1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1 |
/* GStreamer FAAD (Free AAC Decoder) plugin
|
2 |
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
3 |
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
4 |
*
|
5 |
* This library is free software; you can redistribute it and/or
|
|
6 |
* modify it under the terms of the GNU Library General Public
|
|
7 |
* License as published by the Free Software Foundation; either
|
|
8 |
* version 2 of the License, or (at your option) any later version.
|
|
9 |
*
|
|
10 |
* This library is distributed in the hope that it will be useful,
|
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
13 |
* Library General Public License for more details.
|
|
14 |
*
|
|
15 |
* You should have received a copy of the GNU Library General Public
|
|
16 |
* License along with this library; if not, write to the
|
|
17 |
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
18 |
* Boston, MA 02111-1307, USA.
|
|
19 |
*/
|
|
20 |
||
21 |
#ifdef HAVE_CONFIG_H
|
|
22 |
#include "config.h" |
|
23 |
#endif
|
|
24 |
||
25 |
#include <string.h> |
|
26 |
#include <gst/audio/audio.h> |
|
27 |
#include <gst/audio/multichannel.h> |
|
28 |
||
29 |
/* These are the correct types for these functions, as defined in the source,
|
|
30 |
* with types changed to match glib types, since those are defined for us.
|
|
31 |
* However, upstream FAAD is distributed with a broken header file that defined
|
|
32 |
* these wrongly (in a way which was broken on 64 bit systems).
|
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
33 |
*
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
34 |
* Upstream CVS still has the bug, but has also renamed all the public symbols
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
35 |
* for Better Corporate Branding (or whatever), so we need to take that
|
36 |
* (FAAD_IS_NEAAC) into account as well.
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
37 |
*
|
38 |
* We must call them using these definitions. Most distributions now have the
|
|
39 |
* corrected header file (they distribute a patch along with the source),
|
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
40 |
* but not all, hence this Truly Evil Hack.
|
41 |
*
|
|
42 |
* Note: The prototypes don't need to be defined conditionaly, as the cpp will
|
|
43 |
* do that for us.
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
44 |
*/
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
45 |
#ifdef FAAD_IS_NEAAC
|
46 |
#define NeAACDecInit NeAACDecInit_no_definition
|
|
47 |
#define NeAACDecInit2 NeAACDecInit2_no_definition
|
|
48 |
#else
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
49 |
#define faacDecInit faacDecInit_no_definition
|
50 |
#define faacDecInit2 faacDecInit2_no_definition
|
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
51 |
#endif
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
52 |
#include "gstfaad.h" |
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
53 |
#ifdef FAAD_IS_NEAAC
|
54 |
#undef NeAACDecInit
|
|
55 |
#undef NeAACDecInit2
|
|
56 |
#else
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
57 |
#undef faacDecInit
|
58 |
#undef faacDecInit2
|
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
59 |
#endif
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
60 |
|
61 |
extern long faacDecInit (faacDecHandle, guint8 *, guint32, guint32 *, guint8 *); |
|
62 |
extern int8_t faacDecInit2 (faacDecHandle, guint8 *, guint32, |
|
63 |
guint32 *, guint8 *); |
|
64 |
||
65 |
GST_DEBUG_CATEGORY_STATIC (faad_debug); |
|
66 |
#define GST_CAT_DEFAULT faad_debug
|
|
67 |
||
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
68 |
#define MAX_DECODE_ERRORS 5
|
69 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
70 |
static const GstElementDetails faad_details = |
71 |
GST_ELEMENT_DETAILS ("AAC audio decoder", |
|
72 |
"Codec/Decoder/Audio", |
|
73 |
"Free MPEG-2/4 AAC decoder", |
|
74 |
"Ronald Bultje <rbultje@ronald.bitfreak.net>"); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
75 |
|
76 |
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", |
|
77 |
GST_PAD_SINK, |
|
78 |
GST_PAD_ALWAYS, |
|
79 |
GST_STATIC_CAPS ("audio/mpeg, " "mpegversion = (int) { 2, 4 }") |
|
80 |
);
|
|
81 |
||
82 |
#define STATIC_INT_CAPS(bpp) \
|
|
83 |
"audio/x-raw-int, " \
|
|
84 |
"endianness = (int) BYTE_ORDER, " \
|
|
85 |
"signed = (bool) TRUE, " \
|
|
86 |
"width = (int) " G_STRINGIFY (bpp) ", " \
|
|
87 |
"depth = (int) " G_STRINGIFY (bpp) ", " \
|
|
88 |
"rate = (int) [ 8000, 96000 ], " \
|
|
89 |
"channels = (int) [ 1, 8 ]"
|
|
90 |
||
91 |
#if 0
|
|
92 |
#define STATIC_FLOAT_CAPS(bpp) \
|
|
93 |
"audio/x-raw-float, " \
|
|
94 |
"endianness = (int) BYTE_ORDER, " \
|
|
95 |
"depth = (int) " G_STRINGIFY (bpp) ", " \
|
|
96 |
"rate = (int) [ 8000, 96000 ], " \
|
|
97 |
"channels = (int) [ 1, 8 ]"
|
|
98 |
#endif
|
|
99 |
||
100 |
/*
|
|
101 |
* All except 16-bit integer are disabled until someone fixes FAAD.
|
|
102 |
* FAAD allocates approximately 8*1024*2 bytes bytes, which is enough
|
|
103 |
* for 1 frame (1024 samples) of 6 channel (5.1) 16-bit integer 16bpp
|
|
104 |
* audio, but not for any other. You'll get random segfaults, crashes
|
|
105 |
* and even valgrind goes crazy.
|
|
106 |
*/
|
|
107 |
||
108 |
#define STATIC_CAPS \
|
|
109 |
STATIC_INT_CAPS (16)
|
|
110 |
#if 0
|
|
111 |
#define NOTUSED "; " \
|
|
112 |
STATIC_INT_CAPS (24) \
|
|
113 |
"; " \
|
|
114 |
STATIC_INT_CAPS (32) \
|
|
115 |
"; " \
|
|
116 |
STATIC_FLOAT_CAPS (32) \
|
|
117 |
"; " \
|
|
118 |
STATIC_FLOAT_CAPS (64)
|
|
119 |
#endif
|
|
120 |
||
121 |
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", |
|
122 |
GST_PAD_SRC, |
|
123 |
GST_PAD_ALWAYS, |
|
124 |
GST_STATIC_CAPS (STATIC_CAPS) |
|
125 |
);
|
|
126 |
||
127 |
static void gst_faad_base_init (GstFaadClass * klass); |
|
128 |
static void gst_faad_class_init (GstFaadClass * klass); |
|
129 |
static void gst_faad_init (GstFaad * faad); |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
130 |
static void gst_faad_dispose (GObject * object); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
131 |
|
132 |
static gboolean gst_faad_setcaps (GstPad * pad, GstCaps * caps); |
|
133 |
static GstCaps *gst_faad_srcgetcaps (GstPad * pad); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
134 |
static gboolean gst_faad_src_event (GstPad * pad, GstEvent * event); |
135 |
static gboolean gst_faad_sink_event (GstPad * pad, GstEvent * event); |
|
136 |
static gboolean gst_faad_src_query (GstPad * pad, GstQuery * query); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
137 |
static GstFlowReturn gst_faad_chain (GstPad * pad, GstBuffer * buffer); |
138 |
static GstStateChangeReturn gst_faad_change_state (GstElement * element, |
|
139 |
GstStateChange transition); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
140 |
static gboolean gst_faad_src_convert (GstFaad * faad, GstFormat src_format, |
141 |
gint64 src_val, GstFormat dest_format, gint64 * dest_val); |
|
142 |
static gboolean gst_faad_open_decoder (GstFaad * faad); |
|
143 |
static void gst_faad_close_decoder (GstFaad * faad); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
144 |
|
145 |
static GstElementClass *parent_class; /* NULL */ |
|
146 |
||
147 |
GType
|
|
148 |
gst_faad_get_type (void) |
|
149 |
{
|
|
150 |
static GType gst_faad_type = 0; |
|
151 |
||
152 |
if (!gst_faad_type) { |
|
153 |
static const GTypeInfo gst_faad_info = { |
|
154 |
sizeof (GstFaadClass), |
|
155 |
(GBaseInitFunc) gst_faad_base_init, |
|
156 |
NULL, |
|
157 |
(GClassInitFunc) gst_faad_class_init, |
|
158 |
NULL, |
|
159 |
NULL, |
|
160 |
sizeof (GstFaad), |
|
161 |
0, |
|
162 |
(GInstanceInitFunc) gst_faad_init, |
|
163 |
};
|
|
164 |
||
165 |
gst_faad_type = g_type_register_static (GST_TYPE_ELEMENT, |
|
166 |
"GstFaad", &gst_faad_info, 0); |
|
167 |
}
|
|
168 |
||
169 |
return gst_faad_type; |
|
170 |
}
|
|
171 |
||
172 |
static void |
|
173 |
gst_faad_base_init (GstFaadClass * klass) |
|
174 |
{
|
|
175 |
GstElementClass *element_class = GST_ELEMENT_CLASS (klass); |
|
176 |
||
177 |
gst_element_class_add_pad_template (element_class, |
|
178 |
gst_static_pad_template_get (&src_template)); |
|
179 |
gst_element_class_add_pad_template (element_class, |
|
180 |
gst_static_pad_template_get (&sink_template)); |
|
181 |
||
182 |
gst_element_class_set_details (element_class, &faad_details); |
|
183 |
||
184 |
GST_DEBUG_CATEGORY_INIT (faad_debug, "faad", 0, "AAC decoding"); |
|
185 |
}
|
|
186 |
||
187 |
static void |
|
188 |
gst_faad_class_init (GstFaadClass * klass) |
|
189 |
{
|
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
