Fixes trac #4828
Rodger Combs authored on 2016/02/24 12:01:24... | ... |
@@ -2661,6 +2661,16 @@ pcm_alaw_at_decoder_deps="audiotoolbox" |
2661 | 2661 |
pcm_mulaw_at_decoder_deps="audiotoolbox" |
2662 | 2662 |
qdmc_at_decoder_deps="audiotoolbox" |
2663 | 2663 |
qdm2_at_decoder_deps="audiotoolbox" |
2664 |
+aac_at_encoder_deps="audiotoolbox" |
|
2665 |
+aac_at_encoder_select="audio_frame_queue" |
|
2666 |
+alac_at_encoder_deps="audiotoolbox" |
|
2667 |
+alac_at_encoder_select="audio_frame_queue" |
|
2668 |
+ilbc_at_encoder_deps="audiotoolbox" |
|
2669 |
+ilbc_at_encoder_select="audio_frame_queue" |
|
2670 |
+pcm_alaw_at_encoder_deps="audiotoolbox" |
|
2671 |
+pcm_alaw_at_encoder_select="audio_frame_queue" |
|
2672 |
+pcm_mulaw_at_encoder_deps="audiotoolbox" |
|
2673 |
+pcm_mulaw_at_encoder_select="audio_frame_queue" |
|
2664 | 2674 |
chromaprint_muxer_deps="chromaprint" |
2665 | 2675 |
h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads" |
2666 | 2676 |
libcelt_decoder_deps="libcelt" |
... | ... |
@@ -815,6 +815,11 @@ OBJS-$(CONFIG_PCM_MULAW_AT_DECODER) += audiotoolboxdec.o |
815 | 815 |
OBJS-$(CONFIG_PCM_ALAW_AT_DECODER) += audiotoolboxdec.o |
816 | 816 |
OBJS-$(CONFIG_QDMC_AT_DECODER) += audiotoolboxdec.o |
817 | 817 |
OBJS-$(CONFIG_QDM2_AT_DECODER) += audiotoolboxdec.o |
818 |
+OBJS-$(CONFIG_AAC_AT_ENCODER) += audiotoolboxenc.o |
|
819 |
+OBJS-$(CONFIG_ALAC_AT_ENCODER) += audiotoolboxenc.o |
|
820 |
+OBJS-$(CONFIG_ILBC_AT_ENCODER) += audiotoolboxenc.o |
|
821 |
+OBJS-$(CONFIG_PCM_ALAW_AT_ENCODER) += audiotoolboxenc.o |
|
822 |
+OBJS-$(CONFIG_PCM_MULAW_AT_ENCODER) += audiotoolboxenc.o |
|
818 | 823 |
OBJS-$(CONFIG_LIBCELT_DECODER) += libcelt_dec.o |
819 | 824 |
OBJS-$(CONFIG_LIBDCADEC_DECODER) += libdcadec.o dca.o |
820 | 825 |
OBJS-$(CONFIG_LIBFAAC_ENCODER) += libfaac.o |
... | ... |
@@ -563,18 +563,18 @@ void avcodec_register_all(void) |
563 | 563 |
REGISTER_ENCDEC (XSUB, xsub); |
564 | 564 |
|
565 | 565 |
/* external libraries */ |
566 |
- REGISTER_DECODER(AAC_AT, aac_at); |
|
566 |
+ REGISTER_ENCDEC (AAC_AT, aac_at); |
|
567 | 567 |
REGISTER_DECODER(AC3_AT, ac3_at); |
568 | 568 |
REGISTER_DECODER(ADPCM_IMA_QT_AT, adpcm_ima_qt_at); |
569 |
- REGISTER_DECODER(ALAC_AT, alac_at); |
|
569 |
+ REGISTER_ENCDEC (ALAC_AT, alac_at); |
|
570 | 570 |
REGISTER_DECODER(AMR_NB_AT, amr_nb_at); |
571 | 571 |
REGISTER_DECODER(GSM_MS_AT, gsm_ms_at); |
572 |
- REGISTER_DECODER(ILBC_AT, ilbc_at); |
|
572 |
+ REGISTER_ENCDEC (ILBC_AT, ilbc_at); |
|
573 | 573 |
REGISTER_DECODER(MP1_AT, mp1_at); |
574 | 574 |
REGISTER_DECODER(MP2_AT, mp2_at); |
575 | 575 |
REGISTER_DECODER(MP3_AT, mp3_at); |
576 |
- REGISTER_DECODER(PCM_ALAW_AT, pcm_alaw_at); |
|
577 |
