2 * GStreamer codec plugin for Tizen Emulator.
4 * Copyright (C) 2013 Samsung Electronics Co., Ltd. All rights reserved.
7 * KiTae Kim <kt920.kim@samsung.com>
8 * SeokYeon Hwang <syeon.hwang@samsung.com>
9 * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Library General Public License for more details.
21 * You should have received a copy of the GNU Library General Public
22 * License along with this library; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 02111-1307, USA.
32 #include "gstmaruutils.h"
33 #include "gstmaruinterface.h"
34 #include "gstmarudevice.h"
36 #define GST_MARUDEC_PARAMS_QDATA g_quark_from_static_string("marudec-params")
38 /* indicate dts, pts, offset in the stream */
42 GstClockTime timestamp;
43 GstClockTime duration;
47 #define GST_TS_INFO_NONE &ts_info_none
48 static const GstTSInfo ts_info_none = { -1, -1, -1, -1 };
50 #define MAX_TS_MASK 0xff
52 typedef struct _GstMaruDec
59 CodecContext *context;
65 gint clip_width, clip_height;
68 gint old_fps_n, old_fps_d;
71 enum PixelFormat pix_fmt;
84 /* tracking DTS/PTS */
85 GstClockTime next_out;
89 GstClockTime earliest_time;
94 /* GstSegment can be used for two purposes:
95 * 1. performing seeks (handling seek events)
96 * 2. tracking playback regions (handling newsegment events)
100 GstTSInfo ts_info[MAX_TS_MASK + 1];
103 /* reverse playback queue */
108 typedef struct _GstMaruDecClass
110 GstElementClass parent_class;
113 GstPadTemplate *sinktempl;
114 GstPadTemplate *srctempl;
118 static GstElementClass *parent_class = NULL;
120 static void gst_marudec_base_init (GstMaruDecClass *klass);
121 static void gst_marudec_class_init (GstMaruDecClass *klass);
122 static void gst_marudec_init (GstMaruDec *marudec);
123 static void gst_marudec_finalize (GObject *object);
125 static gboolean gst_marudec_setcaps (GstPad *pad, GstCaps *caps);
128 static gboolean gst_marudec_sink_event (GstPad *pad, GstEvent *event);
129 static GstFlowReturn gst_marudec_chain (GstPad *pad, GstBuffer *buffer);
132 static gboolean gst_marudec_src_event (GstPad *pad, GstEvent *event);
133 static GstStateChangeReturn gst_marudec_change_state (GstElement *element,
134 GstStateChange transition);
136 static gboolean gst_marudec_negotiate (GstMaruDec *dec, gboolean force);
138 static gint gst_marudec_frame (GstMaruDec *marudec, guint8 *data,
139 guint size, gint *got_data,
140 const GstTSInfo *dec_info, gint64 in_offset, GstFlowReturn *ret);
142 static gboolean gst_marudec_open (GstMaruDec *marudec);
143 static int gst_marudec_close (GstMaruDec *marudec);
146 static const GstTSInfo *
147 gst_ts_info_store (GstMaruDec *dec, GstClockTime timestamp,
148 GstClockTime duration, gint64 offset)
150 gint idx = dec->ts_idx;
151 dec->ts_info[idx].idx = idx;
152 dec->ts_info[idx].timestamp = timestamp;
153 dec->ts_info[idx].duration = duration;
154 dec->ts_info[idx].offset = offset;
155 dec->ts_idx = (idx + 1) & MAX_TS_MASK;
157 return &dec->ts_info[idx];
160 static const GstTSInfo *
161 gst_ts_info_get (GstMaruDec *dec, gint idx)
163 if (G_UNLIKELY (idx < 0 || idx > MAX_TS_MASK))
164 return GST_TS_INFO_NONE;
166 return &dec->ts_info[idx];
170 gst_marudec_reset_ts (GstMaruDec *marudec)
172 marudec->next_out = GST_CLOCK_TIME_NONE;
176 gst_marudec_update_qos (GstMaruDec *marudec, gdouble proportion,
177 GstClockTime timestamp)
179 GST_LOG_OBJECT (marudec, "update QOS: %f, %" GST_TIME_FORMAT,
180 proportion, GST_TIME_ARGS (timestamp));
182 GST_OBJECT_LOCK (marudec);
183 marudec->proportion = proportion;
184 marudec->earliest_time = timestamp;
185 GST_OBJECT_UNLOCK (marudec);
189 gst_marudec_reset_qos (GstMaruDec *marudec)
191 gst_marudec_update_qos (marudec, 0.5, GST_CLOCK_TIME_NONE);
192 marudec->processed = 0;
193 marudec->dropped = 0;
197 gst_marudec_do_qos (GstMaruDec *marudec, GstClockTime timestamp,
198 gboolean *mode_switch)
200 GstClockTimeDiff diff;
202 GstClockTime qostime, earliest_time;
205 *mode_switch = FALSE;
207 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (timestamp))) {
208 marudec->processed++;
212 proportion = marudec->proportion;
213 earliest_time = marudec->earliest_time;
215 qostime = gst_segment_to_running_time (&marudec->segment, GST_FORMAT_TIME,
218 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (qostime))) {
219 marudec->processed++;
223 diff = GST_CLOCK_DIFF (qostime, earliest_time);
225 if (proportion < 0.4 && diff < 0 ){
226 marudec->processed++;
230 // if (marudec->waiting_for_key) {
236 GstClockTime stream_time, jitter;
241 gst_segment_to_stream_time (&marudec->segment, GST_FORMAT_TIME,
243 jitter = GST_CLOCK_DIFF (qostime, earliest_time);
245 gst_message_new_qos (GST_OBJECT_CAST (marudec), FALSE, qostime,
246 stream_time, timestamp, GST_CLOCK_TIME_NONE);
247 gst_message_set_qos_values (qos_msg, jitter, proportion, 1000000);
248 gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS,
249 marudec->processed, marudec->dropped);
250 gst_element_post_message (GST_ELEMENT_CAST (marudec), qos_msg);
256 marudec->processed++;
261 clear_queued (GstMaruDec *marudec)
263 g_list_foreach (marudec->queued, (GFunc) gst_mini_object_unref, NULL);
264 g_list_free (marudec->queued);
265 marudec->queued = NULL;
269 flush_queued (GstMaruDec *marudec)
271 GstFlowReturn res = GST_FLOW_OK;
273 CODEC_LOG (DEBUG, "flush queued\n");
275 while (marudec->queued) {
276 GstBuffer *buf = GST_BUFFER_CAST (marudec->queued->data);
278 GST_LOG_OBJECT (marudec, "pushing buffer %p, offset %"
