*
* 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.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
* <refsect2>
* <title>Example launch line</title>
* |[
- * gst-launch filesrc location=test.dv ! dvdemux name=demux ! dvdec ! xvimagesink
+ * gst-launch-1.0 filesrc location=test.dv ! dvdemux name=demux ! dvdec ! xvimagesink
* ]| This pipeline decodes and renders the raw DV stream to a videosink.
* </refsect2>
*
#include <string.h>
#include <math.h>
#include <gst/video/video.h>
+#include <gst/video/gstvideometa.h>
+#include <gst/video/gstvideopool.h>
#include "gstdvdec.h"
static GstStaticPadTemplate src_temp = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw-yuv, "
- "format = (fourcc) YUY2, "
- "width = (int) 720, "
- "framerate = (fraction) [ 1/1, 60/1 ];"
- "video/x-raw-rgb, "
- "bpp = (int) 32, "
- "depth = (int) 24, "
- "endianness = (int) " G_STRINGIFY (G_BIG_ENDIAN) ", "
- "red_mask = (int) 0x0000ff00, "
- "green_mask = (int) 0x00ff0000, "
- "blue_mask = (int) 0xff000000, "
- "width = (int) 720, "
- "framerate = (fraction) [ 1/1, 60/1 ];"
- "video/x-raw-rgb, "
- "bpp = (int) 24, "
- "depth = (int) 24, "
- "endianness = (int) " G_STRINGIFY (G_BIG_ENDIAN) ", "
- "red_mask = (int) 0x00ff0000, "
- "green_mask = (int) 0x0000ff00, "
- "blue_mask = (int) 0x000000ff, "
- "width = (int) 720, " "framerate = (fraction) [ 1/1, 60/1 ]")
+ GST_STATIC_CAPS ("video/x-raw, "
+ "format = (string) { YUY2, BGRx, RGB }, "
+ "framerate = (fraction) [ 1/1, 60/1 ], "
+ "width = (int) 720, " "height = (int) { 576, 480 }")
);
#define GST_TYPE_DVDEC_QUALITY (gst_dvdec_quality_get_type())
return qtype;
}
-GST_BOILERPLATE (GstDVDec, gst_dvdec, GstElement, GST_TYPE_ELEMENT);
+#define gst_dvdec_parent_class parent_class
+G_DEFINE_TYPE (GstDVDec, gst_dvdec, GST_TYPE_ELEMENT);
-static void gst_dvdec_finalize (GObject * object);
-static gboolean gst_dvdec_sink_setcaps (GstPad * pad, GstCaps * caps);
-static GstFlowReturn gst_dvdec_chain (GstPad * pad, GstBuffer * buffer);
-static gboolean gst_dvdec_sink_event (GstPad * pad, GstEvent * event);
+static GstFlowReturn gst_dvdec_chain (GstPad * pad, GstObject * parent,
+ GstBuffer * buffer);
+static gboolean gst_dvdec_sink_event (GstPad * pad, GstObject * parent,
+ GstEvent * event);
static GstStateChangeReturn gst_dvdec_change_state (GstElement * element,
GstStateChange transition);
GValue * value, GParamSpec * pspec);
static void
-gst_dvdec_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_temp));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_temp));
-
- gst_element_class_set_details_simple (element_class, "DV video decoder",
- "Codec/Decoder/Video",
- "Uses libdv to decode DV video (smpte314) (libdv.sourceforge.net)",
- "Erik Walthinsen <omega@cse.ogi.edu>," "Wim Taymans <wim@fluendo.com>");
-
- GST_DEBUG_CATEGORY_INIT (dvdec_debug, "dvdec", 0, "DV decoding element");
-}
-
-static void
gst_dvdec_class_init (GstDVDecClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
- gobject_class->finalize = gst_dvdec_finalize;
