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.
31 // #include "gstmaru.h"
32 #include "gstmarudevice.h"
33 #include "gstmaruutils.h"
34 #include "gstmaruinterface.h"
35 // #include "gstmarudevice.h"
37 #define GST_MARUDEC_PARAMS_QDATA g_quark_from_static_string("marudec-params")
39 /* indicate dts, pts, offset in the stream */
43 GstClockTime timestamp;
44 GstClockTime duration;
48 #define GST_TS_INFO_NONE &ts_info_none
49 static const GstTSInfo ts_info_none = { -1, -1, -1, -1 };
51 #define MAX_TS_MASK 0xff
53 typedef struct _GstMaruDec
60 CodecContext *context;
66 gint clip_width, clip_height;
69 gint old_fps_n, old_fps_d;
72 enum PixelFormat pix_fmt;
85 /* tracking DTS/PTS */
86 GstClockTime next_out;
90 GstClockTime earliest_time;
95 /* GstSegment can be used for two purposes:
96 * 1. performing seeks (handling seek events)
97 * 2. tracking playback regions (handling newsegment events)
101 GstTSInfo ts_info[MAX_TS_MASK + 1];
104 /* reverse playback queue */
109 typedef struct _GstMaruDecClass
111 GstElementClass parent_class;
114 GstPadTemplate *sinktempl;
115 GstPadTemplate *srctempl;
119 static GstElementClass *parent_class = NULL;
121 static void gst_marudec_base_init (GstMaruDecClass *klass);
122 static void gst_marudec_class_init (GstMaruDecClass *klass);
123 static void gst_marudec_init (GstMaruDec *marudec);
124 static void gst_marudec_finalize (GObject *object);
126 static gboolean gst_marudec_setcaps (GstPad *pad, GstCaps *caps);
129 static gboolean gst_marudec_sink_event (GstPad *pad, GstEvent *event);
130 static GstFlowReturn gst_marudec_chain (GstPad *pad, GstBuffer *buffer);
133 static gboolean gst_marudec_src_event (GstPad *pad, GstEvent *event);
134 static GstStateChangeReturn gst_marudec_change_state (GstElement *element,
135 GstStateChange transition);
137 static gboolean gst_marudec_negotiate (GstMaruDec *dec, gboolean force);
139 static gint gst_marudec_frame (GstMaruDec *marudec, guint8 *data,
140 guint size, gint *got_data,
141 const GstTSInfo *dec_info, gint64 in_offset, GstFlowReturn *ret);
143 static gboolean gst_marudec_open (GstMaruDec *marudec);
144 static int gst_marudec_close (GstMaruDec *marudec);
147 static const GstTSInfo *
148 gst_ts_info_store (GstMaruDec *dec, GstClockTime timestamp,
149 GstClockTime duration, gint64 offset)
151 gint idx = dec->ts_idx;
152 dec->ts_info[idx].idx = idx;
153 dec->ts_info[idx].timestamp = timestamp;
154 dec->ts_info[idx].duration = duration;
155 dec->ts_info[idx].offset = offset;
156 dec->ts_idx = (idx + 1) & MAX_TS_MASK;
158 return &dec->ts_info[idx];
161 static const GstTSInfo *
162 gst_ts_info_get (GstMaruDec *dec, gint idx)
164 if (G_UNLIKELY (idx < 0 || idx > MAX_TS_MASK))
165 return GST_TS_INFO_NONE;
167 return &dec->ts_info[idx];
171 gst_marudec_reset_ts (GstMaruDec *marudec)
173 marudec->next_out = GST_CLOCK_TIME_NONE;
177 gst_marudec_update_qos (GstMaruDec *marudec, gdouble proportion,
178 GstClockTime timestamp)
180 GST_LOG_OBJECT (marudec, "update QOS: %f, %" GST_TIME_FORMAT,
181 proportion, GST_TIME_ARGS (timestamp));
183 GST_OBJECT_LOCK (marudec);
184 marudec->proportion = proportion;
185 marudec->earliest_time = timestamp;
186 GST_OBJECT_UNLOCK (marudec);
190 gst_marudec_reset_qos (GstMaruDec *marudec)
192 gst_marudec_update_qos (marudec, 0.5, GST_CLOCK_TIME_NONE);
193 marudec->processed = 0;
194 marudec->dropped = 0;
198 gst_marudec_do_qos (GstMaruDec *marudec, GstClockTime timestamp,
199 gboolean *mode_switch)
201 GstClockTimeDiff diff;
203 GstClockTime qostime, earliest_time;
206 *mode_switch = FALSE;
208 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (timestamp))) {
209 marudec->processed++;
213 proportion = marudec->proportion;
214 earliest_time = marudec->earliest_time;
216 qostime = gst_segment_to_running_time (&marudec->segment, GST_FORMAT_TIME,
219 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (qostime))) {
220 marudec->processed++;
224 diff = GST_CLOCK_DIFF (qostime, earliest_time);
226 if (proportion < 0.4 && diff < 0 ){
227 marudec->processed++;
231 // if (marudec->waiting_for_key) {
237 GstClockTime stream_time, jitter;
242 gst_segment_to_stream_time (&marudec->segment, GST_FORMAT_TIME,
244 jitter = GST_CLOCK_DIFF (qostime, earliest_time);
246 gst_message_new_qos (GST_OBJECT_CAST (marudec), FALSE, qostime,
247 stream_time, timestamp, GST_CLOCK_TIME_NONE);
248 gst_message_set_qos_values (qos_msg, jitter, proportion, 1000000);
249 gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS,
250 marudec->processed, marudec->dropped);
251 gst_element_post_message (GST_ELEMENT_CAST (marudec), qos_msg);
257 marudec->processed++;
262 clear_queued (GstMaruDec *marudec)
264 g_list_foreach (marudec->queued, (GFunc) gst_mini_object_unref, NULL);
265 g_list_free (marudec->queued);
266 marudec->queued = NULL;
270 flush_queued (GstMaruDec *marudec)
272 GstFlowReturn res = GST_FLOW_OK;
274 CODEC_LOG (DEBUG, "flush queued\n");
276 while (marudec->queued) {
277 GstBuffer *buf = GST_BUFFER_CAST (marudec->queued->data);
279 GST_LOG_OBJECT (marudec, "pushing buffer %p, offset %"
280 G_GUINT64_FORMAT ", timestamp %"
281 GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT, buf,
282 GST_BUFFER_OFFSET (buf),
283 GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