279 G_GUINT64_FORMAT ", timestamp %"
280 GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT, buf,
281 GST_BUFFER_OFFSET (buf),
282 GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
283 GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
285 res = gst_pad_push (marudec->srcpad, buf);
288 g_list_delete_link (marudec->queued, marudec->queued);
295 gst_marudec_drain (GstMaruDec *marudec)
297 GstMaruDecClass *oclass;
299 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
304 gint have_data, len, try = 0;
310 gst_marudec_frame (marudec, NULL, 0, &have_data, &ts_info_none, 0, &ret);
312 if (len < 0 || have_data == 0) {
315 } while (try++ < 10);
319 if (marudec->segment.rate < 0.0) {
320 CODEC_LOG (DEBUG, "reverse playback\n");
321 flush_queued (marudec);
329 gst_marudec_base_init (GstMaruDecClass *klass)
331 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
332 GstCaps *sinkcaps = NULL, *srccaps = NULL;
333 GstPadTemplate *sinktempl, *srctempl;
335 gchar *longname, *classification, *description;
338 (CodecElement *)g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
339 GST_MARUDEC_PARAMS_QDATA);
341 longname = g_strdup_printf ("%s Decoder", codec->longname);
342 classification = g_strdup_printf ("Codec/Decoder/%s",
343 (codec->media_type == AVMEDIA_TYPE_VIDEO) ?
345 description = g_strdup_printf("%s Decoder", codec->name);
347 gst_element_class_set_details_simple (element_class,
351 "Kitae Kim <kt920.kim@samsung.com>");
354 g_free (classification);
355 g_free (description);
357 sinkcaps = gst_maru_codecname_to_caps (codec->name, NULL, FALSE);
359 sinkcaps = gst_caps_from_string ("unknown/unknown");
362 switch (codec->media_type) {
363 case AVMEDIA_TYPE_VIDEO:
364 srccaps = gst_caps_from_string ("video/x-raw-rgb; video/x-raw-yuv");
366 case AVMEDIA_TYPE_AUDIO:
367 srccaps = gst_maru_codectype_to_audio_caps (NULL, codec->name, FALSE, codec);
370 GST_LOG("unknown media type.\n");
375 srccaps = gst_caps_from_string ("unknown/unknown");
378 sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK,
379 GST_PAD_ALWAYS, sinkcaps);
380 srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
381 GST_PAD_ALWAYS, srccaps);
383 gst_element_class_add_pad_template (element_class, srctempl);
384 gst_element_class_add_pad_template (element_class, sinktempl);
386 klass->codec = codec;
387 klass->sinktempl = sinktempl;
388 klass->srctempl = srctempl;
392 gst_marudec_class_init (GstMaruDecClass *klass)
394 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
395 GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
397 parent_class = g_type_class_peek_parent (klass);
400 gobject_class->set_property = gst_marudec_set_property
401 gobject_class->get_property = gst_marudec_get_property
404 gobject_class->finalize = gst_marudec_finalize;
405 gstelement_class->change_state = gst_marudec_change_state;
409 gst_marudec_init (GstMaruDec *marudec)
411 GstMaruDecClass *oclass;
413 oclass = (GstMaruDecClass*) (G_OBJECT_GET_CLASS(marudec));
415 marudec->sinkpad = gst_pad_new_from_template (oclass->sinktempl, "sink");
416 gst_pad_set_setcaps_function (marudec->sinkpad,
417 GST_DEBUG_FUNCPTR(gst_marudec_setcaps));
418 gst_pad_set_event_function (marudec->sinkpad,
419 GST_DEBUG_FUNCPTR(gst_marudec_sink_event));
420 gst_pad_set_chain_function (marudec->sinkpad,
421 GST_DEBUG_FUNCPTR(gst_marudec_chain));
423 marudec->srcpad = gst_pad_new_from_template (oclass->srctempl, "src") ;
424 gst_pad_use_fixed_caps (marudec->srcpad);
425 gst_pad_set_event_function (marudec->srcpad,
426 GST_DEBUG_FUNCPTR(gst_marudec_src_event));
428 gst_element_add_pad (GST_ELEMENT(marudec), marudec->sinkpad);
429 gst_element_add_pad (GST_ELEMENT(marudec), marudec->srcpad);
431 marudec->context = g_malloc0 (sizeof(CodecContext));
432 marudec->context->video.pix_fmt = PIX_FMT_NONE;
433 marudec->context->audio.sample_fmt = SAMPLE_FMT_NONE;
435 marudec->opened = FALSE;
436 marudec->format.video.par_n = -1;
437 marudec->format.video.fps_n = -1;
438 marudec->format.video.old_fps_n = -1;
440 marudec->queued = NULL;
441 gst_segment_init (&marudec->segment, GST_FORMAT_TIME);
443 marudec->dev = g_malloc0 (sizeof(CodecDevice));
445 CODEC_LOG (ERR, "failed to allocate memory.\n");
450 gst_marudec_finalize (GObject *object)
452 GstMaruDec *marudec = (GstMaruDec *) object;
454 if (marudec->context) {
455 g_free (marudec->context);
456 marudec->context = NULL;
459 G_OBJECT_CLASS (parent_class)->finalize (object);
463 gst_marudec_src_event (GstPad *pad, GstEvent *event)
468 marudec = (GstMaruDec *) gst_pad_get_parent (pad);
470 switch (GST_EVENT_TYPE (event)) {
471 /* Quality Of Service (QOS) event contains a report
472 about the current real-time performance of the stream.*/
476 GstClockTimeDiff diff;
477 GstClockTime timestamp;
479 gst_event_parse_qos (event, &proportion, &diff, ×tamp);
481 /* update our QoS values */
482 gst_marudec_update_qos (marudec, proportion, timestamp + diff);
489 /* forward upstream */
490 res = gst_pad_push_event (marudec->sinkpad, event);
492 gst_object_unref (marudec);
498 gst_marudec_sink_event (GstPad *pad, GstEvent *event)
501 gboolean ret = FALSE;
503 marudec = (GstMaruDec *) gst_pad_get_parent (pad);
505 GST_DEBUG_OBJECT (marudec, "Handling %s event",
506 GST_EVENT_TYPE_NAME (event));
508 switch (GST_EVENT_TYPE (event)) {
510 gst_marudec_drain (marudec);
512 case GST_EVENT_FLUSH_STOP:
515 if (marudec->opened) {
516 // TODO: what does avcodec_flush_buffers do?