190 |
GObjectClass *gobject_class = G_OBJECT_CLASS (klass); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
191 |
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass); |
192 |
||
193 |
parent_class = g_type_class_peek_parent (klass); |
|
194 |
||
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
195 |
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_faad_dispose); |
196 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
197 |
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_faad_change_state); |
198 |
}
|
|
199 |
||
200 |
static void |
|
201 |
gst_faad_init (GstFaad * faad) |
|
202 |
{
|
|
203 |
faad->handle = NULL; |
|
204 |
faad->samplerate = -1; |
|
205 |
faad->channels = -1; |
|
206 |
faad->tempbuf = NULL; |
|
207 |
faad->need_channel_setup = TRUE; |
|
208 |
faad->channel_positions = NULL; |
|
209 |
faad->init = FALSE; |
|
210 |
faad->next_ts = 0; |
|
211 |
faad->prev_ts = GST_CLOCK_TIME_NONE; |
|
212 |
faad->bytes_in = 0; |
|
213 |
faad->sum_dur_out = 0; |
|
214 |
faad->packetised = FALSE; |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
215 |
faad->error_count = 0; |
216 |
faad->segment = gst_segment_new (); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
217 |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
218 |
faad->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink"); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
219 |
gst_element_add_pad (GST_ELEMENT (faad), faad->sinkpad); |
220 |
gst_pad_set_event_function (faad->sinkpad, |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
221 |
GST_DEBUG_FUNCPTR (gst_faad_sink_event)); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
222 |
gst_pad_set_setcaps_function (faad->sinkpad, |
223 |
GST_DEBUG_FUNCPTR (gst_faad_setcaps)); |
|
224 |
gst_pad_set_chain_function (faad->sinkpad, |
|
225 |
GST_DEBUG_FUNCPTR (gst_faad_chain)); |
|
226 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
227 |
faad->srcpad = gst_pad_new_from_static_template (&src_template, "src"); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
228 |
gst_pad_use_fixed_caps (faad->srcpad); |
229 |
gst_pad_set_getcaps_function (faad->srcpad, |
|
230 |
GST_DEBUG_FUNCPTR (gst_faad_srcgetcaps)); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
231 |
gst_pad_set_query_function (faad->srcpad, |
232 |
GST_DEBUG_FUNCPTR (gst_faad_src_query)); |
|
233 |
gst_pad_set_event_function (faad->srcpad, |
|
234 |
GST_DEBUG_FUNCPTR (gst_faad_src_event)); |
|
235 |
gst_element_add_pad (GST_ELEMENT (faad), faad->srcpad); |
|
236 |
}
|
|
237 |
||
238 |
static void |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
239 |
gst_faad_dispose (GObject * object) |
240 |
{
|
|
241 |
GstFaad *faad = GST_FAAD (object); |
|
242 |
||
243 |
if (faad->segment) { |
|
244 |
gst_segment_free (faad->segment); |
|
245 |
faad->segment = NULL; |
|
246 |
}
|
|
247 |
||
248 |
G_OBJECT_CLASS (parent_class)->dispose (object); |
|
249 |
||
250 |
}
|
|
251 |
||
252 |
static void |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
253 |
gst_faad_send_tags (GstFaad * faad) |
254 |
{
|
|
255 |
GstTagList *tags; |
|
256 |
||
257 |
tags = gst_tag_list_new (); |
|
258 |
||
259 |
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, |
|
260 |
GST_TAG_AUDIO_CODEC, "MPEG-4 AAC audio", NULL); |
|
261 |
||
262 |
gst_element_found_tags (GST_ELEMENT (faad), tags); |
|
263 |
}
|
|
264 |
||
265 |
static gint |
|
266 |
aac_rate_idx (gint rate) |
|
267 |
{
|
|
268 |
if (92017 <= rate) |
|
269 |
return 0; |
|
270 |
else if (75132 <= rate) |
|
271 |
return 1; |
|
272 |
else if (55426 <= rate) |
|
273 |
return 2; |
|
274 |
else if (46009 <= rate) |
|
275 |
return 3; |
|
276 |
else if (37566 <= rate) |
|
277 |
return 4; |
|
278 |
else if (27713 <= rate) |
|
279 |
return 5; |
|
280 |
else if (23004 <= rate) |
|
281 |
return 6; |
|
282 |
else if (18783 <= rate) |
|
283 |
return 7; |
|
284 |
else if (13856 <= rate) |
|
285 |
return 8; |
|
286 |
else if (11502 <= rate) |
|
287 |
return 9; |
|
288 |
else if (9391 <= rate) |
|
289 |
return 10; |
|
290 |
else
|
|
291 |
return 11; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
292 |
}
|
293 |
||
294 |
static gboolean |
|
295 |
gst_faad_setcaps (GstPad * pad, GstCaps * caps) |
|
296 |
{
|
|
297 |
GstFaad *faad = GST_FAAD (gst_pad_get_parent (pad)); |
|
298 |
GstStructure *str = gst_caps_get_structure (caps, 0); |
|
299 |
GstBuffer *buf; |
|
300 |
const GValue *value; |
|
301 |
||
302 |
/* Assume raw stream */
|
|
303 |
faad->packetised = FALSE; |
|
304 |
||
305 |
if ((value = gst_structure_get_value (str, "codec_data"))) { |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
306 |
guint32 samplerate; |
307 |
guint8 channels; |
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
308 |
guint8 *cdata; |
309 |
guint csize; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
310 |
|
311 |
/* We have codec data, means packetised stream */
|
|
312 |
faad->packetised = TRUE; |
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
313 |
buf = gst_value_get_buffer (value); |
314 |
||
315 |
cdata = GST_BUFFER_DATA (buf); |
|
316 |
csize = GST_BUFFER_SIZE (buf); |
|
317 |
||
318 |
if (csize < 2) |
|
319 |
goto wrong_length; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
320 |
|
321 |
/* someone forgot that char can be unsigned when writing the API */
|
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
322 |
if ((gint8) faacDecInit2 (faad->handle, cdata, csize, &samplerate, |
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
323 |
&channels) < 0) |
324 |
goto init_failed; |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
325 |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
326 |
GST_DEBUG_OBJECT (faad, "codec_data init: channels=%u, rate=%u", channels, |
327 |
samplerate); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
328 |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
329 |
/* not updating these here, so they are updated in the
|
330 |
* chain function, and new caps are created etc. */
|
|
331 |
faad->samplerate = 0; |
|
332 |
faad->channels = 0; |
|
333 |
||
334 |
faad->init = TRUE; |
|
335 |
||
336 |
if (faad->tempbuf) { |
|
337 |
gst_buffer_unref (faad->tempbuf); |
|
338 |
faad->tempbuf = NULL; |
|
339 |
}
|
|
340 |
} else if ((value = gst_structure_get_value (str, "framed")) && |
|
341 |
g_value_get_boolean (value) == TRUE) { |
|
342 |
faad->packetised = TRUE; |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
343 |
GST_DEBUG_OBJECT (faad, "we have packetized audio"); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
344 |
} else { |
345 |
faad->init = FALSE; |
|
346 |
}
|
|
347 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
348 |
faad->fake_codec_data[0] = 0; |
349 |
faad->fake_codec_data[1] = 0; |
|
350 |
||
351 |
if (faad->packetised) { |
|
352 |
gint rate, channels; |
|
353 |
||
354 |
if (gst_structure_get_int (str, "rate", &rate) && |
|
355 |
gst_structure_get_int (str, "channels", &channels)) { |
|
356 |
gint rate_idx, profile; |
|
357 |
||
1.1.3
by Sebastian Dröge
Import upstream version 0.10.3 |
358 |
profile = 3; /* 0=MAIN, 1=LC, 2=SSR, 3=LTP */ |
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
359 |
rate_idx = aac_rate_idx (rate); |
360 |
||
361 |
faad->fake_codec_data[0] = ((profile + 1) << 3) | ((rate_idx & 0xE) >> 1); |
|
362 |
faad->fake_codec_data[1] = ((rate_idx & 0x1) << 7) | (channels << 3); |
|
1.1.3
by Sebastian Dröge
Import upstream version 0.10.3 |
363 |
GST_LOG_OBJECT (faad, "created fake codec data (%u,%u): 0x%x 0x%x", rate, |
364 |
channels, (int) faad->fake_codec_data[0], |
|
365 |
(int) faad->fake_codec_data[1]); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
366 |
}
|
367 |
}
|
|
368 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
369 |
faad->need_channel_setup = TRUE; |
370 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
371 |
if (!faad->packetised) |
372 |
gst_faad_send_tags (faad); |
|
373 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
374 |
return TRUE; |
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
375 |
|
376 |
/* ERRORS */
|
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
377 |
wrong_length: |
378 |
{
|
|
379 |
GST_DEBUG_OBJECT (faad, "codec_data less than 2 bytes long"); |
|
380 |
return FALSE; |
|
381 |
}
|
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
382 |
init_failed: |
383 |
{
|
|
384 |
GST_DEBUG_OBJECT (faad, "faacDecInit2() failed"); |
|
385 |
return FALSE; |
|
386 |
}
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
387 |
}
|
388 |
||
389 |
||
390 |
/*
|
|
391 |
* Channel identifier conversion - caller g_free()s result!