284 GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
286 res = gst_pad_push (marudec->srcpad, buf);
289 g_list_delete_link (marudec->queued, marudec->queued);
296 gst_marudec_drain (GstMaruDec *marudec)
298 GstMaruDecClass *oclass;
300 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
305 gint have_data, len, try = 0;
311 gst_marudec_frame (marudec, NULL, 0, &have_data, &ts_info_none, 0, &ret);
313 if (len < 0 || have_data == 0) {
316 } while (try++ < 10);
320 if (marudec->segment.rate < 0.0) {
321 CODEC_LOG (DEBUG, "reverse playback\n");
322 flush_queued (marudec);
330 gst_marudec_base_init (GstMaruDecClass *klass)
332 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
333 GstCaps *sinkcaps = NULL, *srccaps = NULL;
334 GstPadTemplate *sinktempl, *srctempl;
336 gchar *longname, *classification, *description;
339 (CodecElement *)g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
340 GST_MARUDEC_PARAMS_QDATA);
342 longname = g_strdup_printf ("%s Decoder", codec->longname);
343 classification = g_strdup_printf ("Codec/Decoder/%s",
344 (codec->media_type == AVMEDIA_TYPE_VIDEO) ?
346 description = g_strdup_printf("%s Decoder", codec->name);
348 gst_element_class_set_details_simple (element_class,
352 "Kitae Kim <kt920.kim@samsung.com>");
355 g_free (classification);
356 g_free (description);
358 sinkcaps = gst_maru_codecname_to_caps (codec->name, NULL, FALSE);
360 sinkcaps = gst_caps_from_string ("unknown/unknown");
363 switch (codec->media_type) {
364 case AVMEDIA_TYPE_VIDEO:
365 srccaps = gst_caps_from_string ("video/x-raw-rgb; video/x-raw-yuv");
367 case AVMEDIA_TYPE_AUDIO:
368 srccaps = gst_maru_codectype_to_audio_caps (NULL, codec->name, FALSE, codec);
371 GST_LOG("unknown media type.\n");
376 srccaps = gst_caps_from_string ("unknown/unknown");
379 sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK,
380 GST_PAD_ALWAYS, sinkcaps);
381 srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
382 GST_PAD_ALWAYS, srccaps);
384 gst_element_class_add_pad_template (element_class, srctempl);
385 gst_element_class_add_pad_template (element_class, sinktempl);
387 klass->codec = codec;
388 klass->sinktempl = sinktempl;
389 klass->srctempl = srctempl;
393 gst_marudec_class_init (GstMaruDecClass *klass)
395 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
396 GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
398 parent_class = g_type_class_peek_parent (klass);
401 gobject_class->set_property = gst_marudec_set_property
402 gobject_class->get_property = gst_marudec_get_property
405 gobject_class->finalize = gst_marudec_finalize;
406 gstelement_class->change_state = gst_marudec_change_state;
410 gst_marudec_init (GstMaruDec *marudec)
412 GstMaruDecClass *oclass;
414 oclass = (GstMaruDecClass*) (G_OBJECT_GET_CLASS(marudec));
416 marudec->sinkpad = gst_pad_new_from_template (oclass->sinktempl, "sink");
417 gst_pad_set_setcaps_function (marudec->sinkpad,
418 GST_DEBUG_FUNCPTR(gst_marudec_setcaps));
419 gst_pad_set_event_function (marudec->sinkpad,
420 GST_DEBUG_FUNCPTR(gst_marudec_sink_event));
421 gst_pad_set_chain_function (marudec->sinkpad,
422 GST_DEBUG_FUNCPTR(gst_marudec_chain));
424 marudec->srcpad = gst_pad_new_from_template (oclass->srctempl, "src") ;
425 gst_pad_use_fixed_caps (marudec->srcpad);
426 gst_pad_set_event_function (marudec->srcpad,
427 GST_DEBUG_FUNCPTR(gst_marudec_src_event));
429 gst_element_add_pad (GST_ELEMENT(marudec), marudec->sinkpad);
430 gst_element_add_pad (GST_ELEMENT(marudec), marudec->srcpad);
432 marudec->context = g_malloc0 (sizeof(CodecContext));
433 marudec->context->video.pix_fmt = PIX_FMT_NONE;
434 marudec->context->audio.sample_fmt = SAMPLE_FMT_NONE;
436 marudec->opened = FALSE;
437 marudec->format.video.par_n = -1;
438 marudec->format.video.fps_n = -1;
439 marudec->format.video.old_fps_n = -1;
441 marudec->queued = NULL;
442 gst_segment_init (&marudec->segment, GST_FORMAT_TIME);
444 marudec->dev = g_malloc0 (sizeof(CodecDevice));
446 CODEC_LOG (ERR, "failed to allocate memory.\n");
451 gst_marudec_finalize (GObject *object)
453 GstMaruDec *marudec = (GstMaruDec *) object;
455 if (marudec->context) {
456 g_free (marudec->context);
457 marudec->context = NULL;
460 G_OBJECT_CLASS (parent_class)->finalize (object);
464 gst_marudec_src_event (GstPad *pad, GstEvent *event)
469 marudec = (GstMaruDec *) gst_pad_get_parent (pad);
471 switch (GST_EVENT_TYPE (event)) {
472 /* Quality Of Service (QOS) event contains a report
473 about the current real-time performance of the stream.*/
477 GstClockTimeDiff diff;
478 GstClockTime timestamp;
480 gst_event_parse_qos (event, &proportion, &diff, ×tamp);
482 /* update our QoS values */
483 gst_marudec_update_qos (marudec, proportion, timestamp + diff);
490 /* forward upstream */
491 res = gst_pad_push_event (marudec->sinkpad, event);
493 gst_object_unref (marudec);
499 gst_marudec_sink_event (GstPad *pad, GstEvent *event)
502 gboolean ret = FALSE;
504 marudec = (GstMaruDec *) gst_pad_get_parent (pad);
506 GST_DEBUG_OBJECT (marudec, "Handling %s event",
507 GST_EVENT_TYPE_NAME (event));
509 switch (GST_EVENT_TYPE (event)) {
511 gst_marudec_drain (marudec);
513 case GST_EVENT_FLUSH_STOP:
516 if (marudec->opened) {
517 // TODO: what does avcodec_flush_buffers do?