gobject_class->set_property = gst_dvdec_set_property;
gobject_class->get_property = gst_dvdec_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CLAMP_LUMA,
- g_param_spec_boolean ("clamp_luma", "Clamp luma", "Clamp luma",
- FALSE, G_PARAM_READWRITE));
+ g_param_spec_boolean ("clamp-luma", "Clamp luma", "Clamp luma",
+ FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CLAMP_CHROMA,
- g_param_spec_boolean ("clamp_chroma", "Clamp chroma", "Clamp chroma",
- FALSE, G_PARAM_READWRITE));
+ g_param_spec_boolean ("clamp-chroma", "Clamp chroma", "Clamp chroma",
+ FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
g_param_spec_enum ("quality", "Quality", "Decoding quality",
- GST_TYPE_DVDEC_QUALITY, DV_DEFAULT_QUALITY, G_PARAM_READWRITE));
+ GST_TYPE_DVDEC_QUALITY, DV_DEFAULT_QUALITY,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DECODE_NTH,
g_param_spec_int ("drop-factor", "Drop Factor", "Only decode Nth frame",
- 1, G_MAXINT, DV_DEFAULT_DECODE_NTH, G_PARAM_READWRITE));
+ 1, G_MAXINT, DV_DEFAULT_DECODE_NTH,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_dvdec_change_state);
- gstelement_class->change_state = gst_dvdec_change_state;
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&sink_temp));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&src_temp));
+
+ gst_element_class_set_static_metadata (gstelement_class, "DV video decoder",
+ "Codec/Decoder/Video",
+ "Uses libdv to decode DV video (smpte314) (libdv.sourceforge.net)",
+ "Erik Walthinsen <omega@cse.ogi.edu>," "Wim Taymans <wim@fluendo.com>");
+
+ GST_DEBUG_CATEGORY_INIT (dvdec_debug, "dvdec", 0, "DV decoding element");
}
static void
-gst_dvdec_init (GstDVDec * dvdec, GstDVDecClass * g_class)
+gst_dvdec_init (GstDVDec * dvdec)
{
dvdec->sinkpad = gst_pad_new_from_static_template (&sink_temp, "sink");
- gst_pad_set_setcaps_function (dvdec->sinkpad,
- GST_DEBUG_FUNCPTR (gst_dvdec_sink_setcaps));
gst_pad_set_chain_function (dvdec->sinkpad, gst_dvdec_chain);
gst_pad_set_event_function (dvdec->sinkpad, gst_dvdec_sink_event);
gst_element_add_pad (GST_ELEMENT (dvdec), dvdec->sinkpad);
dvdec->clamp_luma = FALSE;
dvdec->clamp_chroma = FALSE;
dvdec->quality = DV_DEFAULT_QUALITY;
- dvdec->segment = gst_segment_new ();
-}
-
-static void
-gst_dvdec_finalize (GObject * object)
-{
- GstDVDec *dvdec = GST_DVDEC (object);
-
- gst_segment_free (dvdec->segment);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
-gst_dvdec_sink_setcaps (GstPad * pad, GstCaps * caps)
+gst_dvdec_sink_setcaps (GstDVDec * dvdec, GstCaps * caps)
{
- GstDVDec *dvdec;
GstStructure *s;
const GValue *par = NULL, *rate = NULL;
- dvdec = GST_DVDEC (gst_pad_get_parent (pad));
-
/* first parse the caps */
s = gst_caps_get_structure (caps, 0);
dvdec->sink_negotiated = TRUE;
dvdec->src_negotiated = FALSE;
- gst_object_unref (dvdec);
-
return TRUE;
/* ERRORS */
no_framerate:
{
GST_DEBUG_OBJECT (dvdec, "no framerate specified in caps");
- gst_object_unref (dvdec);
return FALSE;
}
}
+static void