517 maru_avcodec_flush_buffers (marudec->context, marudec->dev);
520 gst_marudec_reset_ts (marudec);
521 gst_marudec_reset_qos (marudec);
523 gst_marudec_flush_pcache (marudec);
524 marudec->waiting_for_key = TRUE;
526 gst_segment_init (&marudec->segment, GST_FORMAT_TIME);
527 clear_queued (marudec);
530 case GST_EVENT_NEWSEGMENT:
534 gint64 start, stop, time;
537 gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
538 &start, &stop, &time);
541 case GST_FORMAT_TIME:
543 case GST_FORMAT_BYTES:
546 bit_rate = marudec->context->bit_rate;
549 GST_WARNING_OBJECT (marudec, "no bitrate to convert BYTES to TIME");
550 gst_event_unref (event);
551 gst_object_unref (marudec);
555 GST_DEBUG_OBJECT (marudec, "bitrate: %d", bit_rate);
558 start = gst_util_uint64_scale_int (start, GST_SECOND, bit_rate);
561 stop = gst_util_uint64_scale_int (stop, GST_SECOND, bit_rate);
564 time = gst_util_uint64_scale_int (time, GST_SECOND, bit_rate);
567 gst_event_unref (event);
569 format = GST_FORMAT_TIME;
572 event = gst_event_new_new_segment (update, rate, format,
577 GST_WARNING_OBJECT (marudec, "unknown format received in NEWSEGMENT");
578 gst_event_unref (event);
579 gst_object_unref (marudec);
583 if (marudec->context->codec) {
584 gst_marudec_drain (marudec);
587 GST_DEBUG_OBJECT (marudec,
588 "NEWSEGMENT in time start %" GST_TIME_FORMAT " -- stop %"
589 GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (stop));
591 gst_segment_set_newsegment_full (&marudec->segment, update,
592 rate, arate, format, start, stop, time);
599 ret = gst_pad_push_event (marudec->srcpad, event);
601 gst_object_unref (marudec);
609 gst_marudec_setcaps (GstPad *pad, GstCaps *caps)
612 GstMaruDecClass *oclass;
613 GstStructure *structure;
618 GST_DEBUG_OBJECT (pad, "setcaps called.");
620 marudec = (GstMaruDec *) (gst_pad_get_parent (pad));
621 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
623 GST_OBJECT_LOCK (marudec);
625 if (marudec->opened) {
626 GST_OBJECT_UNLOCK (marudec);
627 gst_marudec_drain (marudec);
628 GST_OBJECT_LOCK (marudec);
629 gst_marudec_close (marudec);
632 GST_LOG_OBJECT (marudec, "size %dx%d", marudec->context->video.width,
633 marudec->context->video.height);
635 if (!strcmp(oclass->codec->name, "wmv3") ||
636 !strcmp(oclass->codec->name, "vc1")) {
637 gst_maru_caps_to_codecname (caps, oclass->codec->name, NULL);
640 gst_maru_caps_with_codecname (oclass->codec->name, oclass->codec->media_type,
641 caps, marudec->context);
643 GST_LOG_OBJECT (marudec, "size after %dx%d", marudec->context->video.width,
644 marudec->context->video.height);
646 if (!marudec->context->video.fps_d || !marudec->context->video.fps_n) {
647 GST_DEBUG_OBJECT (marudec, "forcing 25/1 framerate");
648 marudec->context->video.fps_n = 1;
649 marudec->context->video.fps_d = 25;
652 structure = gst_caps_get_structure (caps, 0);
654 par = gst_structure_get_value (structure, "pixel-aspect-ratio");
656 GST_DEBUG_OBJECT (marudec, "sink caps have pixel-aspect-ratio of %d:%d",
657 gst_value_get_fraction_numerator (par),
658 gst_value_get_fraction_denominator (par));
662 g_free(marudec->par);
664 marudec->par = g_new0 (GValue, 1);
665 gst_value_init_and_copy (marudec->par, par);
669 fps = gst_structure_get_value (structure, "framerate");
670 if (fps != NULL && GST_VALUE_HOLDS_FRACTION (fps)) {
671 marudec->format.video.fps_n = gst_value_get_fraction_numerator (fps);
672 marudec->format.video.fps_d = gst_value_get_fraction_denominator (fps);
673 GST_DEBUG_OBJECT (marudec, "Using framerate %d/%d from incoming",
674 marudec->format.video.fps_n, marudec->format.video.fps_d);
676 marudec->format.video.fps_n = -1;
677 GST_DEBUG_OBJECT (marudec, "Using framerate from codec");
681 if (strcmp (oclass->codec->name, "aac") == 0) {
682 const gchar *format = gst_structure_get_string (structure, "stream-format");
683 if (format == NULL || strcmp ("format", "raw") == 0) {
684 marudec->turnoff_parser = TRUE;
689 if (!gst_marudec_open (marudec)) {
690 GST_DEBUG_OBJECT (marudec, "Failed to open");
693 g_free(marudec->par);
697 GST_OBJECT_UNLOCK (marudec);
698 gst_object_unref (marudec);
703 gst_structure_get_int (structure, "width",
704 &marudec->format.video.clip_width);
705 gst_structure_get_int (structure, "height",
706 &marudec->format.video.clip_height);