518 maru_avcodec_flush_buffers (marudec->context, marudec->dev);
521 gst_marudec_reset_ts (marudec);
522 gst_marudec_reset_qos (marudec);
524 gst_marudec_flush_pcache (marudec);
525 marudec->waiting_for_key = TRUE;
527 gst_segment_init (&marudec->segment, GST_FORMAT_TIME);
528 clear_queued (marudec);
531 case GST_EVENT_NEWSEGMENT:
535 gint64 start, stop, time;
538 gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
539 &start, &stop, &time);
542 case GST_FORMAT_TIME:
544 case GST_FORMAT_BYTES:
547 bit_rate = marudec->context->bit_rate;
550 GST_WARNING_OBJECT (marudec, "no bitrate to convert BYTES to TIME");
551 gst_event_unref (event);
552 gst_object_unref (marudec);
556 GST_DEBUG_OBJECT (marudec, "bitrate: %d", bit_rate);
559 start = gst_util_uint64_scale_int (start, GST_SECOND, bit_rate);
562 stop = gst_util_uint64_scale_int (stop, GST_SECOND, bit_rate);
565 time = gst_util_uint64_scale_int (time, GST_SECOND, bit_rate);
568 gst_event_unref (event);
570 format = GST_FORMAT_TIME;
573 event = gst_event_new_new_segment (update, rate, format,
578 GST_WARNING_OBJECT (marudec, "unknown format received in NEWSEGMENT");
579 gst_event_unref (event);
580 gst_object_unref (marudec);
584 if (marudec->context->codec) {
585 gst_marudec_drain (marudec);
588 GST_DEBUG_OBJECT (marudec,
589 "NEWSEGMENT in time start %" GST_TIME_FORMAT " -- stop %"
590 GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (stop));
592 gst_segment_set_newsegment_full (&marudec->segment, update,
593 rate, arate, format, start, stop, time);
600 ret = gst_pad_push_event (marudec->srcpad, event);
602 gst_object_unref (marudec);
610 gst_marudec_setcaps (GstPad *pad, GstCaps *caps)
613 GstMaruDecClass *oclass;
614 GstStructure *structure;
619 GST_DEBUG_OBJECT (pad, "setcaps called.");
621 marudec = (GstMaruDec *) (gst_pad_get_parent (pad));
622 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
624 GST_OBJECT_LOCK (marudec);
626 if (marudec->opened) {
627 GST_OBJECT_UNLOCK (marudec);
628 gst_marudec_drain (marudec);
629 GST_OBJECT_LOCK (marudec);
630 gst_marudec_close (marudec);
633 GST_LOG_OBJECT (marudec, "size %dx%d", marudec->context->video.width,
634 marudec->context->video.height);
636 if (!strcmp(oclass->codec->name, "wmv3") ||
637 !strcmp(oclass->codec->name, "vc1")) {
638 gst_maru_caps_to_codecname (caps, oclass->codec->name, NULL);
641 gst_maru_caps_with_codecname (oclass->codec->name, oclass->codec->media_type,
642 caps, marudec->context);
644 GST_LOG_OBJECT (marudec, "size after %dx%d", marudec->context->video.width,
645 marudec->context->video.height);
647 if (!marudec->context->video.fps_d || !marudec->context->video.fps_n) {
648 GST_DEBUG_OBJECT (marudec, "forcing 25/1 framerate");
649 marudec->context->video.fps_n = 1;
650 marudec->context->video.fps_d = 25;
653 structure = gst_caps_get_structure (caps, 0);
655 par = gst_structure_get_value (structure, "pixel-aspect-ratio");
657 GST_DEBUG_OBJECT (marudec, "sink caps have pixel-aspect-ratio of %d:%d",
658 gst_value_get_fraction_numerator (par),
659 gst_value_get_fraction_denominator (par));
663 g_free(marudec->par);
665 marudec->par = g_new0 (GValue, 1);
666 gst_value_init_and_copy (marudec->par, par);
670 fps = gst_structure_get_value (structure, "framerate");
671 if (fps != NULL && GST_VALUE_HOLDS_FRACTION (fps)) {
672 marudec->format.video.fps_n = gst_value_get_fraction_numerator (fps);
673 marudec->format.video.fps_d = gst_value_get_fraction_denominator (fps);
674 GST_DEBUG_OBJECT (marudec, "Using framerate %d/%d from incoming",
675 marudec->format.video.fps_n, marudec->format.video.fps_d);
677 marudec->format.video.fps_n = -1;
678 GST_DEBUG_OBJECT (marudec, "Using framerate from codec");
682 if (strcmp (oclass->codec->name, "aac") == 0) {
683 const gchar *format = gst_structure_get_string (structure, "stream-format");
684 if (format == NULL || strcmp ("format", "raw") == 0) {
685 marudec->turnoff_parser = TRUE;
690 if (!gst_marudec_open (marudec)) {
691 GST_DEBUG_OBJECT (marudec, "Failed to open");
694 g_free(marudec->par);
698 GST_OBJECT_UNLOCK (marudec);
699 gst_object_unref (marudec);
704 gst_structure_get_int (structure, "width",
705 &marudec->format.video.clip_width);
706 gst_structure_get_int (structure, "height",
707 &marudec->format.video.clip_height);
709 GST_DEBUG_OBJECT (pad, "clipping to %dx%d",
710 marudec->format.video.clip_width, marudec->format.video.clip_height);
712 GST_OBJECT_UNLOCK (marudec);
713 gst_object_unref (marudec);
719 gst_marudec_open (GstMaruDec *marudec)
721 GstMaruDecClass *oclass;
723 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
729 if (gst_maru_avcodec_open (marudec->context,
730 oclass->codec, marudec->dev) < 0) {
731 gst_marudec_close (marudec);
732 GST_ERROR_OBJECT (marudec,
733 "maru_%sdec: Failed to open codec", oclass->codec->name);
737 marudec->opened = TRUE;
738 GST_LOG_OBJECT (marudec, "Opened codec %s", oclass->codec->name);
740 switch (oclass->codec->media_type) {
741 case AVMEDIA_TYPE_VIDEO:
742 marudec->format.video.width = 0;
743 marudec->format.video.height = 0;
744 marudec->format.video.clip_width = -1;
745 marudec->format.video.clip_height = -1;
746 marudec->format.video.pix_fmt = PIX_FMT_NB;
747 marudec->format.video.interlaced = FALSE;
749 case AVMEDIA_TYPE_AUDIO:
750 marudec->format.audio.samplerate = 0;
751 marudec->format.audio.channels = 0;
752 marudec->format.audio.depth = 0;
758 gst_marudec_reset_ts (marudec);
760 marudec->proportion = 0.0;
761 marudec->earliest_time = -1;
767 gst_marudec_close (GstMaruDec *marudec)
771 if (marudec->context->codecdata) {
772 g_free(marudec->context->codecdata);
773 marudec->context->codecdata = NULL;
780 ret = gst_maru_avcodec_close (marudec->context, marudec->dev);
783 g_free(marudec->dev);
792 gst_marudec_negotiate (GstMaruDec *marudec, gboolean force)
794 GstMaruDecClass *oclass;
797 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
799 switch (oclass->codec->media_type) {
800 case AVMEDIA_TYPE_VIDEO:
801 if (!force && marudec->format.video.width == marudec->context->video.width
802 && marudec->format.video.height == marudec->context->video.height
803 && marudec->format.video.fps_n == marudec->format.video.old_fps_n
804 && marudec->format.video.fps_d == marudec->format.video.old_fps_d
805 && marudec->format.video.pix_fmt == marudec->context->video.pix_fmt
806 && marudec->format.video.par_n == marudec->context->video.par_n
807 && marudec->format.video.par_d == marudec->context->video.par_d) {
810 marudec->format.video.width = marudec->context->video.width;
811 marudec->format.video.height = marudec->context->video.height;
812 marudec->format.video.old_fps_n = marudec->format.video.fps_n;
813 marudec->format.video.old_fps_d = marudec->format.video.fps_d;
814 marudec->format.video.pix_fmt = marudec->context->video.pix_fmt;
815 marudec->format.video.par_n = marudec->context->video.par_n;
816 marudec->format.video.par_d = marudec->context->video.par_d;
818 case AVMEDIA_TYPE_AUDIO:
820 gint depth = gst_maru_smpfmt_depth (marudec->context->audio.sample_fmt);
821 if (!force && marudec->format.audio.samplerate ==
822 marudec->context->audio.sample_rate &&
823 marudec->format.audio.channels == marudec->context->audio.channels &&
824 marudec->format.audio.depth == depth) {
827 marudec->format.audio.samplerate = marudec->context->audio.sample_rate;
828 marudec->format.audio.channels = marudec->context->audio.channels;
829 marudec->format.audio.depth = depth;
837 gst_maru_codectype_to_caps (oclass->codec->media_type, marudec->context,
838 oclass->codec->name, FALSE);
841 GST_ELEMENT_ERROR (marudec, CORE, NEGOTIATION,
842 ("Could not find GStreamer caps mapping for codec '%s'.",
843 oclass->codec->name), (NULL));
847 switch (oclass->codec->media_type) {
848 case AVMEDIA_TYPE_VIDEO:
853 width = marudec->format.video.clip_width;
854 height = marudec->format.video.clip_height;
855 interlaced = marudec->format.video.interlaced;
857 if (width != -1 && height != -1) {
858 if (width < marudec->context->video.width) {
859 gst_caps_set_simple (caps, "width", G_TYPE_INT, width, NULL);
861 if (height < marudec->context->video.height) {
862 gst_caps_set_simple (caps, "height", G_TYPE_INT, height, NULL);
864 gst_caps_set_simple (caps, "interlaced", G_TYPE_BOOLEAN, interlaced,
867 if (marudec->format.video.fps_n != -1) {
868 gst_caps_set_simple (caps, "framerate",
869 GST_TYPE_FRACTION, marudec->format.video.fps_n,
870 marudec->format.video.fps_d, NULL);
873 gst_marudec_add_pixel_aspect_ratio (marudec,
874 gst_caps_get_structure (caps, 0));
879 case AVMEDIA_TYPE_AUDIO:
885 if (!gst_pad_set_caps (marudec->srcpad, caps)) {
886 GST_ELEMENT_ERROR (marudec, CORE, NEGOTIATION, (NULL),
887 ("Could not set caps for decoder (%s), not fixed?",
888 oclass->codec->name));
889 gst_caps_unref (caps);
893 gst_caps_unref (caps);
899 new_aligned_buffer (gint size, GstCaps *caps)
903 buf = gst_buffer_new ();
904 GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = g_malloc0 (size);
905 GST_BUFFER_SIZE (buf) = size;
906 GST_BUFFER_FREE_FUNC (buf) = g_free;
909 gst_buffer_set_caps (buf, caps);
916 get_output_buffer (GstMaruDec *marudec, GstBuffer **outbuf)
925 if (G_UNLIKELY (!gst_marudec_negotiate (marudec, FALSE))) {
926 GST_DEBUG_OBJECT (marudec, "negotiate failed");
927 return GST_FLOW_NOT_NEGOTIATED;
930 pict_size = gst_maru_avpicture_size (marudec->context->video.pix_fmt,
931 marudec->context->video.width, marudec->context->video.height);
933 GST_DEBUG_OBJECT (marudec, "size of a picture is negative. "
934 "pixel format: %d, width: %d, height: %d",
935 marudec->context->video.pix_fmt, marudec->context->video.width,
936 marudec->context->video.height);
937 return GST_FLOW_ERROR;
940 CODEC_LOG (DEBUG, "outbuf size of decoded video: %d\n", pict_size);
942 if (pict_size < (256 * 1024)) {
943 /* GstPadBufferAllocFunction is mostly overridden by elements that can
944 * provide a hardware buffer in order to avoid additional memcpy operations.