- REGISTER_DECODER(PCM_MULAW_AT, pcm_mulaw_at); |
|
576 |
+ REGISTER_ENCDEC (PCM_ALAW_AT, pcm_alaw_at); |
|
577 |
+ REGISTER_ENCDEC (PCM_MULAW_AT, pcm_mulaw_at); |
|
578 | 578 |
REGISTER_DECODER(QDMC_AT, qdmc_at); |
579 | 579 |
REGISTER_DECODER(QDM2_AT, qdm2_at); |
580 | 580 |
REGISTER_DECODER(LIBCELT, libcelt); |
581 | 581 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,471 @@ |
0 |
+/* |
|
1 |
+ * Audio Toolbox system codecs |
|
2 |
+ * |
|
3 |
+ * copyright (c) 2016 Rodger Combs |
|
4 |
+ * |
|
5 |
+ * This file is part of FFmpeg. |
|
6 |
+ * |
|
7 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
8 |
+ * modify it under the terms of the GNU Lesser General Public |
|
9 |
+ * License as published by the Free Software Foundation; either |
|
10 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
11 |
+ * |
|
12 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
13 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
14 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
15 |
+ * Lesser General Public License for more details. |
|
16 |
+ * |
|
17 |
+ * You should have received a copy of the GNU Lesser General Public |
|
18 |
+ * License along with FFmpeg; if not, write to the Free Software |
|
19 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
20 |
+ */ |
|
21 |
+ |
|
22 |
+#include <AudioToolbox/AudioToolbox.h> |
|
23 |
+ |
|
24 |
+#include "config.h" |
|
25 |
+#include "audio_frame_queue.h" |
|
26 |
+#include "avcodec.h" |
|
27 |
+#include "bytestream.h" |
|
28 |
+#include "internal.h" |
|
29 |
+#include "libavformat/isom.h" |
|
30 |
+#include "libavutil/avassert.h" |
|
31 |
+#include "libavutil/opt.h" |
|
32 |
+#include "libavutil/log.h" |
|
33 |
+ |
|
34 |
+typedef struct ATDecodeContext { |
|
35 |
+ AVClass *av_class; |
|
36 |
+ int mode; |
|
37 |
+ int quality; |
|
38 |
+ |
|
39 |
+ AudioConverterRef converter; |
|
40 |
+ AudioStreamPacketDescription pkt_desc; |
|
41 |
+ AVFrame in_frame; |
|
42 |
+ AVFrame new_in_frame; |
|
43 |
+ |
|
44 |
+ unsigned pkt_size; |
|
45 |
+ AudioFrameQueue afq; |
|
46 |
+ int eof; |
|
47 |
+ int frame_size; |
|
48 |
+} ATDecodeContext; |
|
49 |
+ |
|
50 |
+static UInt32 ffat_get_format_id(enum AVCodecID codec, int profile) |
|
51 |
+{ |
|
52 |
+ switch (codec) { |
|
53 |
+ case AV_CODEC_ID_AAC: |
|
54 |
+ switch (profile) { |
|
55 |
+ case FF_PROFILE_AAC_LOW: |
|
56 |
+ default: |
|
57 |
+ return kAudioFormatMPEG4AAC; |
|
58 |
+ case FF_PROFILE_AAC_HE: |
|
59 |
+ return kAudioFormatMPEG4AAC_HE; |
|
60 |
+ case FF_PROFILE_AAC_HE_V2: |
|
61 |
+ return kAudioFormatMPEG4AAC_HE_V2; |
|
62 |
+ case FF_PROFILE_AAC_LD: |
|
63 |
+ return kAudioFormatMPEG4AAC_LD; |
|
64 |
+ case FF_PROFILE_AAC_ELD: |
|
65 |
+ return kAudioFormatMPEG4AAC_ELD; |