708 GST_DEBUG_OBJECT (pad, "clipping to %dx%d",
709 marudec->format.video.clip_width, marudec->format.video.clip_height);
711 GST_OBJECT_UNLOCK (marudec);
712 gst_object_unref (marudec);
718 gst_marudec_open (GstMaruDec *marudec)
720 GstMaruDecClass *oclass;
722 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
728 if (gst_maru_avcodec_open (marudec->context,
729 oclass->codec, marudec->dev) < 0) {
730 gst_marudec_close (marudec);
731 GST_ERROR_OBJECT (marudec,
732 "maru_%sdec: Failed to open codec", oclass->codec->name);
736 marudec->opened = TRUE;
737 GST_LOG_OBJECT (marudec, "Opened codec %s", oclass->codec->name);
739 switch (oclass->codec->media_type) {
740 case AVMEDIA_TYPE_VIDEO:
741 marudec->format.video.width = 0;
742 marudec->format.video.height = 0;
743 marudec->format.video.clip_width = -1;
744 marudec->format.video.clip_height = -1;
745 marudec->format.video.pix_fmt = PIX_FMT_NB;
746 marudec->format.video.interlaced = FALSE;
748 case AVMEDIA_TYPE_AUDIO:
749 marudec->format.audio.samplerate = 0;
750 marudec->format.audio.channels = 0;
751 marudec->format.audio.depth = 0;
757 gst_marudec_reset_ts (marudec);
759 marudec->proportion = 0.0;
760 marudec->earliest_time = -1;
766 gst_marudec_close (GstMaruDec *marudec)
770 if (marudec->context->codecdata) {
771 g_free(marudec->context->codecdata);
772 marudec->context->codecdata = NULL;
779 ret = gst_maru_avcodec_close (marudec->context, marudec->dev);
782 g_free(marudec->dev);
791 gst_marudec_negotiate (GstMaruDec *marudec, gboolean force)
793 GstMaruDecClass *oclass;
796 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
798 switch (oclass->codec->media_type) {
799 case AVMEDIA_TYPE_VIDEO:
800 if (!force && marudec->format.video.width == marudec->context->video.width
801 && marudec->format.video.height == marudec->context->video.height
802 && marudec->format.video.fps_n == marudec->format.video.old_fps_n
803 && marudec->format.video.fps_d == marudec->format.video.old_fps_d
804 && marudec->format.video.pix_fmt == marudec->context->video.pix_fmt
805 && marudec->format.video.par_n == marudec->context->video.par_n
806 && marudec->format.video.par_d == marudec->context->video.par_d) {
809 marudec->format.video.width = marudec->context->video.width;
810 marudec->format.video.height = marudec->context->video.height;
811 marudec->format.video.old_fps_n = marudec->format.video.fps_n;
812 marudec->format.video.old_fps_d = marudec->format.video.fps_d;
813 marudec->format.video.pix_fmt = marudec->context->video.pix_fmt;
814 marudec->format.video.par_n = marudec->context->video.par_n;
815 marudec->format.video.par_d = marudec->context->video.par_d;
817 case AVMEDIA_TYPE_AUDIO:
819 gint depth = gst_maru_smpfmt_depth (marudec->context->audio.sample_fmt);
820 if (!force && marudec->format.audio.samplerate ==
821 marudec->context->audio.sample_rate &&
822 marudec->format.audio.channels == marudec->context->audio.channels &&
823 marudec->format.audio.depth == depth) {
826 marudec->format.audio.samplerate = marudec->context->audio.sample_rate;
827 marudec->format.audio.channels = marudec->context->audio.channels;
828 marudec->format.audio.depth = depth;
836 gst_maru_codectype_to_caps (oclass->codec->media_type, marudec->context,
837 oclass->codec->name, FALSE);
840 GST_ELEMENT_ERROR (marudec, CORE, NEGOTIATION,
841 ("Could not find GStreamer caps mapping for codec '%s'.",
842 oclass->codec->name), (NULL));
846 switch (oclass->codec->media_type) {
847 case AVMEDIA_TYPE_VIDEO:
852 width = marudec->format.video.clip_width;
853 height = marudec->format.video.clip_height;
854 interlaced = marudec->format.video.interlaced;
856 if (width != -1 && height != -1) {
857 if (width < marudec->context->video.width) {
858 gst_caps_set_simple (caps, "width", G_TYPE_INT, width, NULL);
860 if (height < marudec->context->video.height) {
861 gst_caps_set_simple (caps, "height", G_TYPE_INT, height, NULL);
863 gst_caps_set_simple (caps, "interlaced", G_TYPE_BOOLEAN, interlaced,
866 if (marudec->format.video.fps_n != -1) {
867 gst_caps_set_simple (caps, "framerate",
868 GST_TYPE_FRACTION, marudec->format.video.fps_n,
869 marudec->format.video.fps_d, NULL);
872 gst_marudec_add_pixel_aspect_ratio (marudec,
873 gst_caps_get_structure (caps, 0));