946 gst_pad_set_bufferalloc_function(
947 GST_PAD_PEER(marudec->srcpad),
948 (GstPadBufferAllocFunction) codec_buffer_alloc);
950 CODEC_LOG (DEBUG, "request a large size of memory\n");
953 ret = gst_pad_alloc_buffer_and_set_caps (marudec->srcpad,
954 GST_BUFFER_OFFSET_NONE, pict_size,
955 GST_PAD_CAPS (marudec->srcpad), outbuf);
956 if (G_UNLIKELY (ret != GST_FLOW_OK)) {
957 GST_DEBUG_OBJECT (marudec, "pad_alloc failed %d (%s)", ret,
958 gst_flow_get_name (ret));
962 if ((uintptr_t) GST_BUFFER_DATA (*outbuf) % 16) {
963 GST_DEBUG_OBJECT (marudec,
964 "Downstream can't allocate aligned buffers.");
965 gst_buffer_unref (*outbuf);
966 *outbuf = new_aligned_buffer (pict_size, GST_PAD_CAPS (marudec->srcpad));
969 codec_picture_copy (marudec->context, GST_BUFFER_DATA (*outbuf),
970 GST_BUFFER_SIZE (*outbuf), marudec->dev);
976 clip_video_buffer (GstMaruDec *dec, GstBuffer *buf,
977 GstClockTime in_ts, GstClockTime in_dur)
985 clip_audio_buffer (GstMaruDec *dec, GstBuffer *buf,
986 GstClockTime in_ts, GstClockTime in_dur)
989 gint64 diff, cstart, cstop;
992 if (G_UNLIKELY (dec->segment.format != GST_FORMAT_TIME)) {
993 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
997 // in_ts: in_timestamp. check a start time.
998 if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (in_ts))) {
999 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
1004 GST_CLOCK_TIME_IS_VALID (in_dur) ? (in_ts + in_dur) : GST_CLOCK_TIME_NONE;
1006 res = gst_segment_clip (&dec->segment, GST_FORMAT_TIME, in_ts,
1007 stop, &cstart, &cstop);
1008 if (G_UNLIKELY (!res)) {
1009 GST_LOG_OBJECT (dec, "out of segment");
1010 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
1014 if (G_UNLIKELY ((diff = cstart - in_ts) > 0)) {
1016 gst_util_uint64_scale_int (diff, dec->format.audio.samplerate, GST_SECOND) *
1017 (dec->format.audio.depth * dec->format.audio.channels);
1019 GST_DEBUG_OBJECT (dec, "clipping start to %" GST_TIME_FORMAT " %"
1020 G_GINT64_FORMAT " bytes", GST_TIME_ARGS (cstart), diff);
1022 GST_BUFFER_SIZE (buf) -= diff;
1023 GST_BUFFER_DATA (buf) += diff;
1027 if (G_UNLIKELY ((diff = stop - cstop) > 0)) {
1029 gst_util_uint64_scale_int (diff, dec->format.audio.samplerate, GST_SECOND) *
1030 (dec->format.audio.depth * dec->format.audio.channels);
1032 GST_DEBUG_OBJECT (dec, "clipping stop to %" GST_TIME_FORMAT " %"
1033 G_GINT64_FORMAT " bytes", GST_TIME_ARGS (cstop), diff);
1035 GST_BUFFER_SIZE (buf) -= diff;
1038 GST_BUFFER_TIMESTAMP (buf) = cstart;
1039 GST_BUFFER_DURATION (buf) = cstop - cstart;
1041 GST_LOG_OBJECT (dec, "%sdropping", (res ? "not " : ""));
1046 gst_marudec_video_frame (GstMaruDec *marudec, guint8 *data, guint size,
1047 const GstTSInfo *dec_info, gint64 in_offset, GstBuffer **outbuf,
1050 gint len = -1, have_data;
1051 gboolean mode_switch;
1053 GstClockTime out_timestamp, out_duration, out_pts;
1055 const GstTSInfo *out_info;
1057 decode = gst_marudec_do_qos (marudec, dec_info->timestamp, &mode_switch);
1059 CODEC_LOG (DEBUG, "decode video: input buffer size: %d\n", size);
1061 codec_decode_video (marudec->context, data, size,
1062 dec_info->idx, in_offset, outbuf,
1063 &have_data, marudec->dev);
1069 GST_DEBUG_OBJECT (marudec, "after decode: len %d, have_data %d",
1073 if (len < 0 && (mode_switch || marudec->context->skip_frame)) {
1077 if (len > 0 && have_data <= 0 && (mode_switch
1078 || marudec->context->skip_frame)) {
1079 marudec->last_out = -1;
1083 if (len < 0 || have_data <= 0) {
1084 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1085 *ret, *outbuf, len);
1089 out_info = gst_ts_info_get (marudec, dec_info->idx);
1090 out_pts = out_info->timestamp;
1091 out_duration = out_info->duration;
1092 out_offset = out_info->offset;
1094 *ret = get_output_buffer (marudec, outbuf);
1095 if (G_UNLIKELY (*ret != GST_FLOW_OK)) {