|
66 |
+ } |
|
67 |
+ case AV_CODEC_ID_ADPCM_IMA_QT: |
|
68 |
+ return kAudioFormatAppleIMA4; |
|
69 |
+ case AV_CODEC_ID_ALAC: |
|
70 |
+ return kAudioFormatAppleLossless; |
|
71 |
+ case AV_CODEC_ID_ILBC: |
|
72 |
+ return kAudioFormatiLBC; |
|
73 |
+ case AV_CODEC_ID_PCM_ALAW: |
|
74 |
+ return kAudioFormatALaw; |
|
75 |
+ case AV_CODEC_ID_PCM_MULAW: |
|
76 |
+ return kAudioFormatULaw; |
|
77 |
+ default: |
|
78 |
+ av_assert0(!"Invalid codec ID!"); |
|
79 |
+ return 0; |
|
80 |
+ } |
|
81 |
+} |
|
82 |
+ |
|
83 |
+static void ffat_update_ctx(AVCodecContext *avctx) |
|
84 |
+{ |
|
85 |
+ ATDecodeContext *at = avctx->priv_data; |
|
86 |
+ UInt32 size = sizeof(unsigned); |
|
87 |
+ AudioConverterPrimeInfo prime_info; |
|
88 |
+ AudioStreamBasicDescription out_format; |
|
89 |
+ |
|
90 |
+ AudioConverterGetProperty(at->converter, |
|
91 |
+ kAudioConverterPropertyMaximumOutputPacketSize, |
|
92 |
+ &size, &at->pkt_size); |
|
93 |
+ |
|
94 |
+ if (at->pkt_size <= 0) |
|
95 |
+ at->pkt_size = 1024 * 50; |
|
96 |
+ |
|
97 |
+ size = sizeof(prime_info); |
|
98 |
+ |
|
99 |
+ if (!AudioConverterGetProperty(at->converter, |
|
100 |
+ kAudioConverterPrimeInfo, |
|
101 |
+ &size, &prime_info)) { |
|
102 |
+ avctx->initial_padding = prime_info.leadingFrames; |
|
103 |
+ } |
|
104 |
+ |
|
105 |
+ size = sizeof(out_format); |
|
106 |
+ if (!AudioConverterGetProperty(at->converter, |
|
107 |
+ kAudioConverterCurrentOutputStreamDescription, |
|
108 |
+ &size, &out_format)) { |
|
109 |
+ if (out_format.mFramesPerPacket) |
|
110 |
+ avctx->frame_size = out_format.mFramesPerPacket; |
|
111 |
+ if (out_format.mBytesPerPacket && avctx->codec_id == AV_CODEC_ID_ILBC) |
|
112 |
+ avctx->block_align = out_format.mBytesPerPacket; |
|
113 |
+ } |
|
114 |
+ |
|
115 |
+ at->frame_size = avctx->frame_size; |
|
116 |
+ if (avctx->codec_id == AV_CODEC_ID_PCM_MULAW || |
|
117 |
+ avctx->codec_id == AV_CODEC_ID_PCM_ALAW) { |
|
118 |
+ at->pkt_size *= 1024; |
|
119 |
+ avctx->frame_size *= 1024; |
|
120 |
+ } |
|
121 |
+} |
|
122 |
+ |
|
123 |
+static int read_descr(GetByteContext *gb, int *tag) |
|
124 |
+{ |
|
125 |
+ int len = 0; |
|
126 |
+ int count = 4; |
|
127 |
+ *tag = bytestream2_get_byte(gb); |
|
128 |
+ while (count--) { |
|
129 |
+ int c = bytestream2_get_byte(gb); |
|
130 |
+ len = (len << 7) | (c & 0x7f); |
|
131 |
+ if (!(c & 0x80)) |
|
132 |
+ break; |
|
133 |
+ } |
|
134 |
+ return len; |
|
135 |
+} |
|
136 |
+ |
|
137 |
+static int get_ilbc_mode(AVCodecContext *avctx) |
|
138 |
+{ |
|
139 |
+ if (avctx->block_align == 38) |
|
140 |
+ return 20; |
|
141 |
+ else if (avctx->block_align == 50) |
|
142 |
+ return 30; |
|
143 |
+ else if (avctx->bit_rate > 0) |
|
144 |