|
|
392 |
*/
|
|
393 |
/*
|
|
394 |
static guchar *
|
|
395 |
gst_faad_chanpos_from_gst (GstAudioChannelPosition * pos, guint num)
|
|
396 |
{
|
|
397 |
guchar *fpos = g_new (guchar, num);
|
|
398 |
guint n;
|
|
399 |
||
400 |
for (n = 0; n < num; n++) {
|
|
401 |
switch (pos[n]) {
|
|
402 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT:
|
|
403 |
fpos[n] = FRONT_CHANNEL_LEFT;
|
|
404 |
break;
|
|
405 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT:
|
|
406 |
fpos[n] = FRONT_CHANNEL_RIGHT;
|
|
407 |
break;
|
|
408 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER:
|
|
409 |
case GST_AUDIO_CHANNEL_POSITION_FRONT_MONO:
|
|
410 |
fpos[n] = FRONT_CHANNEL_CENTER;
|
|
411 |
break;
|
|
412 |
case GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT:
|
|
413 |
fpos[n] = SIDE_CHANNEL_LEFT;
|
|
414 |
break;
|
|
415 |
case GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT:
|
|
416 |
fpos[n] = SIDE_CHANNEL_RIGHT;
|
|
417 |
break;
|
|
418 |
case GST_AUDIO_CHANNEL_POSITION_REAR_LEFT:
|
|
419 |
fpos[n] = BACK_CHANNEL_LEFT;
|
|
420 |
break;
|
|
421 |
case GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT:
|
|
422 |
fpos[n] = BACK_CHANNEL_RIGHT;
|
|
423 |
break;
|
|
424 |
case GST_AUDIO_CHANNEL_POSITION_REAR_CENTER:
|
|
425 |
fpos[n] = BACK_CHANNEL_CENTER;
|
|
426 |
break;
|
|
427 |
case GST_AUDIO_CHANNEL_POSITION_LFE:
|
|
428 |
fpos[n] = LFE_CHANNEL;
|
|
429 |
break;
|
|
430 |
default:
|
|
431 |
GST_WARNING ("Unsupported GST channel position 0x%x encountered",
|
|
432 |
pos[n]);
|
|
433 |
g_free (fpos);
|
|
434 |
return NULL;
|
|
435 |
}
|
|
436 |
}
|
|
437 |
||
438 |
return fpos;
|
|
439 |
}
|
|
440 |
*/
|
|
441 |
||
442 |
static GstAudioChannelPosition * |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
443 |
gst_faad_chanpos_to_gst (GstFaad * faad, guchar * fpos, guint num, |
444 |
gboolean * channel_map_failed) |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
445 |
{
|
446 |
GstAudioChannelPosition *pos = g_new (GstAudioChannelPosition, num); |
|
447 |
guint n; |
|
448 |
gboolean unknown_channel = FALSE; |
|
449 |
||
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
450 |
*channel_map_failed = FALSE; |
451 |
||
452 |
/* special handling for the common cases for mono and stereo */
|
|
453 |
if (num == 1 && fpos[0] == FRONT_CHANNEL_CENTER) { |
|
454 |
GST_DEBUG_OBJECT (faad, "mono common case; won't set channel positions"); |
|
455 |
return NULL; |
|
456 |
} else if (num == 2 && fpos[0] == FRONT_CHANNEL_LEFT |
|
457 |
&& fpos[1] == FRONT_CHANNEL_RIGHT) { |
|
458 |
GST_DEBUG_OBJECT (faad, "stereo common case; won't set channel positions"); |
|
459 |
return NULL; |
|
460 |
}
|
|
461 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
462 |
for (n = 0; n < num; n++) { |
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
463 |
GST_DEBUG_OBJECT (faad, "faad channel %d as %d", n, fpos[n]); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
464 |
switch (fpos[n]) { |
465 |
case FRONT_CHANNEL_LEFT: |
|
466 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT; |
|
467 |
break; |
|
468 |
case FRONT_CHANNEL_RIGHT: |
|
469 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT; |
|
470 |
break; |
|
471 |
case FRONT_CHANNEL_CENTER: |
|
472 |
/* argh, mono = center */
|
|
473 |
if (num == 1) |
|
474 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_FRONT_MONO; |
|
475 |
else
|
|
476 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER; |
|
477 |
break; |
|
478 |
case SIDE_CHANNEL_LEFT: |
|
479 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT; |
|
480 |
break; |
|
481 |
case SIDE_CHANNEL_RIGHT: |
|
482 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT; |
|
483 |
break; |
|
484 |
case BACK_CHANNEL_LEFT: |
|
485 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT; |
|
486 |
break; |
|
487 |
case BACK_CHANNEL_RIGHT: |
|
488 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT; |
|
489 |
break; |
|
490 |
case BACK_CHANNEL_CENTER: |
|
491 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_REAR_CENTER; |
|
492 |
break; |
|
493 |
case LFE_CHANNEL: |
|
494 |
pos[n] = GST_AUDIO_CHANNEL_POSITION_LFE; |
|
495 |
break; |
|
496 |
default: |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
497 |
GST_DEBUG_OBJECT (faad, "unknown channel %d at %d", fpos[n], n); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
498 |
unknown_channel = TRUE; |
499 |
break; |
|
500 |
}
|
|
501 |
}
|
|
502 |
if (unknown_channel) { |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
503 |
g_free (pos); |
504 |
pos = NULL; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
505 |
switch (num) { |
506 |
case 1:{ |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
507 |
GST_DEBUG_OBJECT (faad, |
508 |
"FAAD reports unknown 1 channel mapping. Forcing to mono"); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
509 |
break; |
510 |
}
|
|
511 |
case 2:{ |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
512 |
GST_DEBUG_OBJECT (faad, |
513 |
"FAAD reports unknown 2 channel mapping. Forcing to stereo"); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
514 |
break; |
515 |
}
|
|
516 |
default:{ |
|
517 |
GST_WARNING ("Unsupported FAAD channel position 0x%x encountered", |
|
518 |
fpos[n]); |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
519 |
*channel_map_failed = TRUE; |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
520 |
break; |
521 |
}
|
|
522 |
}
|
|
523 |
}
|
|
524 |
||
525 |
return pos; |
|
526 |
}
|
|
527 |
||
528 |
static GstCaps * |
|
529 |
gst_faad_srcgetcaps (GstPad * pad) |
|
530 |
{
|
|
531 |
GstFaad *faad = GST_FAAD (gst_pad_get_parent (pad)); |
|
532 |
static GstAudioChannelPosition *supported_positions = NULL; |
|
533 |
static gint num_supported_positions = LFE_CHANNEL - FRONT_CHANNEL_CENTER + 1; |
|
534 |
GstCaps *templ; |
|
535 |
||
536 |
if (!supported_positions) { |
|
537 |
guchar *supported_fpos = g_new0 (guchar, num_supported_positions); |
|
538 |
gint n; |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
539 |
gboolean map_failed; |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
540 |
|
541 |
for (n = 0; n < num_supported_positions; n++) { |
|
542 |
supported_fpos[n] = n + FRONT_CHANNEL_CENTER; |
|
543 |
}
|
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
544 |
supported_positions = gst_faad_chanpos_to_gst (faad, supported_fpos, |
545 |
num_supported_positions, &map_failed); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
546 |
g_free (supported_fpos); |
547 |
}
|
|
548 |
||
549 |
if (faad->handle != NULL && faad->channels != -1 && faad->samplerate != -1) { |
|
550 |
GstCaps *caps = gst_caps_new_empty (); |
|
551 |