878 case AVMEDIA_TYPE_AUDIO:
884 if (!gst_pad_set_caps (marudec->srcpad, caps)) {
885 GST_ELEMENT_ERROR (marudec, CORE, NEGOTIATION, (NULL),
886 ("Could not set caps for decoder (%s), not fixed?",
887 oclass->codec->name));
888 gst_caps_unref (caps);
892 gst_caps_unref (caps);
898 new_aligned_buffer (gint size, GstCaps *caps)
902 buf = gst_buffer_new ();
903 GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = g_malloc0 (size);
904 GST_BUFFER_SIZE (buf) = size;
905 GST_BUFFER_FREE_FUNC (buf) = g_free;
908 gst_buffer_set_caps (buf, caps);
915 get_output_buffer (GstMaruDec *marudec, GstBuffer **outbuf)
924 if (G_UNLIKELY (!gst_marudec_negotiate (marudec, FALSE))) {
925 GST_DEBUG_OBJECT (marudec, "negotiate failed");
926 return GST_FLOW_NOT_NEGOTIATED;
929 pict_size = gst_maru_avpicture_size (marudec->context->video.pix_fmt,
930 marudec->context->video.width, marudec->context->video.height);
932 GST_DEBUG_OBJECT (marudec, "size of a picture is negative. "
933 "pixel format: %d, width: %d, height: %d",
934 marudec->context->video.pix_fmt, marudec->context->video.width,
935 marudec->context->video.height);
936 return GST_FLOW_ERROR;
939 CODEC_LOG (DEBUG, "outbuf size of decoded video: %d\n", pict_size);
941 if (pict_size < (256 * 1024)) {
942 /* GstPadBufferAllocFunction is mostly overridden by elements that can
943 * provide a hardware buffer in order to avoid additional memcpy operations.
945 gst_pad_set_bufferalloc_function(
946 GST_PAD_PEER(marudec->srcpad),
947 (GstPadBufferAllocFunction) codec_buffer_alloc);
949 CODEC_LOG (DEBUG, "request a large size of memory\n");
952 ret = gst_pad_alloc_buffer_and_set_caps (marudec->srcpad,
953 GST_BUFFER_OFFSET_NONE, pict_size,
954 GST_PAD_CAPS (marudec->srcpad), outbuf);
955 if (G_UNLIKELY (ret != GST_FLOW_OK)) {
956 GST_DEBUG_OBJECT (marudec, "pad_alloc failed %d (%s)", ret,
957 gst_flow_get_name (ret));
961 if ((uintptr_t) GST_BUFFER_DATA (*outbuf) % 16) {
962 GST_DEBUG_OBJECT (marudec,
963 "Downstream can't allocate aligned buffers.");
964 gst_buffer_unref (*outbuf);
965 *outbuf = new_aligned_buffer (pict_size, GST_PAD_CAPS (marudec->srcpad));
968 codec_picture_copy (marudec->context, GST_BUFFER_DATA (*outbuf),
969 GST_BUFFER_SIZE (*outbuf), marudec->dev);
975 clip_video_buffer (GstMaruDec *dec, GstBuffer *buf,
976 GstClockTime in_ts, GstClockTime in_dur)
984 clip_audio_buffer (GstMaruDec *dec, GstBuffer *buf,
985 GstClockTime in_ts, GstClockTime in_dur)
988 gint64 diff, cstart, cstop;
991 if (G_UNLIKELY (dec->segment.format != GST_FORMAT_TIME)) {
992 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
996 // in_ts: in_timestamp. check a start time.
997 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (in_ts))) {
998 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
1003 GST_CLOCK_TIME_IS_VALID (in_dur) ? (in_ts + in_dur) : GST_CLOCK_TIME_NONE;
1005 res = gst_segment_clip (&dec->segment, GST_FORMAT_TIME, in_ts,
1006 stop, &cstart, &cstop);
1007 if (G_UNLIKELY (!res)) {
1008 GST_LOG_OBJECT (dec, "out of segment");
1009 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
1013 if (G_UNLIKELY ((diff = cstart - in_ts) > 0)) {
1015 gst_util_uint64_scale_int (diff, dec->format.audio.samplerate, GST_SECOND) *
1016 (dec->format.audio.depth * dec->format.audio.channels);
1018 GST_DEBUG_OBJECT (dec, "clipping start to %" GST_TIME_FORMAT " %"
1019 G_GINT64_FORMAT " bytes", GST_TIME_ARGS (cstart), diff);
1021 GST_BUFFER_SIZE (buf) -= diff;
1022 GST_BUFFER_DATA (buf) += diff;
1026 if (G_UNLIKELY ((diff = stop - cstop) > 0)) {
1028 gst_util_uint64_scale_int (diff, dec->format.audio.samplerate, GST_SECOND) *
1029 (dec->format.audio.depth * dec->format.audio.channels);
1031 GST_DEBUG_OBJECT (dec, "clipping stop to %" GST_TIME_FORMAT " %"
1032 G_GINT64_FORMAT " bytes", GST_TIME_ARGS (cstop), diff);
1034 GST_BUFFER_SIZE (buf) -= diff;
1037 GST_BUFFER_TIMESTAMP (buf) = cstart;
1038 GST_BUFFER_DURATION (buf) = cstop - cstart;
1040 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
1045 gst_marudec_video_frame (GstMaruDec *marudec, guint8 *data, guint size,
1046 const GstTSInfo *dec_info, gint64 in_offset, GstBuffer **outbuf,
1049 gint len = -1, have_data;
1050 gboolean mode_switch;
1052 GstClockTime out_timestamp, out_duration, out_pts;