+gst_dvdec_negotiate_pool (GstDVDec * dec, GstCaps * caps, GstVideoInfo * info)
+{
+ GstQuery *query;
+ GstBufferPool *pool;
+ guint size, min, max;
+ GstStructure *config;
+
+ /* find a pool for the negotiated caps now */
+ query = gst_query_new_allocation (caps, TRUE);
+
+ if (!gst_pad_peer_query (dec->srcpad, query)) {
+ GST_DEBUG_OBJECT (dec, "didn't get downstream ALLOCATION hints");
+ }
+
+ if (gst_query_get_n_allocation_pools (query) > 0) {
+ /* we got configuration from our peer, parse them */
+ gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
+ size = MAX (size, info->size);
+ } else {
+ pool = NULL;
+ size = info->size;
+ min = max = 0;
+ }
+
+ if (pool == NULL) {
+ /* we did not get a pool, make one ourselves then */
+ pool = gst_video_buffer_pool_new ();
+ }
+
+ if (dec->pool) {
+ gst_buffer_pool_set_active (dec->pool, FALSE);
+ gst_object_unref (dec->pool);
+ }
+ dec->pool = pool;
+
+ config = gst_buffer_pool_get_config (pool);
+ gst_buffer_pool_config_set_params (config, caps, size, min, max);
+
+ if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
+ /* just set the option, if the pool can support it we will transparently use
+ * it through the video info API. We could also see if the pool support this
+ * option and only activate it then. */
+ gst_buffer_pool_config_add_option (config,
+ GST_BUFFER_POOL_OPTION_VIDEO_META);
+ }
+ gst_buffer_pool_set_config (pool, config);
+
+ /* and activate */
+ gst_buffer_pool_set_active (pool, TRUE);
+
+ gst_query_unref (query);
+}
+
static gboolean
gst_dvdec_src_negotiate (GstDVDec * dvdec)
{
/* ignoring rgb, bgr0 for now */
dvdec->bpp = 2;
- othercaps = gst_caps_new_simple ("video/x-raw-yuv",
- "format", GST_TYPE_FOURCC, GST_STR_FOURCC ("YUY2"),
- "width", G_TYPE_INT, 720,
- "height", G_TYPE_INT, dvdec->height,
- "framerate", GST_TYPE_FRACTION, dvdec->framerate_numerator,
- dvdec->framerate_denominator,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, dvdec->par_x,
- dvdec->par_y, "interlaced", G_TYPE_BOOLEAN, dvdec->interlaced, NULL);
+ gst_video_info_set_format (&dvdec->vinfo, GST_VIDEO_FORMAT_YUY2,
+ 720, dvdec->height);
+ dvdec->vinfo.fps_n = dvdec->framerate_numerator;
+ dvdec->vinfo.fps_d = dvdec->framerate_denominator;
+ dvdec->vinfo.par_n = dvdec->par_x;
+ dvdec->vinfo.par_d = dvdec->par_y;
+ if (dvdec->interlaced) {
+ dvdec->vinfo.interlace_mode = GST_VIDEO_INTERLACE_MODE_INTERLEAVED;
+ } else {
+ dvdec->vinfo.interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
+ }
+ othercaps = gst_video_info_to_caps (&dvdec->vinfo);
gst_pad_set_caps (dvdec->srcpad, othercaps);
+
+ gst_dvdec_negotiate_pool (dvdec, othercaps, &dvdec->vinfo);
gst_caps_unref (othercaps);
dvdec->src_negotiated = TRUE;
}
static gboolean
-gst_dvdec_sink_event (GstPad * pad, GstEvent * event)
+gst_dvdec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstDVDec *dvdec;
gboolean res = TRUE;
- dvdec = GST_DVDEC (gst_pad_get_parent (pad));
+ dvdec = GST_DVDEC (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