GstStructure *str; |
|
552 |
gint fmt[] = { |
|
553 |
FAAD_FMT_16BIT, |
|
554 |
#if 0
|
|
555 |
FAAD_FMT_24BIT,
|
|
556 |
FAAD_FMT_32BIT,
|
|
557 |
FAAD_FMT_FLOAT,
|
|
558 |
FAAD_FMT_DOUBLE,
|
|
559 |
#endif
|
|
560 |
-1
|
|
561 |
}
|
|
562 |
, n; |
|
563 |
||
564 |
for (n = 0; fmt[n] != -1; n++) { |
|
565 |
switch (fmt[n]) { |
|
566 |
case FAAD_FMT_16BIT: |
|
567 |
str = gst_structure_new ("audio/x-raw-int", |
|
568 |
"signed", G_TYPE_BOOLEAN, TRUE, |
|
569 |
"width", G_TYPE_INT, 16, "depth", G_TYPE_INT, 16, NULL); |
|
570 |
break; |
|
571 |
#if 0
|
|
572 |
case FAAD_FMT_24BIT:
|
|
573 |
str = gst_structure_new ("audio/x-raw-int",
|
|
574 |
"signed", G_TYPE_BOOLEAN, TRUE,
|
|
575 |
"width", G_TYPE_INT, 24, "depth", G_TYPE_INT, 24, NULL);
|
|
576 |
break;
|
|
577 |
case FAAD_FMT_32BIT:
|
|
578 |
str = gst_structure_new ("audio/x-raw-int",
|
|
579 |
"signed", G_TYPE_BOOLEAN, TRUE,
|
|
580 |
"width", G_TYPE_INT, 32, "depth", G_TYPE_INT, 32, NULL);
|
|
581 |
break;
|
|
582 |
case FAAD_FMT_FLOAT:
|
|
583 |
str = gst_structure_new ("audio/x-raw-float",
|
|
584 |
"depth", G_TYPE_INT, 32, NULL);
|
|
585 |
break;
|
|
586 |
case FAAD_FMT_DOUBLE:
|
|
587 |
str = gst_structure_new ("audio/x-raw-float",
|
|
588 |
"depth", G_TYPE_INT, 64, NULL);
|
|
589 |
break;
|
|
590 |
#endif
|
|
591 |
default: |
|
592 |
str = NULL; |
|
593 |
break; |
|
594 |
}
|
|
595 |
if (!str) |
|
596 |
continue; |
|
597 |
||
598 |
if (faad->samplerate > 0) { |
|
599 |
gst_structure_set (str, "rate", G_TYPE_INT, faad->samplerate, NULL); |
|
600 |
} else { |
|
601 |
gst_structure_set (str, "rate", GST_TYPE_INT_RANGE, 8000, 96000, NULL); |
|
602 |
}
|
|
603 |
||
604 |
if (faad->channels > 0) { |
|
605 |
gst_structure_set (str, "channels", G_TYPE_INT, faad->channels, NULL); |
|
606 |
||
607 |
/* put channel information here */
|
|
608 |
if (faad->channel_positions) { |
|
609 |
GstAudioChannelPosition *pos; |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
610 |
gboolean map_failed; |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
611 |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
612 |
pos = gst_faad_chanpos_to_gst (faad, faad->channel_positions, |
613 |
faad->channels, &map_failed); |
|
614 |
if (map_failed) { |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
615 |
gst_structure_free (str); |
616 |
continue; |
|
617 |
}
|
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
618 |
if (pos) { |
619 |
gst_audio_set_channel_positions (str, pos); |
|
620 |
g_free (pos); |
|
621 |
}
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
622 |
} else { |
623 |
gst_audio_set_structure_channel_positions_list (str, |
|
624 |
supported_positions, num_supported_positions); |
|
625 |
}
|
|
626 |
} else { |
|
627 |
gst_structure_set (str, "channels", GST_TYPE_INT_RANGE, 1, 8, NULL); |
|
628 |
/* we set channel positions later */
|
|
629 |
}
|
|
630 |
||
631 |
gst_structure_set (str, "endianness", G_TYPE_INT, G_BYTE_ORDER, NULL); |
|
632 |
||
633 |
gst_caps_append_structure (caps, str); |
|
634 |
}
|
|
635 |
||
636 |
if (faad->channels == -1) { |
|
637 |
gst_audio_set_caps_channel_positions_list (caps, |
|
638 |
supported_positions, num_supported_positions); |
|
639 |
}
|
|
640 |
gst_object_unref (faad); |
|
641 |
return caps; |
|
642 |
}
|
|
643 |
||
644 |
/* template with channel positions */
|
|
645 |
templ = gst_caps_copy (GST_PAD_TEMPLATE_CAPS (GST_PAD_PAD_TEMPLATE (pad))); |
|
646 |
gst_audio_set_caps_channel_positions_list (templ, |
|
647 |
supported_positions, num_supported_positions); |
|
648 |
||
649 |
gst_object_unref (faad); |
|
650 |
return templ; |
|
651 |
}
|
|
652 |
||
653 |
/*
|
|
654 |
static GstPadLinkReturn
|
|
655 |
gst_faad_srcconnect (GstPad * pad, const GstCaps * caps)
|
|
656 |
{
|
|
657 |
GstStructure *structure;
|
|
658 |
const gchar *mimetype;
|
|
659 |
gint fmt = -1;
|
|
660 |
gint depth, rate, channels;
|
|
661 |
GstFaad *faad = GST_FAAD (gst_pad_get_parent (pad));
|
|
662 |
||
663 |
structure = gst_caps_get_structure (caps, 0);
|
|
664 |
||
665 |
if (!faad->handle || (faad->samplerate == -1 || faad->channels == -1) ||
|
|
666 |
!faad->channel_positions) {
|
|
667 |
return GST_PAD_LINK_DELAYED;
|
|
668 |
}
|
|
669 |
||
670 |
mimetype = gst_structure_get_name (structure);
|
|
671 |
||
672 |
// Samplerate and channels are normally provided through
|
|
673 |
// * the getcaps function
|
|
674 |
if (!gst_structure_get_int (structure, "channels", &channels) ||
|
|
675 |
!gst_structure_get_int (structure, "rate", &rate) ||
|
|
676 |
rate != faad->samplerate || channels != faad->channels) {
|
|
677 |
return GST_PAD_LINK_REFUSED;
|
|
678 |
}
|
|
679 |
||
680 |
// Another internal checkup.
|
|
681 |
if (faad->need_channel_setup) {
|
|
682 |
GstAudioChannelPosition *pos;
|
|
683 |
guchar *fpos;
|
|
684 |
guint i;
|
|
685 |
||
686 |
pos = gst_audio_get_channel_positions (structure);
|
|
687 |
if (!pos) {
|
|
688 |
return GST_PAD_LINK_DELAYED;
|
|
689 |
}
|
|
690 |
fpos = gst_faad_chanpos_from_gst (pos, faad->channels);
|
|
691 |
g_free (pos);
|
|
692 |
if (!fpos)
|
|
693 |
return GST_PAD_LINK_REFUSED;
|
|
694 |
||
695 |
for (i = 0; i < faad->channels; i++) {
|
|
696 |
if (fpos[i] != faad->channel_positions[i]) {
|
|
697 |
g_free (fpos);
|
|
698 |
return GST_PAD_LINK_REFUSED;
|
|
699 |
}
|
|
700 |
}
|
|
701 |
g_free (fpos);
|
|
702 |
}
|
|
703 |
||
704 |
if (!strcmp (mimetype, "audio/x-raw-int")) {
|
|
705 |
gint width;
|
|
706 |
||
707 |
if (!gst_structure_get_int (structure, "depth", &depth) ||
|
|
708 |
!gst_structure_get_int (structure, "width", &width))
|
|
709 |
return GST_PAD_LINK_REFUSED;
|
|
710 |
if (depth != width)
|
|
711 |
return GST_PAD_LINK_REFUSED;
|
|
712 |
||
713 |
switch (depth) {
|
|
714 |
case 16:
|
|
715 |
fmt = FAAD_FMT_16BIT;
|
|
716 |
break;
|
|
717 |
#if 0
|
|
718 |
case 24:
|
|
719 |
fmt = FAAD_FMT_24BIT;
|
|
720 |
break;
|
|
721 |
case 32:
|
|
722 |
fmt = FAAD_FMT_32BIT;
|
|
723 |
break;
|
|
724 |
#endif
|
|
725 |
}
|
|
726 |
} else {
|
|
727 |
if (!gst_structure_get_int (structure, "depth", &depth))
|
|
728 |
return GST_PAD_LINK_REFUSED;
|
|
729 |
||
730 |
switch (depth) {
|
|
731 |
#if 0
|
|
732 |
case 32:
|
|
733 |
fmt = FAAD_FMT_FLOAT;
|
|
734 |
break;
|
|
735 |
case 64:
|
|
736 |
fmt = FAAD_FMT_DOUBLE;
|
|
737 |
break;
|
|
738 |
#endif
|
|
739 |
}
|
|
740 |
}
|
|
741 |
||
742 |
if (fmt != -1) {
|
|
743 |
faacDecConfiguration *conf;
|
|
744 |
||
745 |
conf = faacDecGetCurrentConfiguration (faad->handle);
|
|
746 |
conf->outputFormat = fmt;
|
|
747 |
if (faacDecSetConfiguration (faad->handle, conf) == 0)
|
|
748 |
return GST_PAD_LINK_REFUSED;
|
|
749 |
||
750 |
// FIXME: handle return value, how?