+ return avctx->bit_rate <= 14000 ? 30 : 20; |
|
145 |
+ else |
|
146 |
+ return 30; |
|
147 |
+} |
|
148 |
+ |
|
149 |
+static av_cold int ffat_init_encoder(AVCodecContext *avctx) |
|
150 |
+{ |
|
151 |
+ ATDecodeContext *at = avctx->priv_data; |
|
152 |
+ OSStatus status; |
|
153 |
+ |
|
154 |
+ AudioStreamBasicDescription in_format = { |
|
155 |
+ .mSampleRate = avctx->sample_rate, |
|
156 |
+ .mFormatID = kAudioFormatLinearPCM, |
|
157 |
+ .mFormatFlags = ((avctx->sample_fmt == AV_SAMPLE_FMT_FLT || |
|
158 |
+ avctx->sample_fmt == AV_SAMPLE_FMT_DBL) ? kAudioFormatFlagIsFloat |
|
159 |
+ : avctx->sample_fmt == AV_SAMPLE_FMT_U8 ? 0 |
|
160 |
+ : kAudioFormatFlagIsSignedInteger) |
|
161 |
+ | kAudioFormatFlagIsPacked, |
|
162 |
+ .mBytesPerPacket = av_get_bytes_per_sample(avctx->sample_fmt) * avctx->channels, |
|
163 |
+ .mFramesPerPacket = 1, |
|
164 |
+ .mBytesPerFrame = av_get_bytes_per_sample(avctx->sample_fmt) * avctx->channels, |
|
165 |
+ .mChannelsPerFrame = avctx->channels, |
|
166 |
+ .mBitsPerChannel = av_get_bytes_per_sample(avctx->sample_fmt) * 8, |
|
167 |
+ }; |
|
168 |
+ AudioStreamBasicDescription out_format = { |
|
169 |
+ .mSampleRate = avctx->sample_rate, |
|
170 |
+ .mFormatID = ffat_get_format_id(avctx->codec_id, avctx->profile), |
|
171 |
+ .mChannelsPerFrame = in_format.mChannelsPerFrame, |
|
172 |
+ }; |
|
173 |
+ AudioChannelLayout channel_layout = { |
|
174 |
+ .mChannelLayoutTag = kAudioChannelLayoutTag_UseChannelBitmap, |
|
175 |
+ .mChannelBitmap = avctx->channel_layout, |
|
176 |
+ }; |
|
177 |
+ UInt32 size = sizeof(channel_layout); |
|
178 |
+ |
|
179 |
+ if (avctx->codec_id == AV_CODEC_ID_ILBC) { |
|
180 |
+ int mode = get_ilbc_mode(avctx); |
|
181 |
+ out_format.mFramesPerPacket = 8000 * mode / 1000; |
|
182 |
+ out_format.mBytesPerPacket = (mode == 20 ? 38 : 50); |
|
183 |
+ } |
|
184 |
+ |
|
185 |
+ status = AudioConverterNew(&in_format, &out_format, &at->converter); |
|
186 |
+ |
|
187 |
+ if (status != 0) { |
|
188 |
+ av_log(avctx, AV_LOG_ERROR, "AudioToolbox init error: %i\n", (int)status); |
|
189 |
+ return AVERROR_UNKNOWN; |
|
190 |
+ } |
|
191 |
+ |
|
192 |
+ size = sizeof(UInt32); |
|
193 |
+ |
|
194 |
+ AudioConverterSetProperty(at->converter, kAudioConverterInputChannelLayout, |
|
195 |
+ size, &channel_layout); |
|
196 |
+ AudioConverterSetProperty(at->converter, kAudioConverterOutputChannelLayout, |
|
197 |
+ size, &channel_layout); |
|
198 |
+ |
|
199 |
+ if (avctx->bits_per_raw_sample) { |
|
200 |
+ size = sizeof(avctx->bits_per_raw_sample); |
|
201 |
+ AudioConverterSetProperty(at->converter, |
|
202 |
+ kAudioConverterPropertyBitDepthHint, |
|
203 |
+ size, &avctx->bits_per_raw_sample); |
|
204 |
+ } |
|