1096 GST_DEBUG_OBJECT (marudec, "no output buffer");
1098 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1099 *ret, *outbuf, len);
1105 if (out_pts != -1) {
1106 out_timestamp = (GstClockTime) out_pts;
1107 GST_LOG_OBJECT (marudec, "using timestamp %" GST_TIME_FORMAT
1108 " returned by ffmpeg", GST_TIME_ARGS (out_timestamp));
1111 if (!GST_CLOCK_TIME_IS_VALID (out_timestamp) && marudec->next_out != -1) {
1112 out_timestamp = marudec->next_out;
1113 GST_LOG_OBJECT (marudec, "using next timestamp %" GST_TIME_FORMAT,
1114 GST_TIME_ARGS (out_timestamp));
1117 if (!GST_CLOCK_TIME_IS_VALID (out_timestamp)) {
1118 out_timestamp = dec_info->timestamp;
1119 GST_LOG_OBJECT (marudec, "using in timestamp %" GST_TIME_FORMAT,
1120 GST_TIME_ARGS (out_timestamp));
1122 GST_BUFFER_TIMESTAMP (*outbuf) = out_timestamp;
1125 if (out_offset != GST_BUFFER_OFFSET_NONE) {
1126 GST_LOG_OBJECT (marudec, "Using offset returned by ffmpeg");
1127 } else if (out_timestamp != GST_CLOCK_TIME_NONE) {
1128 GstFormat out_fmt = GST_FORMAT_DEFAULT;
1129 GST_LOG_OBJECT (marudec, "Using offset converted from timestamp");
1131 gst_pad_query_peer_convert (marudec->sinkpad,
1132 GST_FORMAT_TIME, out_timestamp, &out_fmt, &out_offset);
1133 } else if (dec_info->offset != GST_BUFFER_OFFSET_NONE) {
1134 GST_LOG_OBJECT (marudec, "using in_offset %" G_GINT64_FORMAT,
1136 out_offset = dec_info->offset;
1138 GST_LOG_OBJECT (marudec, "no valid offset found");
1139 out_offset = GST_BUFFER_OFFSET_NONE;
1141 GST_BUFFER_OFFSET (*outbuf) = out_offset;
1144 if (GST_CLOCK_TIME_IS_VALID (out_duration)) {
1145 GST_LOG_OBJECT (marudec, "Using duration returned by ffmpeg");
1146 } else if (GST_CLOCK_TIME_IS_VALID (dec_info->duration)) {
1147 GST_LOG_OBJECT (marudec, "Using in_duration");
1148 out_duration = dec_info->duration;
1150 } else if (GST_CLOCK_TIME_IS_VALID (marudec->last_diff)) {
1151 GST_LOG_OBJECT (marudec, "Using last-diff");
1152 out_duration = marudec->last_diff;
1155 if (marudec->format.video.fps_n != -1 &&
1156 (marudec->format.video.fps_n != 1000 &&
1157 marudec->format.video.fps_d != 1)) {
1158 GST_LOG_OBJECT (marudec, "using input framerate for duration");
1159 out_duration = gst_util_uint64_scale_int (GST_SECOND,
1160 marudec->format.video.fps_d, marudec->format.video.fps_n);
1162 if (marudec->context->video.fps_n != 0 &&
1163 (marudec->context->video.fps_d > 0 &&
1164 marudec->context->video.fps_d < 1000)) {
1165 GST_LOG_OBJECT (marudec, "using decoder's framerate for duration");
1166 out_duration = gst_util_uint64_scale_int (GST_SECOND,
1167 marudec->context->video.fps_n * 1,
1168 marudec->context->video.fps_d);
1170 GST_LOG_OBJECT (marudec, "no valid duration found");
1176 if (GST_CLOCK_TIME_IS_VALID (out_duration)) {
1177 out_duration += out_duration * marudec->picture->repeat_pict / 2;
1179 GST_BUFFER_DURATION (*outbuf) = out_duration;
1181 if (out_timestamp != -1 && out_duration != -1 && out_duration != 0) {
1182 marudec->next_out = out_timestamp + out_duration;
1184 marudec->next_out = -1;
1188 if (G_UNLIKELY (!clip_video_buffer (marudec, *outbuf, out_timestamp,
1190 GST_DEBUG_OBJECT (marudec, "buffer clipped");
1191 gst_buffer_unref (*outbuf);
1193 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1194 *ret, *outbuf, len);
1198 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1199 *ret, *outbuf, len);
1204 gst_marudec_audio_frame (GstMaruDec *marudec, CodecElement *codec,
1205 guint8 *data, guint size,
1206 const GstTSInfo *dec_info, GstBuffer **outbuf,
1210 gint have_data = FF_MAX_AUDIO_FRAME_SIZE;
1211 GstClockTime out_timestamp, out_duration;
1215 new_aligned_buffer (FF_MAX_AUDIO_FRAME_SIZE,
1216 GST_PAD_CAPS (marudec->srcpad));
1218 CODEC_LOG (DEBUG, "decode audio, input buffer size: %d\n", size);
