = FALSE; - GstClockTime stop; - - if (!vdec->gstdshowsrcfilter) { - /* we are not setup */ - vdec->last_ret = GST_FLOW_WRONG_STATE; - goto beach; - } - - if (GST_FLOW_IS_FATAL (vdec->last_ret)) { - GST_DEBUG_OBJECT (vdec, "last decoding iteration generated a fatal error " - "%s", gst_flow_get_name (vdec->last_ret)); - goto beach; - } - - /* check if duration is valid and use duration only when it's valid - /* because dshow is not decoding frames having stop smaller than start */ - if (GST_BUFFER_DURATION_IS_VALID (buffer)) { - stop = GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer); - } else { - stop = GST_BUFFER_TIMESTAMP (buffer); - } - - GST_CAT_LOG_OBJECT (dshowvideodec_debug, vdec, - "chain (size %d)=> pts %" GST_TIME_FORMAT " stop %" GST_TIME_FORMAT, - GST_BUFFER_SIZE (buffer), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)), - GST_TIME_ARGS (stop)); - - /* if the incoming buffer has discont flag set => flush decoder data */ - if (buffer && GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) { - GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec, - "this buffer has a DISCONT flag (%" GST_TIME_FORMAT "), flushing", - GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer))); - gst_dshowvideodec_flush (vdec); - discount = TRUE; - } - - /* push the buffer to the directshow decoder */ - IGstDshowInterface_gst_push_buffer (vdec->gstdshowsrcfilter, - GST_BUFFER_DATA (buffer), GST_BUFFER_TIMESTAMP (buffer), stop, - GST_BUFFER_SIZE (buffer), discount); - -beach: - gst_buffer_unref (buffer); - gst_object_unref (vdec); - - return vdec->last_ret; -} - -static gboolean -gst_dshowvideodec_push_buffer (byte * buffer, long size, byte * src_object, - UINT64 start, UINT64 stop) -{ - GstDshowVideoDec *vdec = (GstDshowVideoDec *) src_object; - GstDshowVideoDecClass *klass = - (GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec); - GstBuffer *buf = NULL; - gboolean in_seg = FALSE; - gint64 clip_start = 0, clip_stop = 0; - - /* check if this buffer is in our current segment */ - in_seg = gst_segment_clip (vdec->segment, GST_FORMAT_TIME, - start, stop, &clip_start, &clip_stop); - - /* if the buffer is out of segment do not push it downstream */ - if (!in_seg) { - GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec, - "buffer is out of segment, start %" GST_TIME_FORMAT " stop %" - GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (stop)); - return FALSE; - } - - /* buffer is in our segment allocate a new out buffer and clip its - * timestamps */ - vdec->last_ret = gst_pad_alloc_buffer (vdec->srcpad, GST_BUFFER_OFFSET_NONE, - size, GST_PAD_CAPS (vdec->srcpad), &buf); - if (!buf) { - GST_CAT_WARNING_OBJECT (dshowvideodec_debug, vdec, - "can't not allocate a new GstBuffer"); - return FALSE; - } - - /* set buffer properties */ - GST_BUFFER_TIMESTAMP (buf) = clip_start; - GST_BUFFER_DURATION (buf) = clip_stop - clip_start; - - if (strstr (klass->entry->srccaps, "rgb")) { - /* FOR RGB directshow decoder will return bottom-up BITMAP - * There is probably a way to get top-bottom video frames from - * the decoder... - */ - gint line = 0; - guint stride = vdec->width * 4; - - for (; line < vdec->height; line++) { - memcpy (GST_BUFFER_DATA (buf) + (line * stride), - buffer + (size - ((line + 1) * (stride))), stride); - } - } else { - memcpy (GST_BUFFER_DATA (buf), buffer, MIN (size, GST_BUFFER_SIZE (buf))); - } - - GST_CAT_LOG_OBJECT (dshowvideodec_debug, vdec, - "push_buffer (size %d)=> pts %" GST_TIME_FORMAT " stop %" GST_TIME_FORMAT - " duration %" GST_TIME_FORMAT, size, - GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), - GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf)), - GST_TIME_ARGS (GST_BUFFER_DURATION (buf))); - - /* push the buffer downstream */ - vdec->last_ret = gst_pad_push (vdec->srcpad, buf); - - return TRUE; -} - - -static GstCaps * -gst_dshowvideodec_src_getcaps (GstPad * pad) -{ - GstDshowVideoDec *vdec = (GstDshowVideoDec *) gst_pad_get_parent (pad); - GstCaps *caps = NULL; - - if (!vdec->srccaps) - vdec->srccaps = gst_caps_new_empty (); - - if (vdec->decfilter) { - IPin *output_pin = NULL; - IEnumMediaTypes *enum_mediatypes = NULL; - HRESULT hres; - ULONG fetched; - - if (!gst_dshow_get_pin_from_filter (vdec->decfilter, PINDIR_OUTPUT, - &output_pin)) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, - ("failed getting ouput pin from the decoder"), (NULL)); - goto beach; - } - - hres = IPin_EnumMediaTypes (output_pin, &enum_mediatypes); - if (hres == S_OK && enum_mediatypes) { - AM_MEDIA_TYPE *mediatype = NULL; - - IEnumMediaTypes_Reset (enum_mediatypes); - while (hres = - IEnumMoniker_Next (enum_mediatypes, 1, &mediatype, &fetched), - hres == S_OK) { - RPC_STATUS rpcstatus; - VIDEOINFOHEADER *video_info; - GstCaps *mediacaps = NULL; - - /* RGB24 */ - if ((UuidCompare (&mediatype->subtype, &MEDIASUBTYPE_RGB24, - &rpcstatus) == 0 && rpcstatus == RPC_S_OK) - && (UuidCompare (&mediatype->formattype, &FORMAT_VideoInfo, - &rpcstatus) == 0 && rpcstatus == RPC_S_OK)) { - video_info = (VIDEOINFOHEADER *) mediatype->pbFormat; - - /* ffmpegcolorspace handles RGB24 in BIG_ENDIAN */ - mediacaps = gst_caps_new_simple ("video/x-raw-rgb", - "bpp", G_TYPE_INT, 24, - "depth", G_TYPE_INT, 24, - "width", G_TYPE_INT, video_info->bmiHeader.biWidth, - "height", G_TYPE_INT, video_info->bmiHeader.biHeight, - "framerate", GST_TYPE_FRACTION, - (int) (10000000 / video_info->AvgTimePerFrame), 1, "endianness", - G_TYPE_INT, G_BIG_ENDIAN, "red_mask", G_TYPE_INT, 255, - "green_mask", G_TYPE_INT, 65280, "blue_mask", G_TYPE_INT, - 16711680, NULL); - - if (mediacaps) { - vdec->mediatypes = g_list_append (vdec->mediatypes, mediatype); - gst_caps_append (vdec->srccaps, mediacaps); - } else { - gst_dshow_free_mediatype (mediatype); - } - } else { - gst_dshow_free_mediatype (mediatype); - } - - } - IEnumMediaTypes_Release (enum_mediatypes); - } - if (output_pin) { - IPin_Release (output_pin); - } - } - - if (vdec->srccaps) - caps = gst_caps_ref (vdec->srccaps); - -beach: - gst_object_unref (vdec); - - return caps; -} - -static gboolean -gst_dshowvideodec_src_setcaps (GstPad * pad, GstCaps * caps) -{ - gboolean ret = FALSE; - - return ret; -} - -static gboolean -gst_dshowvideodec_flush (GstDshowVideoDec * vdec) -{ - if (!vdec->gstdshowsrcfilter) - return FALSE; - - /* flush dshow decoder and reset timestamp */ - IGstDshowInterface_gst_flush (vdec->gstdshowsrcfilter); - - return TRUE; -} - -static gboolean -gst_dshowvideodec_get_filter_output_format (GstDshowVideoDec * vdec, - GUID * subtype, VIDEOINFOHEADER ** format, guint * size) -{ - IPin *output_pin = NULL; - IEnumMediaTypes *enum_mediatypes = NULL; - HRESULT hres; - ULONG fetched; - BOOL ret = FALSE; - - if (!vdec->decfilter) - return FALSE; - - if (!gst_dshow_get_pin_from_filter (vdec->decfilter, PINDIR_OUTPUT, - &output_pin)) { - GST_ELEMENT_ERROR (vdec, CORE, NEGOTIATION, - ("failed getting ouput pin from the decoder"), (NULL)); - return FALSE; - } - - hres = IPin_EnumMediaTypes (output_pin, &enum_mediatypes); - if (hres == S_OK && enum_mediatypes) { - AM_MEDIA_TYPE *mediatype = NULL; - - IEnumMediaTypes_Reset (enum_mediatypes); - while (hres = - IEnumMoniker_Next (enum_mediatypes, 1, &mediatype, &fetched), - hres == S_OK) { - RPC_STATUS rpcstatus; - - if ((UuidCompare (&mediatype->subtype, subtype, &rpcstatus) == 0 - && rpcstatus == RPC_S_OK) && - (UuidCompare (&mediatype->formattype, &FORMAT_VideoInfo, - &rpcstatus) == 0 && rpcstatus == RPC_S_OK)) { - *size = mediatype->cbFormat; - *format = g_malloc0 (*size); - memcpy (*format, mediatype->pbFormat, *size); - ret = TRUE; - } - gst_dshow_free_mediatype (mediatype); - if (ret) - break; - } - IEnumMediaTypes_Release (enum_mediatypes); - } - if (output_pin) { - IPin_Release (output_pin); - } - - return ret; -} - -static gboolean -gst_dshowvideodec_create_graph_and_filters (GstDshowVideoDec * vdec) -{ - HRESULT hres = S_FALSE; - GstDshowVideoDecClass *klass = - (GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec); - - /* create the filter graph manager object */ - hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC, - &IID_IFilterGraph, (LPVOID *) & vdec->filtergraph); - if (hres != S_OK || !vdec->filtergraph) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance " - "of the directshow graph manager (error=%d)", hres), (NULL)); - goto error; - } - - hres = IFilterGraph_QueryInterface (vdec->filtergraph, &IID_IMediaFilter, - (void **) &vdec->mediafilter); - if (hres != S_OK || !vdec->mediafilter) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, - ("Can't get IMediacontrol interface " - "from the graph manager (error=%d)", hres), (NULL)); - goto error; - } - - /* create fake src filter */ - hres = CoCreateInstance (&CLSID_DshowFakeSrc, NULL, CLSCTX_INPROC, - &IID_IBaseFilter, (LPVOID *) & vdec->srcfilter); - if (hres != S_OK || !vdec->srcfilter) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance " - "of the directshow fakesrc (error=%d)", hres), (NULL)); - goto error; - } - - /* search a decoder filter and create it */ - if (!gst_dshow_find_filter (klass->entry->input_majortype, - klass->entry->input_subtype, - klass->entry->output_majortype, - klass->entry->output_subtype, - klass->entry->preferred_filter_substring, &vdec->decfilter)) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance " - "of the decoder filter"), (NULL)); - goto error; - } - - /* create fake sink filter */ - hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC, - &IID_IBaseFilter, (LPVOID *) & vdec->sinkfilter); - if (hres != S_OK || !vdec->sinkfilter) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance " - "of the directshow fakesink (error=%d)", hres), (NULL)); - goto error; - } - - /* add filters to the graph */ - hres = IFilterGraph_AddFilter (vdec->filtergraph, vdec->srcfilter, L"src"); - if (hres != S_OK) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesrc filter " - "to the graph (error=%d)", hres), (NULL)); - goto error; - } - - hres = - IFilterGraph_AddFilter (vdec->filtergraph, vdec->decfilter, L"decoder"); - if (hres != S_OK) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add decoder filter " - "to the graph (error=%d)", hres), (NULL)); - goto error; - } - - hres = IFilterGraph_AddFilter (vdec->filtergraph, vdec->sinkfilter, L"sink"); - if (hres != S_OK) { - GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesink filter " - "to the graph (error=%d)", hres), (NULL)); - goto error; - } - - return TRUE; - -error: - if (vdec->srcfilter) { - IBaseFilter_Release (vdec->srcfilter); - vdec->srcfilter = NULL; - } - if (vdec->decfilter) { - IBaseFilter_Release (vdec->decfilter); - vdec->decfilter = NULL; - } - if (vdec->sinkfilter) { - IBaseFilter_Release (vdec->sinkfilter); - vdec->sinkfilter = NULL; - } - if (vdec->mediafilter) { - IMediaFilter_Release (vdec->mediafilter); - vdec->mediafilter = NULL; - } - if (vdec->filtergraph) { - IFilterGraph_Release (vdec->filtergraph); - vdec->filtergraph = NULL; - } - - return FALSE; -} - -static gboolean -gst_dshowvideodec_destroy_graph_and_filters (GstDshowVideoDec * vdec) -{ - if (vdec->mediafilter) { - IMediaFilter_Stop (vdec->mediafilter); - } - - if (vdec->gstdshowsrcfilter) { - IGstDshowInterface_Release (vdec->gstdshowsrcfilter); - vdec->gstdshowsrcfilter = NULL; - } - if (vdec->srcfilter) { - if (vdec->filtergraph) - IFilterGraph_RemoveFilter (vdec->filtergraph, vdec->srcfilter); - IBaseFilter_Release (vdec->srcfilter); - vdec->srcfilter = NULL; - } - if (vdec->decfilter) { - if (vdec->filtergraph) - IFilterGraph_RemoveFilter (vdec->filtergraph, vdec->decfilter); - IBaseFilter_Release (vdec->decfilter); - vdec->decfilter = NULL; - } - if (vdec->sinkfilter) { - if (vdec->filtergraph) - IFilterGraph_RemoveFilter (vdec->filtergraph, vdec->sinkfilter); - IBaseFilter_Release (vdec->sinkfilter); - vdec->sinkfilter = NULL; - } - if (vdec->mediafilter) { - IMediaFilter_Release (vdec->mediafilter); - vdec->mediafilter = NULL; - } - if (vdec->filtergraph) { - IFilterGraph_Release (vdec->filtergraph); - vdec->filtergraph = NULL; - } - - return TRUE; -} - -gboolean -dshow_vdec_register (GstPlugin * plugin) -{ - GTypeInfo info = { - sizeof (GstDshowVideoDecClass), - (GBaseInitFunc) gst_dshowvideodec_base_init, - NULL, - (GClassInitFunc) gst_dshowvideodec_class_init, - NULL, - NULL, - sizeof (GstDshowVideoDec), - 0, - (GInstanceInitFunc) gst_dshowvideodec_init, - }; - gint i; - HRESULT hr; - - GST_DEBUG_CATEGORY_INIT (dshowvideodec_debug, "dshowvideodec", 0, - "Directshow filter video decoder"); - - hr = CoInitialize (0); - - for (i = 0; i < sizeof (video_dec_codecs) / sizeof (CodecEntry); i++) { - GType type; - - if (gst_dshow_find_filter (video_dec_codecs[i].input_majortype, - video_dec_codecs[i].input_subtype, - video_dec_codecs[i].output_majortype, - video_dec_codecs[i].output_subtype, - video_dec_codecs[i].preferred_filter_substring, NULL)) { - - GST_CAT_DEBUG (dshowvideodec_debug, "Registering %s", - video_dec_codecs[i].element_name); - - tmp = &video_dec_codecs[i]; - type = - g_type_register_static (GST_TYPE_ELEMENT, - video_dec_codecs[i].element_name, &info, 0); - if (!gst_element_register (plugin, video_dec_codecs[i].element_name, - GST_RANK_PRIMARY, type)) { - return FALSE; - } - GST_CAT_DEBUG (dshowvideodec_debug, "Registered %s", - video_dec_codecs[i].element_name); - } else { - GST_CAT_DEBUG (dshowvideodec_debug, - "Element %s not registered (the format is not supported by the system)", - video_dec_codecs[i].element_name); - } - } - - if (SUCCEEDED (hr)) - CoUninitialize (); - - return TRUE; -} |