-/* Schrodinger
+/* GStreamer
* Copyright (C) 2006 David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
static void gst_base_video_codec_finalize (GObject * object);
-//static const GstQueryType *gst_base_video_codec_get_query_types (GstPad *pad);
-//static gboolean gst_base_video_codec_src_query (GstPad *pad, GstQuery *query);
-//static gboolean gst_base_video_codec_sink_query (GstPad *pad, GstQuery *query);
-//static gboolean gst_base_video_codec_src_event (GstPad *pad, GstEvent *event);
-//static gboolean gst_base_video_codec_sink_event (GstPad *pad, GstEvent *event);
static GstStateChangeReturn gst_base_video_codec_change_state (GstElement *
element, GstStateChange transition);
-//static GstFlowReturn gst_base_video_codec_push_all (GstBaseVideoCodec *base_video_codec,
-// gboolean at_eos);
GST_BOILERPLATE (GstBaseVideoCodec, gst_base_video_codec, GstElement,
g_return_if_fail (pad_template != NULL);
base_video_codec->sinkpad = gst_pad_new_from_template (pad_template, "sink");
- //gst_pad_set_query_function (base_video_codec->sinkpad,
- // gst_base_video_codec_sink_query);
gst_element_add_pad (GST_ELEMENT (base_video_codec),
base_video_codec->sinkpad);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
-#ifdef unused
-static const GstQueryType *
-gst_base_video_codec_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-#endif
-
-#if 0
-static gboolean
-gst_base_video_codec_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res;
- GstBaseVideoCodec *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-
-static gboolean
-gst_base_video_codec_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoCodec *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_d * GST_SECOND, dec->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_n, dec->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoCodec *base_codec;
- gboolean res = FALSE;
-
- base_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 time;
- gint64 value;
-
- gst_query_parse_position (query, &format, NULL);
-
- time = gst_util_uint64_scale (base_codec->system_frame_number,
- base_codec->state.fps_n, base_codec->state.fps_d);
- time += base_codec->state.segment.time;
- GST_DEBUG ("query position %" GST_TIME_FORMAT, GST_TIME_ARGS (time));
- res = gst_base_video_encoded_video_convert (&base_codec->state,
- GST_FORMAT_TIME, time, &format, &value);
- if (!res)
- goto error;
-
- gst_query_set_position (query, format, value);
- break;
- }
- case GST_QUERY_DURATION:
- res = gst_pad_query (GST_PAD_PEER (base_codec->sinkpad), query);
- if (!res)
- goto error;
- break;
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- GST_DEBUG ("query convert");
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_codec->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_codec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_codec, "query failed");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean res = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_codec, "query failed");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean res = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- format, cur, &tformat, &tcur);
- if (!res)
- goto convert_error;
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- format, stop, &tformat, &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res = gst_pad_push_event (base_video_codec->sinkpad, real_seek);
-
- break;
- }
-#if 0
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_codec);
- base_video_codec->proportion = proportion;
- base_video_codec->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_video_codec);
-
- GST_DEBUG_OBJECT (base_video_codec,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
- GST_TIME_ARGS (timestamp), diff);
-
- res = gst_pad_push_event (base_video_codec->sinkpad, event);
- break;
- }
-#endif
- default:
- res = gst_pad_push_event (base_video_codec->sinkpad, event);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_codec, "could not convert format");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean ret = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_START:
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_base_video_codec_reset (base_video_codec);
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_EOS:
- if (gst_base_video_codec_push_all (base_video_codec,
- FALSE) == GST_FLOW_ERROR) {
- gst_event_unref (event);
- return FALSE;
- }
-
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- GstFormat format;
- gdouble rate;
- gint64 start, stop, time;
-
- gst_event_parse_new_segment (event, &update, &rate, &format, &start,
- &stop, &time);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- if (rate <= 0.0)
- goto newseg_wrong_rate;
-
- GST_DEBUG ("newsegment %" GST_TIME_FORMAT " %" GST_TIME_FORMAT,
- GST_TIME_ARGS (start), GST_TIME_ARGS (time));
- gst_segment_set_newsegment (&base_video_codec->state.segment, update,
- rate, format, start, stop, time);
-
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- }
- default:
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
- return ret;
-
-newseg_wrong_format:
- GST_DEBUG_OBJECT (base_video_codec, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
-
-newseg_wrong_rate:
- GST_DEBUG_OBJECT (base_video_codec, "negative rates not supported");
- gst_event_unref (event);
- goto done;
-}
-#endif
-
-
static GstStateChangeReturn
gst_base_video_codec_change_state (GstElement * element,
GstStateChange transition)