diff options
Diffstat (limited to 'gst-libs/gst/video/gstbasevideocodec.c')
| -rw-r--r-- | gst-libs/gst/video/gstbasevideocodec.c | 565 |
1 files changed, 0 insertions, 565 deletions
diff --git a/gst-libs/gst/video/gstbasevideocodec.c b/gst-libs/gst/video/gstbasevideocodec.c deleted file mode 100644 index 9cddc3bf4..000000000 --- a/gst-libs/gst/video/gstbasevideocodec.c +++ /dev/null @@ -1,565 +0,0 @@ -/* Schrodinger - * Copyright (C) 2006 David Schleef <ds@schleef.org> - * - * 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 "gstbasevideocodec.h" - -#include <string.h> -#include <math.h> - -GST_DEBUG_CATEGORY (basevideo_debug); -#define GST_CAT_DEFAULT basevideo_debug - -/* GstBaseVideoCodec signals and args */ -enum -{ - LAST_SIGNAL -}; - -enum -{ - ARG_0 -}; - -static void gst_base_video_codec_finalize (GObject * object); - -static GstStateChangeReturn gst_base_video_codec_change_state (GstElement * - element, GstStateChange transition); - - -GST_BOILERPLATE (GstBaseVideoCodec, gst_base_video_codec, GstElement, - GST_TYPE_ELEMENT); - -static void -gst_base_video_codec_base_init (gpointer g_class) -{ - GST_DEBUG_CATEGORY_INIT (basevideo_debug, "basevideo", 0, - "Base Video Classes"); - -} - -static void -gst_base_video_codec_class_init (GstBaseVideoCodecClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *element_class; - - gobject_class = G_OBJECT_CLASS (klass); - element_class = GST_ELEMENT_CLASS (klass); - - gobject_class->finalize = gst_base_video_codec_finalize; - - element_class->change_state = gst_base_video_codec_change_state; -} - -static void -gst_base_video_codec_init (GstBaseVideoCodec * base_video_codec, - GstBaseVideoCodecClass * klass) -{ - GstPadTemplate *pad_template; - - GST_DEBUG ("gst_base_video_codec_init"); - - pad_template = - gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "sink"); - g_return_if_fail (pad_template != NULL); - - base_video_codec->sinkpad = gst_pad_new_from_template (pad_template, "sink"); - gst_element_add_pad (GST_ELEMENT (base_video_codec), - base_video_codec->sinkpad); - - pad_template = - gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "src"); - g_return_if_fail (pad_template != NULL); - - base_video_codec->srcpad = gst_pad_new_from_template (pad_template, "src"); - gst_pad_use_fixed_caps (base_video_codec->srcpad); - gst_element_add_pad (GST_ELEMENT (base_video_codec), - base_video_codec->srcpad); - - base_video_codec->input_adapter = gst_adapter_new (); - base_video_codec->output_adapter = gst_adapter_new (); - -} - -static void -gst_base_video_codec_reset (GstBaseVideoCodec * base_video_codec) -{ - GST_DEBUG ("reset"); - - base_video_codec->system_frame_number = 0; - - gst_adapter_clear (base_video_codec->input_adapter); - gst_adapter_clear (base_video_codec->output_adapter); - -} - -static void -gst_base_video_codec_finalize (GObject * object) -{ - GstBaseVideoCodec *base_video_codec; - - g_return_if_fail (GST_IS_BASE_VIDEO_CODEC (object)); - base_video_codec = GST_BASE_VIDEO_CODEC (object); - - if (base_video_codec->input_adapter) { - g_object_unref (base_video_codec->input_adapter); - } - if (base_video_codec->output_adapter) { - g_object_unref (base_video_codec->output_adapter); - } - - 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 %lld", 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 %lld %lld", start, 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) -{ - GstBaseVideoCodec *base_video_codec = GST_BASE_VIDEO_CODEC (element); - GstStateChangeReturn ret; - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - gst_base_video_codec_reset (base_video_codec); - break; - case GST_STATE_CHANGE_PAUSED_TO_PLAYING: - break; - default: - break; - } - - ret = parent_class->change_state (element, transition); - - switch (transition) { - case GST_STATE_CHANGE_PLAYING_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - gst_base_video_codec_reset (base_video_codec); - break; - case GST_STATE_CHANGE_READY_TO_NULL: - break; - default: - break; - } - - return ret; -} - -#if 0 -guint64 -gst_base_video_codec_get_timestamp (GstBaseVideoCodec * base_video_codec, - int picture_number) -{ - if (picture_number < 0) { - return base_video_codec->timestamp_offset - - (gint64) gst_util_uint64_scale (-picture_number, - base_video_codec->state.fps_d * GST_SECOND, - base_video_codec->state.fps_n); - } else { - return base_video_codec->timestamp_offset + - gst_util_uint64_scale (picture_number, - base_video_codec->state.fps_d * GST_SECOND, - base_video_codec->state.fps_n); - } -} -#endif - -GstVideoFrame * -gst_base_video_codec_new_frame (GstBaseVideoCodec * base_video_codec) -{ - GstVideoFrame *frame; - - frame = g_malloc0 (sizeof (GstVideoFrame)); - - frame->system_frame_number = base_video_codec->system_frame_number; - base_video_codec->system_frame_number++; - - return frame; -} - -void -gst_base_video_codec_free_frame (GstVideoFrame * frame) -{ - if (frame->sink_buffer) { - gst_buffer_unref (frame->sink_buffer); - } -#if 0 - if (frame->src_buffer) { - gst_buffer_unref (frame->src_buffer); - } -#endif - - g_free (frame); -} |