|
|
751 |
faad->bps = depth / 8;
|
|
752 |
||
753 |
return GST_PAD_LINK_OK;
|
|
754 |
}
|
|
755 |
||
756 |
return GST_PAD_LINK_REFUSED;
|
|
757 |
}*/
|
|
758 |
||
759 |
static gboolean |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
760 |
gst_faad_do_raw_seek (GstFaad * faad, GstEvent * event) |
761 |
{
|
|
762 |
GstSeekFlags flags; |
|
763 |
GstSeekType start_type, end_type; |
|
764 |
GstFormat format; |
|
765 |
gdouble rate; |
|
766 |
gint64 start, start_time; |
|
767 |
||
768 |
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, |
|
769 |
&start_time, &end_type, NULL); |
|
770 |
||
771 |
if (rate != 1.0 || |
|
772 |
format != GST_FORMAT_TIME || |
|
773 |
start_type != GST_SEEK_TYPE_SET || end_type != GST_SEEK_TYPE_NONE) { |
|
774 |
return FALSE; |
|
775 |
}
|
|
776 |
||
777 |
if (!gst_faad_src_convert (faad, GST_FORMAT_TIME, start_time, |
|
778 |
GST_FORMAT_BYTES, &start)) { |
|
779 |
return FALSE; |
|
780 |
}
|
|
781 |
||
782 |
event = gst_event_new_seek (1.0, GST_FORMAT_BYTES, flags, |
|
783 |
GST_SEEK_TYPE_SET, start, GST_SEEK_TYPE_NONE, -1); |
|
784 |
||
785 |
GST_DEBUG_OBJECT (faad, "seeking to %" GST_TIME_FORMAT " at byte offset %" |
|
786 |
G_GINT64_FORMAT, GST_TIME_ARGS (start_time), start); |
|
787 |
||
788 |
return gst_pad_send_event (GST_PAD_PEER (faad->sinkpad), event); |
|
789 |
}
|
|
790 |
||
791 |
static gboolean |
|
792 |
gst_faad_src_event (GstPad * pad, GstEvent * event) |
|
793 |
{
|
|
794 |
GstFaad *faad; |
|
795 |
gboolean res; |
|
796 |
||
797 |
faad = GST_FAAD (gst_pad_get_parent (pad)); |
|
798 |
||
799 |
GST_LOG_OBJECT (faad, "Handling %s event", GST_EVENT_TYPE_NAME (event)); |
|
800 |
||
801 |
switch (GST_EVENT_TYPE (event)) { |
|
802 |
case GST_EVENT_SEEK:{ |
|
803 |
/* try upstream first, there might be a demuxer */
|
|
804 |
gst_event_ref (event); |
|
805 |
if (!(res = gst_pad_event_default (pad, event))) { |
|
806 |
res = gst_faad_do_raw_seek (faad, event); |
|
807 |
}
|
|
808 |
gst_event_unref (event); |
|
809 |
break; |
|
810 |
}
|
|
811 |
default: |
|
812 |
res = gst_pad_event_default (pad, event); |
|
813 |
break; |
|
814 |
}
|
|
815 |
||
816 |
gst_object_unref (faad); |
|
817 |
return res; |
|
818 |
}
|
|
819 |
||
820 |
static gboolean |
|
821 |
gst_faad_sink_event (GstPad * pad, GstEvent * event) |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
822 |
{
|
823 |
GstFaad *faad; |
|
824 |
gboolean res = TRUE; |
|
825 |
||
826 |
faad = GST_FAAD (gst_pad_get_parent (pad)); |
|
827 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
828 |
GST_LOG_OBJECT (faad, "Handling %s event", GST_EVENT_TYPE_NAME (event)); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
829 |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
830 |
/* FIXME: we should probably handle FLUSH */
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
831 |
switch (GST_EVENT_TYPE (event)) { |
832 |
case GST_EVENT_EOS: |
|
833 |
if (faad->tempbuf != NULL) { |
|
834 |
gst_buffer_unref (faad->tempbuf); |
|
835 |
faad->tempbuf = NULL; |
|
836 |
}
|
|
837 |
res = gst_pad_push_event (faad->srcpad, event); |
|
838 |
break; |
|
839 |
case GST_EVENT_NEWSEGMENT: |
|
840 |
{
|
|
841 |
GstFormat fmt; |
|
842 |
gboolean is_update; |
|
843 |
gint64 start, end, base; |
|
844 |
gdouble rate; |
|
845 |
||
846 |
gst_event_parse_new_segment (event, &is_update, &rate, &fmt, &start, |
|
847 |
&end, &base); |
|
848 |
if (fmt == GST_FORMAT_TIME) { |
|
849 |
GST_DEBUG ("Got NEWSEGMENT event in GST_FORMAT_TIME, passing on (%" |
|
850 |
GST_TIME_FORMAT " - %" GST_TIME_FORMAT ")", GST_TIME_ARGS (start), |
|
851 |
GST_TIME_ARGS (end)); |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
852 |
gst_segment_set_newsegment (faad->segment, is_update, rate, fmt, start, |
853 |
end, base); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
854 |
} else if (fmt == GST_FORMAT_BYTES) { |
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
855 |
gint64 new_start = 0; |
856 |
gint64 new_end = -1; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
857 |
|
858 |
GST_DEBUG ("Got NEWSEGMENT event in GST_FORMAT_BYTES (%" |
|
859 |
G_GUINT64_FORMAT " - %" G_GUINT64_FORMAT ")", start, end); |
|
860 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
861 |
if (gst_faad_src_convert (faad, GST_FORMAT_BYTES, start, |
862 |
GST_FORMAT_TIME, &new_start)) { |
|
863 |
if (end != -1) { |
|
864 |
gst_faad_src_convert (faad, GST_FORMAT_BYTES, end, |
|
865 |
GST_FORMAT_TIME, &new_end); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
866 |
}
|
867 |
} else { |
|
868 |
GST_DEBUG
|
|
869 |
("no average bitrate yet, sending newsegment with start at 0"); |
|
870 |
}
|
|
871 |
gst_event_unref (event); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
872 |
|
873 |
event = gst_event_new_new_segment (is_update, rate, |
|
874 |
GST_FORMAT_TIME, new_start, new_end, new_start); |
|
875 |
||
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
876 |
gst_segment_set_newsegment (faad->segment, is_update, rate, |
877 |
GST_FORMAT_TIME, new_start, new_end, new_start); |
|
878 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
879 |
GST_DEBUG ("Sending new NEWSEGMENT event, time %" GST_TIME_FORMAT |
880 |
" - %" GST_TIME_FORMAT, GST_TIME_ARGS (new_start), |
|
881 |
GST_TIME_ARGS (new_end)); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
882 |
|
883 |
faad->next_ts = new_start; |
|
884 |
faad->prev_ts = GST_CLOCK_TIME_NONE; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
885 |
}
|
886 |
||
887 |
res = gst_pad_push_event (faad->srcpad, event); |
|
888 |
break; |
|
889 |
}
|
|
890 |
default: |
|
891 |
res = gst_pad_event_default (pad, event); |
|
892 |
break; |
|
893 |
}
|
|
894 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
895 |
gst_object_unref (faad); |
896 |
return res; |
|
897 |
}
|
|
898 |
||
899 |
static gboolean |
|
900 |
gst_faad_src_convert (GstFaad * faad, GstFormat src_format, gint64 src_val, |
|
901 |
GstFormat dest_format, gint64 * dest_val) |
|
902 |
{
|
|
903 |
guint64 bytes_in, time_out, val; |
|
904 |
||
905 |
if (src_format == dest_format) { |
|
906 |
if (dest_val) |
|
907 |
*dest_val = src_val; |
|
908 |
return TRUE; |
|
909 |
}
|
|
910 |
||
911 |
GST_OBJECT_LOCK (faad); |
|
912 |
bytes_in = faad->bytes_in; |
|
913 |
time_out = faad->sum_dur_out; |
|
914 |
GST_OBJECT_UNLOCK (faad); |
|
915 |
||
916 |
if (bytes_in == 0 || time_out == 0) |
|
917 |
return FALSE; |
|
918 |
||
919 |
/* convert based on the average bitrate so far */
|
|
920 |
if (src_format == GST_FORMAT_BYTES && dest_format == GST_FORMAT_TIME) { |
|
921 |
val = gst_util_uint64_scale (src_val, time_out, bytes_in); |
|
922 |
} else if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_BYTES) { |
|
923 |
val = gst_util_uint64_scale (src_val, bytes_in, time_out); |
|
924 |
} else { |
|
925 |
return FALSE; |
|
926 |
}
|
|
927 |
||
928 |
if (dest_val) |
|
929 |
*dest_val = (gint64) val; |
|
930 |
||
931 |
return TRUE; |
|
932 |
}
|
|
933 |
||
934 |
static gboolean |
|
935 |
gst_faad_src_query (GstPad * pad, GstQuery * query) |
|
936 |
{
|
|
937 |
gboolean res = FALSE; |
|
938 |
GstFaad *faad; |
|
939 |
GstPad *peer = NULL; |
|
940 |
||
941 |
faad = GST_FAAD (gst_pad_get_parent (pad)); |
|
942 |
||
943 |
GST_LOG_OBJECT (faad, "processing %s query", GST_QUERY_TYPE_NAME (query)); |
|
944 |
||
945 |
switch (GST_QUERY_TYPE (query)) { |
|
946 |
case GST_QUERY_DURATION:{ |
|
947 |
GstFormat format; |
|
948 |
gint64 len_bytes, duration; |
|
949 |
||
950 |
/* try upstream first, in case there's a demuxer */
|
|
951 |
if ((res = gst_pad_query_default (pad, query))) |
|
952 |
break; |
|
953 |
||
954 |
gst_query_parse_duration (query, &format, NULL); |
|
955 |
if (format != GST_FORMAT_TIME) { |
|
956 |