1054 const GstTSInfo *out_info;
1056 decode = gst_marudec_do_qos (marudec, dec_info->timestamp, &mode_switch);
1058 CODEC_LOG (DEBUG, "decode video: input buffer size: %d\n", size);
1060 codec_decode_video (marudec->context, data, size,
1061 dec_info->idx, in_offset, outbuf,
1062 &have_data, marudec->dev);
1068 GST_DEBUG_OBJECT (marudec, "after decode: len %d, have_data %d",
1072 if (len < 0 && (mode_switch || marudec->context->skip_frame)) {
1076 if (len > 0 && have_data <= 0 && (mode_switch
1077 || marudec->context->skip_frame)) {
1078 marudec->last_out = -1;
1082 if (len < 0 || have_data <= 0) {
1083 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1084 *ret, *outbuf, len);
1088 out_info = gst_ts_info_get (marudec, dec_info->idx);
1089 out_pts = out_info->timestamp;
1090 out_duration = out_info->duration;
1091 out_offset = out_info->offset;
1093 *ret = get_output_buffer (marudec, outbuf);
1094 if (G_UNLIKELY (*ret != GST_FLOW_OK)) {
1095 GST_DEBUG_OBJECT (marudec, "no output buffer");
1097 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1098 *ret, *outbuf, len);
1104 if (out_pts != -1) {
1105 out_timestamp = (GstClockTime) out_pts;
1106 GST_LOG_OBJECT (marudec, "using timestamp %" GST_TIME_FORMAT
1107 " returned by ffmpeg", GST_TIME_ARGS (out_timestamp));
1110 if (!GST_CLOCK_TIME_IS_VALID (out_timestamp) && marudec->next_out != -1) {
1111 out_timestamp = marudec->next_out;
1112 GST_LOG_OBJECT (marudec, "using next timestamp %" GST_TIME_FORMAT,
1113 GST_TIME_ARGS (out_timestamp));
1116 if (!GST_CLOCK_TIME_IS_VALID (out_timestamp)) {
1117 out_timestamp = dec_info->timestamp;
1118 GST_LOG_OBJECT (marudec, "using in timestamp %" GST_TIME_FORMAT,
1119 GST_TIME_ARGS (out_timestamp));
1121 GST_BUFFER_TIMESTAMP (*outbuf) = out_timestamp;
1124 if (out_offset != GST_BUFFER_OFFSET_NONE) {
1125 GST_LOG_OBJECT (marudec, "Using offset returned by ffmpeg");
1126 } else if (out_timestamp != GST_CLOCK_TIME_NONE) {
1127 GstFormat out_fmt = GST_FORMAT_DEFAULT;
1128 GST_LOG_OBJECT (marudec, "Using offset converted from timestamp");
1130 gst_pad_query_peer_convert (marudec->sinkpad,
1131 GST_FORMAT_TIME, out_timestamp, &out_fmt, &out_offset);
1132 } else if (dec_info->offset != GST_BUFFER_OFFSET_NONE) {
1133 GST_LOG_OBJECT (marudec, "using in_offset %" G_GINT64_FORMAT,
1135 out_offset = dec_info->offset;
1137 GST_LOG_OBJECT (marudec, "no valid offset found");
1138 out_offset = GST_BUFFER_OFFSET_NONE;
1140 GST_BUFFER_OFFSET (*outbuf) = out_offset;
1143 if (GST_CLOCK_TIME_IS_VALID (out_duration)) {
1144 GST_LOG_OBJECT (marudec, "Using duration returned by ffmpeg");
1145 } else if (GST_CLOCK_TIME_IS_VALID (dec_info->duration)) {
1146 GST_LOG_OBJECT (marudec, "Using in_duration");
1147 out_duration = dec_info->duration;
1149 } else if (GST_CLOCK_TIME_IS_VALID (marudec->last_diff)) {
1150 GST_LOG_OBJECT (marudec, "Using last-diff");
1151 out_duration = marudec->last_diff;
1154 if (marudec->format.video.fps_n != -1 &&
1155 (marudec->format.video.fps_n != 1000 &&
1156 marudec->format.video.fps_d != 1)) {
1157 GST_LOG_OBJECT (marudec, "using input framerate for duration");
1158 out_duration = gst_util_uint64_scale_int (GST_SECOND,
1159 marudec->format.video.fps_d, marudec->format.video.fps_n);
1161 if (marudec->context->video.fps_n != 0 &&
1162 (marudec->context->video.fps_d > 0 &&
1163 marudec->context->video.fps_d < 1000)) {
1164 GST_LOG_OBJECT (marudec, "using decoder's framerate for duration");
1165 out_duration = gst_util_uint64_scale_int (GST_SECOND,
1166 marudec->context->video.fps_n * 1,
1167 marudec->context->video.fps_d);
1169 GST_LOG_OBJECT (marudec, "no valid duration found");
1175 if (GST_CLOCK_TIME_IS_VALID (out_duration)) {
1176 out_duration += out_duration * marudec->picture->repeat_pict / 2;
1178 GST_BUFFER_DURATION (*outbuf) = out_duration;
1180 if (out_timestamp != -1 && out_duration != -1 && out_duration != 0) {
1181 marudec->next_out = out_timestamp + out_duration;
1183 marudec->next_out = -1;
1187 if (G_UNLIKELY (!clip_video_buffer (marudec, *outbuf, out_timestamp,
1189 GST_DEBUG_OBJECT (marudec, "buffer clipped");
1190 gst_buffer_unref (*outbuf);
1192 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1193 *ret, *outbuf, len);