1220 len = codec_decode_audio (marudec->context,
1221 (int16_t *) GST_BUFFER_DATA (*outbuf), &have_data,
1222 data, size, marudec->dev);
1224 GST_DEBUG_OBJECT (marudec,
1225 "Decode audio: len=%d, have_data=%d", len, have_data);
1227 if (len >= 0 && have_data > 0) {
1228 GST_DEBUG_OBJECT (marudec, "Creating output buffer");
1229 if (!gst_marudec_negotiate (marudec, FALSE)) {
1230 gst_buffer_unref (*outbuf);
1233 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1234 *ret, *outbuf, len);
1238 GST_BUFFER_SIZE (*outbuf) = have_data;
1240 if (GST_CLOCK_TIME_IS_VALID (dec_info->timestamp)) {
1241 out_timestamp = dec_info->timestamp;
1243 out_timestamp = marudec->next_out;
1246 /* calculate based on number of samples */
1247 out_duration = gst_util_uint64_scale (have_data, GST_SECOND,
1248 marudec->format.audio.depth * marudec->format.audio.channels *
1249 marudec->format.audio.samplerate);
1251 out_offset = dec_info->offset;
1253 GST_DEBUG_OBJECT (marudec,
1254 "Buffer created. Size: %d, timestamp: %" GST_TIME_FORMAT
1255 ", duration: %" GST_TIME_FORMAT, have_data,
1256 GST_TIME_ARGS (out_timestamp), GST_TIME_ARGS (out_duration));
1258 GST_BUFFER_TIMESTAMP (*outbuf) = out_timestamp;
1259 GST_BUFFER_DURATION (*outbuf) = out_duration;
1260 GST_BUFFER_OFFSET (*outbuf) = out_offset;
1261 gst_buffer_set_caps (*outbuf, GST_PAD_CAPS (marudec->srcpad));
1263 if (GST_CLOCK_TIME_IS_VALID (out_timestamp)) {
1264 marudec->next_out = out_timestamp + out_duration;
1267 if (G_UNLIKELY (!clip_audio_buffer (marudec, *outbuf,
1268 out_timestamp, out_duration))) {
1269 GST_DEBUG_OBJECT (marudec, "buffer_clipped");
1270 gst_buffer_unref (*outbuf);
1272 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d", *ret, *outbuf, len);
1276 gst_buffer_unref (*outbuf);
1280 if (len == -1 && !strcmp(codec->name, "aac")) {
1281 GST_ELEMENT_ERROR (marudec, STREAM, DECODE, (NULL),
1282 ("Decoding of AAC stream by FFMPEG failed."));
1283 *ret = GST_FLOW_ERROR;
1286 GST_DEBUG_OBJECT (marudec, "return flow %d, out %p, len %d",
1287 *ret, *outbuf, len);
1292 gst_marudec_frame (GstMaruDec *marudec, guint8 *data, guint size,
1293 gint *got_data, const GstTSInfo *dec_info, gint64 in_offset, GstFlowReturn *ret)
1295 GstMaruDecClass *oclass;
1296 GstBuffer *outbuf = NULL;
1297 gint have_data = 0, len = 0;
1299 if (G_UNLIKELY (marudec->context->codec == NULL)) {
1300 GST_ERROR_OBJECT (marudec, "no codec context");
1305 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
1307 switch (oclass->codec->media_type) {
1308 case AVMEDIA_TYPE_VIDEO:
1309 len = gst_marudec_video_frame (marudec, data, size,
1310 dec_info, in_offset, &outbuf, ret);
1312 case AVMEDIA_TYPE_AUDIO:
1313 len = gst_marudec_audio_frame (marudec, oclass->codec, data, size,
1314 dec_info, &outbuf, ret);
1315 if (outbuf == NULL && marudec->discont) {
1316 GST_DEBUG_OBJECT (marudec, "no buffer but keeping timestamp");
1317 // marudec->clear_ts = FALSE;
1321 GST_ERROR_OBJECT (marudec, "Asked to decode non-audio/video frame!");
1322 g_assert_not_reached ();
1330 if (len < 0 || have_data < 0) {
1331 GST_WARNING_OBJECT (marudec,
1332 "maru_%sdec: decoding error (len: %d, have_data: %d)",
1333 oclass->codec->name, len, have_data);
1336 } else if (len == 0 && have_data == 0) {
1344 GST_LOG_OBJECT (marudec,
1345 "Decoded data, now pushing buffer %p with offset %" G_GINT64_FORMAT
1346 ", timestamp %" GST_TIME_FORMAT " and duration %" GST_TIME_FORMAT,
1347 outbuf, GST_BUFFER_OFFSET (outbuf),
1348 GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
1349 GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
1351 if (marudec->discont) {
1352 /* GST_BUFFER_FLAG_DISCONT :
1353 * the buffer marks a data discontinuity in the stream. This typically
1354 * occurs after a seek or a dropped buffer from a live or network source.