GST_DEBUG_OBJECT (faad, "query failed: can't handle format %s", |
|
957 |
gst_format_get_name (format)); |
|
958 |
break; |
|
959 |
}
|
|
960 |
||
961 |
peer = gst_pad_get_peer (faad->sinkpad); |
|
962 |
if (peer == NULL) |
|
963 |
break; |
|
964 |
||
965 |
format = GST_FORMAT_BYTES; |
|
966 |
if (!gst_pad_query_duration (peer, &format, &len_bytes)) { |
|
967 |
GST_DEBUG_OBJECT (faad, "query failed: failed to get upstream length"); |
|
968 |
break; |
|
969 |
}
|
|
970 |
||
971 |
res = gst_faad_src_convert (faad, GST_FORMAT_BYTES, len_bytes, |
|
972 |
GST_FORMAT_TIME, &duration); |
|
973 |
||
974 |
if (res) { |
|
975 |
gst_query_set_duration (query, GST_FORMAT_TIME, duration); |
|
976 |
||
977 |
GST_LOG_OBJECT (faad, "duration estimate: %" GST_TIME_FORMAT, |
|
978 |
GST_TIME_ARGS (duration)); |
|
979 |
}
|
|
980 |
break; |
|
981 |
}
|
|
982 |
case GST_QUERY_POSITION:{ |
|
983 |
GstFormat format; |
|
984 |
gint64 pos_bytes, pos; |
|
985 |
||
986 |
/* try upstream first, in case there's a demuxer */
|
|
987 |
if ((res = gst_pad_query_default (pad, query))) |
|
988 |
break; |
|
989 |
||
990 |
gst_query_parse_position (query, &format, NULL); |
|
991 |
if (format != GST_FORMAT_TIME) { |
|
992 |
GST_DEBUG_OBJECT (faad, "query failed: can't handle format %s", |
|
993 |
gst_format_get_name (format)); |
|
994 |
break; |
|
995 |
}
|
|
996 |
||
997 |
peer = gst_pad_get_peer (faad->sinkpad); |
|
998 |
if (peer == NULL) |
|
999 |
break; |
|
1000 |
||
1001 |
format = GST_FORMAT_BYTES; |
|
1002 |
if (!gst_pad_query_position (peer, &format, &pos_bytes)) { |
|
1003 |
GST_OBJECT_LOCK (faad); |
|
1004 |
pos = faad->next_ts; |
|
1005 |
GST_OBJECT_UNLOCK (faad); |
|
1006 |
res = TRUE; |
|
1007 |
} else { |
|
1008 |
res = gst_faad_src_convert (faad, GST_FORMAT_BYTES, pos_bytes, |
|
1009 |
GST_FORMAT_TIME, &pos); |
|
1010 |
}
|
|
1011 |
||
1012 |
if (res) { |
|
1013 |
gst_query_set_position (query, GST_FORMAT_TIME, pos); |
|
1014 |
}
|
|
1015 |
break; |
|
1016 |
}
|
|
1017 |
default: |
|
1018 |
res = gst_pad_query_default (pad, query); |
|
1019 |
break; |
|
1020 |
}
|
|
1021 |
||
1022 |
if (peer) |
|
1023 |
gst_object_unref (peer); |
|
1024 |
||
1025 |
gst_object_unref (faad); |
|
1026 |
return res; |
|
1027 |
}
|
|
1028 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1029 |
|
1030 |
static gboolean |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1031 |
gst_faad_update_caps (GstFaad * faad, faacDecFrameInfo * info) |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1032 |
{
|
1033 |
GstAudioChannelPosition *pos; |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1034 |
gboolean ret; |
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1035 |
gboolean channel_map_failed; |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1036 |
GstCaps *caps; |
1037 |
||
1038 |
/* store new negotiation information */
|
|
1039 |
faad->samplerate = info->samplerate; |
|
1040 |
faad->channels = info->channels; |
|
1041 |
g_free (faad->channel_positions); |
|
1042 |
faad->channel_positions = g_memdup (info->channel_position, faad->channels); |
|
1043 |
||
1044 |
caps = gst_caps_new_simple ("audio/x-raw-int", |
|
1045 |
"endianness", G_TYPE_INT, G_BYTE_ORDER, |
|
1046 |
"signed", G_TYPE_BOOLEAN, TRUE, |
|
1047 |
"width", G_TYPE_INT, 16, |
|
1048 |
"depth", G_TYPE_INT, 16, |
|
1049 |
"rate", G_TYPE_INT, faad->samplerate, |
|
1050 |
"channels", G_TYPE_INT, faad->channels, NULL); |
|
1051 |
||
1052 |
faad->bps = 16 / 8; |
|
1053 |
||
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1054 |
channel_map_failed = FALSE; |
1055 |
pos = |
|
1056 |
gst_faad_chanpos_to_gst (faad, faad->channel_positions, faad->channels, |
|
1057 |
&channel_map_failed); |
|
1058 |
if (channel_map_failed) { |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1059 |
GST_DEBUG_OBJECT (faad, "Could not map channel positions"); |
1060 |
gst_caps_unref (caps); |
|
1061 |
return FALSE; |
|
1062 |
}
|
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1063 |
if (pos) { |
1064 |
gst_audio_set_channel_positions (gst_caps_get_structure (caps, 0), pos); |
|
1065 |
g_free (pos); |
|
1066 |
}
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1067 |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1068 |
GST_DEBUG_OBJECT (faad, "New output caps: %" GST_PTR_FORMAT, caps); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1069 |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1070 |
ret = gst_pad_set_caps (faad->srcpad, caps); |
1071 |
gst_caps_unref (caps); |
|
1072 |
||
1073 |
return ret; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1074 |
}
|
1075 |
||
1076 |
/*
|
|
1077 |
* Find syncpoint in ADTS/ADIF stream. Doesn't work for raw,
|
|
1078 |
* packetized streams. Be careful when calling.
|
|
1079 |
* Returns FALSE on no-sync, fills offset/length if one/two
|
|
1080 |
* syncpoints are found, only returns TRUE when it finds two
|
|
1081 |
* subsequent syncpoints (similar to mp3 typefinding in
|
|
1082 |
* gst/typefind/) for ADTS because 12 bits isn't very reliable.
|
|
1083 |
*/
|
|
1084 |
static gboolean |
|
1085 |
gst_faad_sync (GstBuffer * buf, guint * off) |
|
1086 |
{
|
|
1087 |
guint8 *data = GST_BUFFER_DATA (buf); |
|
1088 |
guint size = GST_BUFFER_SIZE (buf), n; |
|
1089 |
gint snc; |
|
1090 |
||
1091 |
GST_DEBUG ("Finding syncpoint"); |
|
1092 |
||
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1093 |
/* check for too small a buffer */
|
1094 |
if (size < 3) |
|
1095 |
return FALSE; |
|
1096 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1097 |
/* FIXME: for no-sync, we go over the same data for every new buffer.
|
1098 |
* We should save the information somewhere. */
|
|
1099 |
for (n = 0; n < size - 3; n++) { |
|
1100 |
snc = GST_READ_UINT16_BE (&data[n]); |
|
1101 |
if ((snc & 0xfff6) == 0xfff0) { |
|
1102 |
/* we have an ADTS syncpoint. Parse length and find
|
|
1103 |
* next syncpoint. */
|
|
1104 |
guint len; |
|
1105 |
||
1106 |
GST_DEBUG ("Found one ADTS syncpoint at offset 0x%x, tracing next...", n); |
|
1107 |
||
1108 |
if (size - n < 5) { |
|
1109 |
GST_DEBUG ("Not enough data to parse ADTS header"); |
|
1110 |
return FALSE; |
|
1111 |
}
|
|
1112 |
||
1113 |
*off = n; |
|
1114 |
len = ((data[n + 3] & 0x03) << 11) | |
|
1115 |
(data[n + 4] << 3) | ((data[n + 5] & 0xe0) >> 5); |
|
1116 |
if (n + len + 2 >= size) { |
|
1117 |
GST_DEBUG ("Next frame is not within reach"); |
|
1118 |
return FALSE; |
|
1119 |
}
|
|
1120 |
||
1121 |
snc = GST_READ_UINT16_BE (&data[n + len]); |
|
1122 |
if ((snc & 0xfff6) == 0xfff0) { |
|
1123 |
GST_DEBUG ("Found ADTS syncpoint at offset 0x%x (framelen %u)", n, len); |
|
1124 |
return TRUE; |
|
1125 |
}
|
|
1126 |
||
1127 |
GST_DEBUG ("No next frame found... (should be at 0x%x)", n + len); |
|
1128 |
} else if (!memcmp (&data[n], "ADIF", 4)) { |
|
1129 |
/* we have an ADIF syncpoint. 4 bytes is enough. */
|
|
1130 |
*off = n; |
|
1131 |
GST_DEBUG ("Found ADIF syncpoint at offset 0x%x", n); |
|
1132 |
return TRUE; |
|
1133 |
}
|
|
1134 |
}
|
|
1135 |
||
1136 |
GST_DEBUG ("Found no syncpoint"); |
|
1137 |
||
1138 |
return FALSE; |
|
1139 |
}
|
|
1140 |
||
1.1.3
by Sebastian Dröge
Import upstream version 0.10.3 |
1141 |
static gboolean |
1142 |
looks_like_valid_header (guint8 * input_data, guint input_size) |
|
1143 |
{
|
|
1144 |
guint32 rate; |
|
1145 |
guint32 channels; |
|
1146 |
||
1147 |
if (input_size < 2) |
|
1148 |
return FALSE; |
|
1149 |
||
1150 |
rate = ((input_data[0] & 0x7) << 1) | ((input_data[1] & 0x80) >> 7); |
|
1151 |
channels = (input_data[1] & 0x78) >> 3; |
|
1152 |
||
1153 |
if (rate == 0xd || rate == 0xe) /* Reserved values */ |
|
1154 |
return FALSE; |
|
1155 |
||
1156 |
if (channels == 0) /* Extended specifier: never seen one of these */ |
|
1157 |
return FALSE; |