1197 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1198 *ret, *outbuf, len);
1203 gst_marudec_audio_frame (GstMaruDec *marudec, CodecElement *codec,
1204 guint8 *data, guint size,
1205 const GstTSInfo *dec_info, GstBuffer **outbuf,
1209 gint have_data = FF_MAX_AUDIO_FRAME_SIZE;
1210 GstClockTime out_timestamp, out_duration;
1214 new_aligned_buffer (FF_MAX_AUDIO_FRAME_SIZE,
1215 GST_PAD_CAPS (marudec->srcpad));
1217 CODEC_LOG (DEBUG, "decode audio, input buffer size: %d\n", size);
1219 len = codec_decode_audio (marudec->context,
1220 (int16_t *) GST_BUFFER_DATA (*outbuf), &have_data,
1221 data, size, marudec->dev);
1223 GST_DEBUG_OBJECT (marudec,
1224 "Decode audio: len=%d, have_data=%d", len, have_data);
1226 if (len >= 0 && have_data > 0) {
1227 GST_DEBUG_OBJECT (marudec, "Creating output buffer");
1228 if (!gst_marudec_negotiate (marudec, FALSE)) {
1229 gst_buffer_unref (*outbuf);
1232 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1233 *ret, *outbuf, len);
1237 GST_BUFFER_SIZE (*outbuf) = have_data;
1239 if (GST_CLOCK_TIME_IS_VALID (dec_info->timestamp)) {
1240 out_timestamp = dec_info->timestamp;
1242 out_timestamp = marudec->next_out;
1245 /* calculate based on number of samples */
1246 out_duration = gst_util_uint64_scale (have_data, GST_SECOND,
1247 marudec->format.audio.depth * marudec->format.audio.channels *
1248 marudec->format.audio.samplerate);
1250 out_offset = dec_info->offset;
1252 GST_DEBUG_OBJECT (marudec,
1253 "Buffer created. Size: %d, timestamp: %" GST_TIME_FORMAT
1254 ", duration: %" GST_TIME_FORMAT, have_data,
1255 GST_TIME_ARGS (out_timestamp), GST_TIME_ARGS (out_duration));
1257 GST_BUFFER_TIMESTAMP (*outbuf) = out_timestamp;
1258 GST_BUFFER_DURATION (*outbuf) = out_duration;
1259 GST_BUFFER_OFFSET (*outbuf) = out_offset;
1260 gst_buffer_set_caps (*outbuf, GST_PAD_CAPS (marudec->srcpad));
1262 if (GST_CLOCK_TIME_IS_VALID (out_timestamp)) {
1263 marudec->next_out = out_timestamp + out_duration;
1266 if (G_UNLIKELY (!clip_audio_buffer (marudec, *outbuf,
1267 out_timestamp, out_duration))) {
1268 GST_DEBUG_OBJECT (marudec, "buffer_clipped");
1269 gst_buffer_unref (*outbuf);
1271 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d", *ret, *outbuf, len);
1275 gst_buffer_unref (*outbuf);
1279 if (len == -1 && !strcmp(codec->name, "aac")) {
1280 GST_ELEMENT_ERROR (marudec, STREAM, DECODE, (NULL),
1281 ("Decoding of AAC stream by FFMPEG failed."));
1282 *ret = GST_FLOW_ERROR;
1285 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1286 *ret, *outbuf, len);
1291 gst_marudec_frame (GstMaruDec *marudec, guint8 *data, guint size,
1292 gint *got_data, const GstTSInfo *dec_info, gint64 in_offset, GstFlowReturn *ret)
1294 GstMaruDecClass *oclass;
1295 GstBuffer *outbuf = NULL;
1296 gint have_data = 0, len = 0;
1298 if (G_UNLIKELY (marudec->context->codec == NULL)) {
1299 GST_ERROR_OBJECT (marudec, "no codec context");
1304 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
1306 switch (oclass->codec->media_type) {
1307 case AVMEDIA_TYPE_VIDEO:
1308 len = gst_marudec_video_frame (marudec, data, size,
1309 dec_info, in_offset, &outbuf, ret);
1311 case AVMEDIA_TYPE_AUDIO:
1312 len = gst_marudec_audio_frame (marudec, oclass->codec, data, size,
1313 dec_info, &outbuf, ret);
1314 if (outbuf == NULL && marudec->discont) {
1315 GST_DEBUG_OBJECT (marudec, "no buffer but keeping timestamp");
1316 // marudec->clear_ts = FALSE;
1320 GST_ERROR_OBJECT (marudec, "Asked to decode non-audio/video frame!");
1321 g_assert_not_reached ();
1329 if (len < 0 || have_data < 0) {
1330 GST_WARNING_OBJECT (marudec,
1331 "maru_%sdec: decoding error (len: %d, have_data: %d)",
1332 oclass->codec->name, len, have_data);
1335 } else if (len == 0 && have_data == 0) {
1343 GST_LOG_OBJECT (marudec,
1344 "Decoded data, now pushing buffer %p with offset %" G_GINT64_FORMAT
1345 ", timestamp %" GST_TIME_FORMAT " and duration %" GST_TIME_FORMAT,
1346 outbuf, GST_BUFFER_OFFSET (outbuf),
1347 GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
1348 GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
1350 if (marudec->discont) {
1351 /* GST_BUFFER_FLAG_DISCONT :
1352 * the buffer marks a data discontinuity in the stream. This typically
1353 * occurs after a seek or a dropped buffer from a live or network source.