- gst_segment_init (dvdec->segment, GST_FORMAT_UNDEFINED);
+ gst_segment_init (&dvdec->segment, GST_FORMAT_UNDEFINED);
+ dvdec->need_segment = FALSE;
break;
- case GST_EVENT_NEWSEGMENT:{
- gboolean update;
- gdouble rate, applied_rate;
- GstFormat format;
- gint64 start, stop, position;
-
- gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
- &format, &start, &stop, &position);
-
- GST_DEBUG_OBJECT (dvdec, "Got NEWSEGMENT [%" GST_TIME_FORMAT
- " - %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT "]",
- GST_TIME_ARGS (start), GST_TIME_ARGS (stop),
- GST_TIME_ARGS (position));
-
- gst_segment_set_newsegment_full (dvdec->segment, update, rate,
- applied_rate, format, start, stop, position);
+ case GST_EVENT_SEGMENT:{
+ const GstSegment *segment;
+
+ gst_event_parse_segment (event, &segment);
+
+ GST_DEBUG_OBJECT (dvdec, "Got SEGMENT %" GST_SEGMENT_FORMAT, &segment);
+
+ gst_segment_copy_into (segment, &dvdec->segment);
+ if (!gst_pad_has_current_caps (dvdec->srcpad)) {
+ dvdec->need_segment = TRUE;
+ gst_event_unref (event);
+ event = NULL;
+ res = TRUE;
+ } else {
+ dvdec->need_segment = FALSE;
+ }
+ break;
+ }
+ case GST_EVENT_CAPS:
+ {
+ GstCaps *caps;
+
+ gst_event_parse_caps (event, &caps);
+ res = gst_dvdec_sink_setcaps (dvdec, caps);
+ gst_event_unref (event);
+ event = NULL;
break;
}
+
default:
break;
}
- res = gst_pad_push_event (dvdec->srcpad, event);
+ if (event)
+ res = gst_pad_push_event (dvdec->srcpad, event);
return res;
}
static GstFlowReturn
-gst_dvdec_chain (GstPad * pad, GstBuffer * buf)
+gst_dvdec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstDVDec *dvdec;
guint8 *inframe;
- guint8 *outframe;
guint8 *outframe_ptrs[3];
gint outframe_pitches[3];
+ GstMapInfo map;
+ GstVideoFrame frame;
GstBuffer *outbuf;
GstFlowReturn ret = GST_FLOW_OK;
guint length;
- gint64 cstart, cstop;
+ guint64 cstart, cstop;
gboolean PAL, wide;
- dvdec = GST_DVDEC (gst_pad_get_parent (pad));
- inframe = GST_BUFFER_DATA (buf);
+ dvdec = GST_DVDEC (parent);
+
+ gst_buffer_map (buf, &map, GST_MAP_READ);
+ inframe = map.data;
/* buffer should be at least the size of one NTSC frame, this should
* be enough to decode the header. */
- if (G_UNLIKELY (GST_BUFFER_SIZE (buf) < NTSC_BUFFER))
+ if (G_UNLIKELY (map.size < NTSC_BUFFER))
goto wrong_size;
/* preliminary dropping. unref and return if outside of configured segment */
- if ((dvdec->segment->format == GST_FORMAT_TIME) &&
- (!(gst_segment_clip (dvdec->segment, GST_FORMAT_TIME,
+ if ((dvdec->segment.format == GST_FORMAT_TIME) &&
+ (!(gst_segment_clip (&dvdec->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buf),
GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf),
&cstart, &cstop))))
/* check the buffer is of right size after we know if we are
* dealing with PAL or NTSC */
length = (PAL ? PAL_BUFFER : NTSC_BUFFER);
- if (G_UNLIKELY (GST_BUFFER_SIZE (buf) < length))
+ if (G_UNLIKELY (map.size < length))
goto wrong_size;
dv_parse_packs (dvdec->decoder, inframe);
goto not_negotiated;
}