|
1158 |
||
1159 |
return TRUE; |
|
1160 |
}
|
|
1161 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1162 |
static GstFlowReturn |
1163 |
gst_faad_chain (GstPad * pad, GstBuffer * buffer) |
|
1164 |
{
|
|
1165 |
GstFlowReturn ret = GST_FLOW_OK; |
|
1166 |
guint input_size; |
|
1167 |
guint skip_bytes = 0; |
|
1168 |
guchar *input_data; |
|
1169 |
GstFaad *faad; |
|
1170 |
GstBuffer *outbuf; |
|
1171 |
faacDecFrameInfo info; |
|
1172 |
void *out; |
|
1173 |
gboolean run_loop = TRUE; |
|
1174 |
guint sync_off; |
|
1175 |
||
1176 |
faad = GST_FAAD (gst_pad_get_parent (pad)); |
|
1177 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1178 |
GST_OBJECT_LOCK (faad); |
1179 |
faad->bytes_in += GST_BUFFER_SIZE (buffer); |
|
1180 |
GST_OBJECT_UNLOCK (faad); |
|
1181 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1182 |
if (GST_BUFFER_TIMESTAMP (buffer) != GST_CLOCK_TIME_NONE) { |
1183 |
/* some demuxers send multiple buffers in a row
|
|
1184 |
* with the same timestamp (e.g. matroskademux) */
|
|
1185 |
if (GST_BUFFER_TIMESTAMP (buffer) != faad->prev_ts) { |
|
1186 |
faad->next_ts = GST_BUFFER_TIMESTAMP (buffer); |
|
1187 |
faad->prev_ts = GST_BUFFER_TIMESTAMP (buffer); |
|
1188 |
}
|
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1189 |
GST_LOG_OBJECT (faad, "Timestamp on incoming buffer: %" GST_TIME_FORMAT |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1190 |
", next_ts: %" GST_TIME_FORMAT, |
1191 |
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)), |
|
1192 |
GST_TIME_ARGS (faad->next_ts)); |
|
1193 |
}
|
|
1194 |
/* buffer + remaining data */
|
|
1195 |
if (faad->tempbuf) { |
|
1196 |
buffer = gst_buffer_join (faad->tempbuf, buffer); |
|
1197 |
faad->tempbuf = NULL; |
|
1198 |
}
|
|
1199 |
||
1200 |
input_data = GST_BUFFER_DATA (buffer); |
|
1201 |
input_size = GST_BUFFER_SIZE (buffer); |
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1202 |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1203 |
if (!faad->packetised) { |
1204 |
if (!gst_faad_sync (buffer, &sync_off)) { |
|
1205 |
goto next; |
|
1206 |
} else { |
|
1207 |
input_data += sync_off; |
|
1208 |
input_size -= sync_off; |
|
1209 |
}
|
|
1210 |
}
|
|
1211 |
||
1212 |
/* init if not already done during capsnego */
|
|
1213 |
if (!faad->init) { |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1214 |
guint32 rate; |
1215 |
guint8 ch; |
|
1216 |
||
1217 |
GST_DEBUG_OBJECT (faad, "initialising ..."); |
|
1.1.3
by Sebastian Dröge
Import upstream version 0.10.3 |
1218 |
/* We check if the first data looks like it might plausibly contain
|
1219 |
* appropriate initialisation info... if not, we use our fake_codec_data
|
|
1220 |
*/
|
|
1221 |
if (looks_like_valid_header (input_data, input_size) || !faad->packetised) { |
|
1222 |
if (faacDecInit (faad->handle, input_data, input_size, &rate, &ch) < 0) |
|
1223 |
goto init_failed; |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1224 |
|
1.1.3
by Sebastian Dröge
Import upstream version 0.10.3 |
1225 |
GST_DEBUG_OBJECT (faad, "faacDecInit() ok: rate=%u,channels=%u", rate, |
1226 |
ch); |
|
1227 |
} else { |
|
1228 |
if ((gint8) faacDecInit2 (faad->handle, faad->fake_codec_data, 2, |
|
1229 |
&rate, &ch) < 0) { |
|
1230 |
goto init2_failed; |
|
1231 |
}
|
|
1232 |
GST_DEBUG_OBJECT (faad, "faacDecInit2() ok: rate=%u,channels=%u", rate, |
|
1233 |
ch); |
|
1234 |
}
|
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1235 |
|
1236 |
skip_bytes = 0; |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1237 |
faad->init = TRUE; |
1238 |
||
1239 |
/* make sure we create new caps below */
|
|
1240 |
faad->samplerate = 0; |
|
1241 |
faad->channels = 0; |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1242 |
gst_faad_send_tags (faad); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1243 |
}
|
1244 |
||
1245 |
/* decode cycle */
|
|
1246 |
info.bytesconsumed = input_size - skip_bytes; |
|
1247 |
info.error = 0; |
|
1248 |
||
1249 |
if (!faad->packetised) { |
|
1250 |
/* We must check that ourselves for raw stream */
|
|
1251 |
run_loop = (input_size >= FAAD_MIN_STREAMSIZE); |
|
1252 |
}
|
|
1253 |
||
1254 |
while ((input_size > 0) && run_loop) { |
|
1255 |
||
1256 |
if (faad->packetised) { |
|
1257 |
/* Only one packet per buffer, no matter how much is really consumed */
|
|
1258 |
run_loop = FALSE; |
|
1259 |
} else { |
|
1260 |
if (input_size < FAAD_MIN_STREAMSIZE || info.bytesconsumed <= 0) { |
|
1261 |
break; |
|
1262 |
}
|
|
1263 |
}
|
|
1264 |
||
1265 |
out = faacDecDecode (faad->handle, &info, input_data + skip_bytes, |
|
1266 |
input_size - skip_bytes); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1267 |
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1268 |
if (info.error > 0) { |
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1269 |
guint32 rate; |
1270 |
guint8 ch; |
|
1271 |
||
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1272 |
GST_DEBUG_OBJECT (faad, "decoding error: %s", |
1273 |
faacDecGetErrorMessage (info.error)); |
|
1274 |
||
1275 |
goto out; |
|
1276 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1277 |
if (!faad->packetised) |
1278 |
goto decode_error; |
|
1279 |
||
1280 |
/* decode error? try again using faacDecInit2
|
|
1281 |
* fabricated private codec data from sink caps */
|
|
1282 |
gst_faad_close_decoder (faad); |
|
1283 |
if (!gst_faad_open_decoder (faad)) |
|
1284 |
goto init2_failed; |
|
1285 |
||
1286 |
GST_DEBUG_OBJECT (faad, "decoding error, reopening with faacDecInit2()"); |
|
1287 |
if ((gint8) faacDecInit2 (faad->handle, faad->fake_codec_data, 2, |
|
1288 |
&rate, &ch) < 0) { |
|
1289 |
goto init2_failed; |
|
1290 |
}
|
|
1291 |
||
1292 |
GST_DEBUG_OBJECT (faad, "faacDecInit2(): rate=%d,channels=%d", rate, ch); |
|
1293 |
||
1294 |
/* let's try again */
|
|
1295 |
info.error = 0; |
|
1296 |
out = faacDecDecode (faad->handle, &info, input_data + skip_bytes, |
|
1297 |
input_size - skip_bytes); |
|
1298 |
||
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1299 |
if (info.error) { |
1300 |
faad->error_count++; |
|
1301 |
if (faad->error_count >= MAX_DECODE_ERRORS) |
|
1302 |
goto decode_error; |
|
1303 |
GST_DEBUG_OBJECT (faad, |
|
1304 |
"Failed to decode buffer: %s, count = %d, trying to resync", |
|
1305 |
faacDecGetErrorMessage (info.error), faad->error_count); |
|
1306 |
continue; |
|
1307 |
}
|
|
1308 |
||
1309 |
faad->error_count = 0; /* all fine, reset error counter */ |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1310 |
}
|
1311 |
||
1312 |
if (info.bytesconsumed > input_size) |
|
1313 |
info.bytesconsumed = input_size; |
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1314 |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1315 |
input_size -= info.bytesconsumed; |
1316 |
input_data += info.bytesconsumed; |
|
1317 |
||
1318 |
if (out && info.samples > 0) { |
|
1319 |
gboolean fmt_change = FALSE; |
|
1320 |
||
1321 |
/* see if we need to renegotiate */
|
|
1322 |
if (info.samplerate != faad->samplerate || |
|
1323 |
info.channels != faad->channels || !faad->channel_positions) { |
|
1324 |
fmt_change = TRUE; |
|
1325 |
} else { |
|
1326 |
gint i; |
|
1327 |
||
1328 |
for (i = 0; i < info.channels; i++) { |
|
1329 |
if (info.channel_position[i] != faad->channel_positions[i]) |
|
1330 |
fmt_change = TRUE; |
|
1331 |
}
|
|
1332 |
}
|
|
1333 |
||
1334 |
if (fmt_change) { |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1335 |
if (!gst_faad_update_caps (faad, &info)) { |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1336 |
GST_ELEMENT_ERROR (faad, CORE, NEGOTIATION, (NULL), |
1337 |
("Setting caps on source pad failed")); |
|
1338 |
ret = GST_FLOW_ERROR; |
|
1339 |
goto out; |
|
1340 |
}
|
|
1341 |
}
|
|
1342 |
||
1343 |