1356 GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
1357 marudec->discont = FALSE;
1360 if (marudec->segment.rate > 0.0) {
1362 *ret = gst_pad_push (marudec->srcpad, outbuf);
1365 GST_DEBUG_OBJECT (marudec, "queued frame");
1366 marudec->queued = g_list_prepend (marudec->queued, outbuf);
1370 GST_DEBUG_OBJECT (marudec, "Didn't get a decoded buffer");
1376 static GstFlowReturn
1377 gst_marudec_chain (GstPad *pad, GstBuffer *buffer)
1379 GstMaruDec *marudec;
1380 GstMaruDecClass *oclass;
1382 gint in_size, len, have_data;
1383 GstFlowReturn ret = GST_FLOW_OK;
1384 GstClockTime in_timestamp;
1385 GstClockTime in_duration;
1388 const GstTSInfo *in_info;
1389 const GstTSInfo *dec_info;
1391 marudec = (GstMaruDec *) (GST_PAD_PARENT (pad));
1393 if (G_UNLIKELY (!marudec->opened)) {
1395 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
1396 GST_ELEMENT_ERROR (marudec, CORE, NEGOTIATION, (NULL),
1397 ("maru_%sdec: input format was not set before data start",
1398 oclass->codec->name));
1399 gst_buffer_unref (buffer);
1400 return GST_FLOW_NOT_NEGOTIATED;
1403 discont = GST_BUFFER_IS_DISCONT (buffer);
1406 if (G_UNLIKELY (discont)) {
1407 GST_DEBUG_OBJECT (marudec, "received DISCONT");
1408 gst_marudec_drain (marudec);
1409 // gst_marudec_flush_pcache (marudec);
1410 // maru_avcodec_flush buffers (marudec->context, marudec->dev);
1411 marudec->discont = TRUE;
1412 gst_marudec_reset_ts (marudec);
1414 // marudec->clear_ts = TRUE;
1416 oclass = (GstMaruDecClass *) (G_OBJECT_GET_CLASS (marudec));
1418 if (G_UNLIKELY (marudec->waiting_for_key)) {
1419 if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT) &&
1420 oclass->codec->media_type != AVMEDIA_TYPE_AUDIO) {
1423 marudec->waiting_for_key = FALSE;
1426 if (marudec->pcache) {
1427 GST_LOG_OBJECT (marudec, "join parse cache");
1428 buffer = gst_buffer_join (marudec->pcache, buffer);
1429 marudec->pcache = NULL;
1433 in_timestamp = GST_BUFFER_TIMESTAMP (buffer);
1434 in_duration = GST_BUFFER_DURATION (buffer);
1435 in_offset = GST_BUFFER_OFFSET (buffer);
1437 in_info = gst_ts_info_store (marudec, in_timestamp, in_duration, in_offset);
1440 if (in_timestamp != -1) {
1441 if (!marudec->reordered_in && marudec->last_in != -1) {
1442 if (in_timestamp < marudec->last_in) {
1443 GST_LOG_OBJECT (marudec, "detected reordered input timestamps");
1444 marudec->reordered_in = TRUE;
1445 marudec->last_diff = GST_CLOCK_TIME_NONE;
1446 } else if (in_timestamp > marudec->last_in) {
1448 diff = in_timestamp - marudec->last_in;
1449 if (marudec->last_frames) {
1450 diff /= marudec->last_frames;
1453 GST_LOG_OBJECT (marudec, "estimated duration %" GST_TIME_FORMAT " %u",
1454 GST_TIME_ARGS (diff), marudec->last_frames);
1456 marudec->last_diff = diff;
1459 marudec->last_in = in_timestamp;
1460 marudec->last_frames;
1464 GST_LOG_OBJECT (marudec,
1465 "Received new data of size %u, offset: %" G_GUINT64_FORMAT ", ts:%"
1466 GST_TIME_FORMAT ", dur: %" GST_TIME_FORMAT ", info %d",
1467 GST_BUFFER_SIZE (buffer), GST_BUFFER_OFFSET (buffer),
1468 GST_TIME_ARGS (in_timestamp), GST_TIME_ARGS (in_duration), in_info->idx);
1470 in_buf = GST_BUFFER_DATA (buffer);
1471 in_size = GST_BUFFER_SIZE (buffer);
1476 gst_marudec_frame (marudec, in_buf, in_size, &have_data, dec_info, in_offset, &ret);
1479 if (marudec->clear_ts) {
1480 in_timestamp = GST_CLOCK_TIME_NONE;
1481 in_duration = GST_CLOCK_TIME_NONE;
1482 in_offset = GST_BUFFER_OFFSET_NONE;
1483 in_info = GST_TS_INFO_NONE;
1485 marudec->clear_ts = TRUE;
1489 gst_buffer_unref (buffer);
1494 static GstStateChangeReturn
1495 gst_marudec_change_state (GstElement *element, GstStateChange transition)
1497 GstMaruDec *marudec = (GstMaruDec *) element;
1498 GstStateChangeReturn ret;
1500 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
1502 switch (transition) {
1503 case GST_STATE_CHANGE_PAUSED_TO_READY:
1504 GST_OBJECT_LOCK (marudec);
1505 gst_marudec_close (marudec);
1506 GST_OBJECT_UNLOCK (marudec);
1509 clear_queued (marudec);
1519 gst_marudec_register (GstPlugin *plugin, GList *element)
1521 GTypeInfo typeinfo = {
1522 sizeof (GstMaruDecClass),
1523 (GBaseInitFunc) gst_marudec_base_init,
1525 (GClassInitFunc) gst_marudec_class_init,
1528 sizeof (GstMaruDec),
1530 (GInstanceInitFunc) gst_marudec_init,
1535 gint rank = GST_RANK_PRIMARY;
1536 GList *elem = element;
1537 CodecElement *codec = NULL;
1543 /* register element */
1545 codec = (CodecElement *)(elem->data);
1550 if (codec->codec_type != CODEC_TYPE_DECODE) {
1554 type_name = g_strdup_printf ("maru_%sdec", codec->name);
1555 type = g_type_from_name (type_name);
1557 type = g_type_register_static (GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
1558 g_type_set_qdata (type, GST_MARUDEC_PARAMS_QDATA, (gpointer) codec);
1561 if (!gst_element_register (plugin, type_name, rank, type)) {
1566 } while ((elem = elem->next));