- ret =
- gst_pad_alloc_buffer_and_set_caps (dvdec->srcpad, 0,
- (720 * dvdec->height) * dvdec->bpp,
- GST_PAD_CAPS (dvdec->srcpad), &outbuf);
+ if (gst_pad_check_reconfigure (dvdec->srcpad)) {
+ GstCaps *caps;
+
+ caps = gst_pad_get_current_caps (dvdec->srcpad);
+ gst_dvdec_negotiate_pool (dvdec, caps, &dvdec->vinfo);
+ gst_caps_unref (caps);
+ }
+
+ if (dvdec->need_segment) {
+ gst_pad_push_event (dvdec->srcpad, gst_event_new_segment (&dvdec->segment));
+ dvdec->need_segment = FALSE;
+ }
+
+ ret = gst_buffer_pool_acquire_buffer (dvdec->pool, &outbuf, NULL);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto no_buffer;
- outframe = GST_BUFFER_DATA (outbuf);
+ gst_video_frame_map (&frame, &dvdec->vinfo, outbuf, GST_MAP_WRITE);
- outframe_ptrs[0] = outframe;
- outframe_pitches[0] = 720 * dvdec->bpp;
+ outframe_ptrs[0] = GST_VIDEO_FRAME_COMP_DATA (&frame, 0);
+ outframe_pitches[0] = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 0);
/* the rest only matters for YUY2 */
if (dvdec->bpp < 3) {
- outframe_ptrs[1] = outframe_ptrs[0] + 720 * dvdec->height;
- outframe_ptrs[2] = outframe_ptrs[1] + 360 * dvdec->height;
+ outframe_ptrs[1] = GST_VIDEO_FRAME_COMP_DATA (&frame, 1);
+ outframe_ptrs[2] = GST_VIDEO_FRAME_COMP_DATA (&frame, 2);
- outframe_pitches[1] = dvdec->height / 2;
- outframe_pitches[2] = outframe_pitches[1];
+ outframe_pitches[1] = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 1);
+ outframe_pitches[2] = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 2);
}
GST_DEBUG_OBJECT (dvdec, "decoding and pushing buffer");
dv_decode_full_frame (dvdec->decoder, inframe,
e_dv_color_yuv, outframe_ptrs, outframe_pitches);
- GST_BUFFER_FLAG_UNSET (outbuf, GST_VIDEO_BUFFER_TFF);
+ gst_video_frame_unmap (&frame);
+
+ GST_BUFFER_FLAG_UNSET (outbuf, GST_VIDEO_BUFFER_FLAG_TFF);
GST_BUFFER_OFFSET (outbuf) = GST_BUFFER_OFFSET (buf);
GST_BUFFER_OFFSET_END (outbuf) = GST_BUFFER_OFFSET_END (buf);
dvdec->video_offset++;
done:
+ gst_buffer_unmap (buf, &map);
gst_buffer_unref (buf);
- gst_object_unref (dvdec);
return ret;
dv_decoder_new (0, dvdec->clamp_luma, dvdec->clamp_chroma);
dvdec->decoder->quality = qualities[dvdec->quality];
dv_set_error_log (dvdec->decoder, NULL);
- gst_segment_init (dvdec->segment, GST_FORMAT_UNDEFINED);
+ gst_video_info_init (&dvdec->vinfo);
+ gst_segment_init (&dvdec->segment, GST_FORMAT_UNDEFINED);
dvdec->src_negotiated = FALSE;
dvdec->sink_negotiated = FALSE;
+ dvdec->need_segment = FALSE;
/*
* Enable this function call when libdv2 0.100 or higher is more
* common
break;
}
- ret = parent_class->change_state (element, transition);
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
case GST_STATE_CHANGE_PAUSED_TO_READY:
dv_decoder_free (dvdec->decoder);
dvdec->decoder = NULL;
+ if (dvdec->pool) {
+ gst_buffer_pool_set_active (dvdec->pool, FALSE);
+ gst_object_unref (dvdec->pool);
+ dvdec->pool = NULL;
+ }
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
projects / platform / upstream / gst-plugins-good.git / blobdiff