/* play decoded data */
|
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1344 |
if (info.samples > 0) { |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1345 |
guint bufsize = info.samples * faad->bps; |
1346 |
guint num_samples = info.samples / faad->channels; |
|
1347 |
||
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1348 |
GST_DEBUG_OBJECT (faad, "decoded %d samples", info.samples); |
1349 |
||
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1350 |
/* note: info.samples is total samples, not per channel */
|
1351 |
ret = |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1352 |
gst_pad_alloc_buffer_and_set_caps (faad->srcpad, 0, bufsize, |
1353 |
GST_PAD_CAPS (faad->srcpad), &outbuf); |
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1354 |
if (ret != GST_FLOW_OK) |
1355 |
goto out; |
|
1356 |
||
1357 |
memcpy (GST_BUFFER_DATA (outbuf), out, GST_BUFFER_SIZE (outbuf)); |
|
1358 |
GST_BUFFER_OFFSET (outbuf) = |
|
1359 |
GST_CLOCK_TIME_TO_FRAMES (faad->next_ts, faad->samplerate); |
|
1360 |
GST_BUFFER_TIMESTAMP (outbuf) = faad->next_ts; |
|
1361 |
GST_BUFFER_DURATION (outbuf) = |
|
1362 |
GST_FRAMES_TO_CLOCK_TIME (num_samples, faad->samplerate); |
|
1363 |
||
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1364 |
GST_OBJECT_LOCK (faad); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1365 |
faad->next_ts += GST_BUFFER_DURATION (outbuf); |
1366 |
faad->sum_dur_out += GST_BUFFER_DURATION (outbuf); |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1367 |
GST_OBJECT_UNLOCK (faad); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1368 |
|
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1369 |
if ((outbuf = gst_audio_buffer_clip (outbuf, faad->segment, |
1370 |
faad->samplerate, faad->bps * faad->channels))) { |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1371 |
GST_LOG_OBJECT (faad, |
1372 |
"pushing buffer, off=%" G_GUINT64_FORMAT ", ts=%" GST_TIME_FORMAT, |
|
1373 |
GST_BUFFER_OFFSET (outbuf), |
|
1374 |
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf))); |
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1375 |
ret = gst_pad_push (faad->srcpad, outbuf); |
1376 |
if (ret != GST_FLOW_OK) |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1377 |
goto out; |
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1378 |
}
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1379 |
}
|
1380 |
}
|
|
1381 |
}
|
|
1382 |
||
1383 |
next: |
|
1384 |
||
1385 |
/* Keep the leftovers in raw stream */
|
|
1386 |
if (input_size > 0 && !faad->packetised) { |
|
1387 |
if (input_size < GST_BUFFER_SIZE (buffer)) { |
|
1388 |
faad->tempbuf = gst_buffer_create_sub (buffer, |
|
1389 |
GST_BUFFER_SIZE (buffer) - input_size, input_size); |
|
1390 |
} else { |
|
1391 |
faad->tempbuf = buffer; |
|
1392 |
gst_buffer_ref (buffer); |
|
1393 |
}
|
|
1394 |
}
|
|
1395 |
||
1396 |
out: |
|
1397 |
||
1398 |
gst_buffer_unref (buffer); |
|
1399 |
gst_object_unref (faad); |
|
1400 |
||
1401 |
return ret; |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1402 |
|
1403 |
/* ERRORS */
|
|
1404 |
init_failed: |
|
1405 |
{
|
|
1406 |
GST_ELEMENT_ERROR (faad, STREAM, DECODE, (NULL), |
|
1407 |
("Failed to init decoder from stream")); |
|
1408 |
ret = GST_FLOW_ERROR; |
|
1409 |
goto out; |
|
1410 |
}
|
|
1411 |
init2_failed: |
|
1412 |
{
|
|
1413 |
GST_ELEMENT_ERROR (faad, STREAM, DECODE, (NULL), |
|
1414 |
("%s() failed", (faad->handle) ? "faacDecInit2" : "faacDecOpen")); |
|
1415 |
ret = GST_FLOW_ERROR; |
|
1416 |
goto out; |
|
1417 |
}
|
|
1418 |
decode_error: |
|
1419 |
{
|
|
1420 |
GST_ELEMENT_ERROR (faad, STREAM, DECODE, (NULL), |
|
1421 |
("Failed to decode buffer: %s", faacDecGetErrorMessage (info.error))); |
|
1422 |
ret = GST_FLOW_ERROR; |
|
1423 |
goto out; |
|
1424 |
}
|
|
1425 |
}
|
|
1426 |
||
1427 |
static gboolean |
|
1428 |
gst_faad_open_decoder (GstFaad * faad) |
|
1429 |
{
|
|
1430 |
faacDecConfiguration *conf; |
|
1431 |
||
1432 |
faad->handle = faacDecOpen (); |
|
1433 |
||
1434 |
if (faad->handle == NULL) { |
|
1435 |
GST_WARNING_OBJECT (faad, "faacDecOpen() failed"); |
|
1436 |
return FALSE; |
|
1437 |
}
|
|
1438 |
||
1439 |
conf = faacDecGetCurrentConfiguration (faad->handle); |
|
1440 |
conf->defObjectType = LC; |
|
1.1.7
by Sebastian Dröge
Import upstream version 0.10.4+cvs20070502 |
1441 |
conf->dontUpSampleImplicitSBR = 1; |
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1442 |
conf->outputFormat = FAAD_FMT_16BIT; |
1443 |
||
1444 |
if (faacDecSetConfiguration (faad->handle, conf) == 0) { |
|
1445 |
GST_WARNING_OBJECT (faad, "faacDecSetConfiguration() failed"); |
|
1446 |
return FALSE; |
|
1447 |
}
|
|
1448 |
||
1449 |
return TRUE; |
|
1450 |
}
|
|
1451 |
||
1452 |
static void |
|
1453 |
gst_faad_close_decoder (GstFaad * faad) |
|
1454 |
{
|
|
1.1.6
by Sebastian Dröge
Import upstream version 0.10.4 |
1455 |
if (faad->handle) { |
1456 |
faacDecClose (faad->handle); |
|
1457 |
faad->handle = NULL; |
|
1458 |
}
|
|
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1459 |
}
|
1460 |
||
1461 |
static GstStateChangeReturn |
|
1462 |
gst_faad_change_state (GstElement * element, GstStateChange transition) |
|
1463 |
{
|
|
1464 |
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; |
|
1465 |
GstFaad *faad = GST_FAAD (element); |
|
1466 |
||
1467 |
switch (transition) { |
|
1468 |
case GST_STATE_CHANGE_NULL_TO_READY: |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1469 |
if (!gst_faad_open_decoder (faad)) |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1470 |
return GST_STATE_CHANGE_FAILURE; |
1471 |
break; |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1472 |
case GST_STATE_CHANGE_READY_TO_PAUSED: |
1.1.10
by Sebastian Dröge
Import upstream version 0.10.5.3 |
1473 |
gst_segment_init (faad->segment, GST_FORMAT_TIME); |
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1474 |
break; |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1475 |
default: |
1476 |
break; |
|
1477 |
}
|
|
1478 |
||
1479 |
if (GST_ELEMENT_CLASS (parent_class)->change_state) |
|
1480 |
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); |
|
1481 |
||
1482 |
switch (transition) { |
|
1483 |
case GST_STATE_CHANGE_PAUSED_TO_READY: |
|
1484 |
faad->samplerate = -1; |
|
1485 |
faad->channels = -1; |
|
1486 |
faad->need_channel_setup = TRUE; |
|
1487 |
faad->init = FALSE; |
|
1488 |
g_free (faad->channel_positions); |
|
1489 |
faad->channel_positions = NULL; |
|
1490 |
faad->next_ts = 0; |
|
1491 |
faad->prev_ts = GST_CLOCK_TIME_NONE; |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1492 |
faad->bytes_in = 0; |
1493 |
faad->sum_dur_out = 0; |
|
1.1.4
by Sebastian Dröge
Import upstream version 0.10.3+cvs20060814 |
1494 |
faad->error_count = 0; |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1495 |
break; |
1496 |
case GST_STATE_CHANGE_READY_TO_NULL: |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1497 |
gst_faad_close_decoder (faad); |
1
by Sebastian Dröge
Import upstream version 0.10.0.3 |
1498 |
if (faad->tempbuf) { |
1499 |
gst_buffer_unref (faad->tempbuf); |
|
1500 |
faad->tempbuf = NULL; |
|
1501 |
}
|
|
1502 |
break; |
|
1503 |
default: |
|
1504 |
break; |
|
1505 |
}
|
|
1506 |
||
1507 |
return ret; |
|
1508 |
}
|
|
1509 |
||
1510 |
static gboolean |
|
1511 |
plugin_init (GstPlugin * plugin) |
|
1512 |
{
|
|
1513 |
return gst_element_register (plugin, "faad", GST_RANK_PRIMARY, GST_TYPE_FAAD); |
|
1514 |
}
|
|
1515 |
||
1516 |
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, |
|
1517 |
GST_VERSION_MINOR, |
|
1518 |
"faad", |
|
1519 |
"Free AAC Decoder (FAAD)", |
|
1.1.2
by Sebastian Dröge
Import upstream version 0.10.1+cvs20060428 |
1520 |
plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) |