1355 GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
1356 marudec->discont = FALSE;
1359 if (marudec->segment.rate > 0.0) {
1361 *ret = gst_pad_push (marudec->srcpad, outbuf);
1364 GST_DEBUG_OBJECT (marudec, "queued frame");
1365 marudec->queued = g_list_prepend (marudec->queued, outbuf);
1369 GST_DEBUG_OBJECT (marudec, "Didn't get a decoded buffer");
1375 static GstFlowReturn
1376 gst_marudec_chain (GstPad *pad, GstBuffer *buffer)
1378 GstMaruDec *marudec;
1379 GstMaruDecClass *oclass;
1381 gint in_size, len, have_data;
1382 GstFlowReturn ret = GST_FLOW_OK;
1383 GstClockTime in_timestamp;
1384 GstClockTime in_duration;
1387 const GstTSInfo *in_info;
1388 const GstTSInfo *dec_info;
1390 marudec = (GstMaruDec *) (GST_PAD_PARENT (pad));
1392 if (G_UNLIKELY (!marudec->opened)) {
1394 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
1395 GST_ELEMENT_ERROR (marudec, CORE, NEGOTIATION, (NULL),
1396 ("maru_%sdec: input format was not set before data start",
1397 oclass->codec->name));
1398 gst_buffer_unref (buffer);
1399 return GST_FLOW_NOT_NEGOTIATED;
1402 discont = GST_BUFFER_IS_DISCONT (buffer);
1405 if (G_UNLIKELY (discont)) {
1406 GST_DEBUG_OBJECT (marudec, "received DISCONT");
1407 gst_marudec_drain (marudec);
1408 // gst_marudec_flush_pcache (marudec);
1409 // maru_avcodec_flush buffers (marudec->context, marudec->dev);
1410 marudec->discont = TRUE;
1411 gst_marudec_reset_ts (marudec);
1413 // marudec->clear_ts = TRUE;
1415 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
1417 if (G_UNLIKELY (marudec->waiting_for_key)) {
1418 if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT) &&
1419 oclass->codec->media_type != AVMEDIA_TYPE_AUDIO) {
1422 marudec->waiting_for_key = FALSE;
1425 if (marudec->pcache) {
1426 GST_LOG_OBJECT (marudec, "join parse cache");
1427 buffer = gst_buffer_join (marudec->pcache, buffer);
1428 marudec->pcache = NULL;
1432 in_timestamp = GST_BUFFER_TIMESTAMP (buffer);
1433 in_duration = GST_BUFFER_DURATION (buffer);
1434 in_offset = GST_BUFFER_OFFSET (buffer);
1436 in_info = gst_ts_info_store (marudec, in_timestamp, in_duration, in_offset);
1439 if (in_timestamp != -1) {
1440 if (!marudec->reordered_in && marudec->last_in != -1) {
1441 if (in_timestamp < marudec->last_in) {
1442 GST_LOG_OBJECT (marudec, "detected reordered input timestamps");
1443 marudec->reordered_in = TRUE;
1444 marudec->last_diff = GST_CLOCK_TIME_NONE;
1445 } else if (in_timestamp > marudec->last_in) {
1447 diff = in_timestamp - marudec->last_in;
1448 if (marudec->last_frames) {
1449 diff /= marudec->last_frames;
1452 GST_LOG_OBJECT (marudec, "estimated duration %" GST_TIME_FORMAT " %u",
1453 GST_TIME_ARGS (diff), marudec->last_frames);
1455 marudec->last_diff = diff;
1458 marudec->last_in = in_timestamp;
1459 marudec->last_frames;
1463 GST_LOG_OBJECT (marudec,
1464 "Received new data of size %u, offset: %" G_GUINT64_FORMAT ", ts:%"
1465 GST_TIME_FORMAT ", dur: %" GST_TIME_FORMAT ", info %d",
1466 GST_BUFFER_SIZE (buffer), GST_BUFFER_OFFSET (buffer),
1467 GST_TIME_ARGS (in_timestamp), GST_TIME_ARGS (in_duration), in_info->idx);
1469 in_buf = GST_BUFFER_DATA (buffer);
1470 in_size = GST_BUFFER_SIZE (buffer);
1475 gst_marudec_frame (marudec, in_buf, in_size, &have_data, dec_info, in_offset, &ret);
1478 if (marudec->clear_ts) {
1479 in_timestamp = GST_CLOCK_TIME_NONE;
1480 in_duration = GST_CLOCK_TIME_NONE;
1481 in_offset = GST_BUFFER_OFFSET_NONE;
1482 in_info = GST_TS_INFO_NONE;
1484 marudec->clear_ts = TRUE;
1488 gst_buffer_unref (buffer);
1493 static GstStateChangeReturn
1494 gst_marudec_change_state (GstElement *element, GstStateChange transition)
1496 GstMaruDec *marudec = (GstMaruDec *) element;
1497 GstStateChangeReturn ret;
1499 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
1501 switch (transition) {
1502 case GST_STATE_CHANGE_PAUSED_TO_READY:
1503 GST_OBJECT_LOCK (marudec);
1504 gst_marudec_close (marudec);
1505 GST_OBJECT_UNLOCK (marudec);
1508 clear_queued (marudec);
1518 gst_marudec_register (GstPlugin *plugin, GList *element)
1520 GTypeInfo typeinfo = {
1521 sizeof (GstMaruDecClass),
1522 (GBaseInitFunc) gst_marudec_base_init,
1524 (GClassInitFunc) gst_marudec_class_init,
1527 sizeof (GstMaruDec),
1529 (GInstanceInitFunc) gst_marudec_init,
1534 gint rank = GST_RANK_NONE;
1535 GList *elem = element;
1536 CodecElement *codec = NULL;
1542 /* register element */
1544 codec = (CodecElement *)(elem->data);
1549 if (codec->codec_type != CODEC_TYPE_DECODE) {
1553 type_name = g_strdup_printf ("maru_%sdec", codec->name);
1554 type = g_type_from_name (type_name);
1556 type = g_type_register_static (GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
1557 g_type_set_qdata (type, GST_MARUDEC_PARAMS_QDATA, (gpointer) codec);
1560 if (!gst_element_register (plugin, type_name, rank, type)) {
1565 } while ((elem = elem->next));