205 |
+ |
|
206 |
+ if (at->mode == -1) |
|
207 |
+ at->mode = (avctx->flags & AV_CODEC_FLAG_QSCALE) ? |
|
208 |
+ kAudioCodecBitRateControlMode_Variable : |
|
209 |
+ kAudioCodecBitRateControlMode_Constant; |
|
210 |
+ |
|
211 |
+ AudioConverterSetProperty(at->converter, kAudioCodecPropertyBitRateControlMode, |
|
212 |
+ size, &at->mode); |
|
213 |
+ |
|
214 |
+ if (at->mode == kAudioCodecBitRateControlMode_Variable) { |
|
215 |
+ int q = avctx->global_quality / FF_QP2LAMBDA; |
|
216 |
+ if (q < 0 || q > 14) { |
|
217 |
+ av_log(avctx, AV_LOG_WARNING, |
|
218 |
+ "VBR quality %d out of range, should be 0-14\n", q); |
|
219 |
+ q = av_clip(q, 0, 14); |
|
220 |
+ } |
|
221 |
+ q = 127 - q * 9; |
|
222 |
+ AudioConverterSetProperty(at->converter, kAudioCodecPropertySoundQualityForVBR, |
|
223 |
+ size, &q); |
|
224 |
+ } else if (avctx->bit_rate > 0) { |
|
225 |
+ UInt32 rate = avctx->bit_rate; |
|
226 |
+ AudioConverterSetProperty(at->converter, kAudioConverterEncodeBitRate, |
|
227 |
+ size, &rate); |
|
228 |
+ } |
|
229 |
+ |
|
230 |
+ at->quality = 96 - at->quality * 32; |
|
231 |
+ AudioConverterSetProperty(at->converter, kAudioConverterCodecQuality, |
|
232 |
+ size, &at->quality); |
|
233 |
+ |
|
234 |
+ if (!AudioConverterGetPropertyInfo(at->converter, kAudioConverterCompressionMagicCookie, |
|
235 |
+ &avctx->extradata_size, NULL) && |
|
236 |
+ avctx->extradata_size) { |
|
237 |
+ int extradata_size = avctx->extradata_size; |
|
238 |
+ uint8_t *extradata; |
|
239 |
+ if (!(avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE))) |
|
240 |
+ return AVERROR(ENOMEM); |
|
241 |
+ if (avctx->codec_id == AV_CODEC_ID_ALAC) { |
|
242 |
+ avctx->extradata_size = 0x24; |
|
243 |
+ AV_WB32(avctx->extradata, 0x24); |
|
244 |
+ AV_WB32(avctx->extradata + 4, MKBETAG('a','l','a','c')); |
|
245 |
+ extradata = avctx->extradata + 12; |
|
246 |
+ avctx->extradata_size = 0x24; |
|
247 |
+ } else { |
|
248 |
+ extradata = avctx->extradata; |
|
249 |
+ } |
|
250 |
+ status = AudioConverterGetProperty(at->converter, |
|
251 |
+ kAudioConverterCompressionMagicCookie, |
|
252 |
+ &extradata_size, extradata); |
|
253 |
+ if (status != 0) { |
|
254 |
+ av_log(avctx, AV_LOG_ERROR, "AudioToolbox cookie error: %i\n", (int)status); |
|
255 |
+ return AVERROR_UNKNOWN; |
|
256 |
+ } else if (avctx->codec_id == AV_CODEC_ID_AAC) { |
|
257 |
+ GetByteContext gb; |
|
258 |
+ int tag, len; |
|
259 |
+ bytestream2_init(&gb, extradata, extradata_size); |
|
260 |
+ do { |
|
261 |
+ len = read_descr(&gb, &tag); |
|
262 |
+ if (tag == MP4DecConfigDescrTag) { |
|
263 |
+ bytestream2_skip(&gb, 13); |
|
264 |
+ len = read_descr(&gb, &tag); |
|
265 |
+ if (tag == MP4DecSpecificDescrTag) { |
|
266 |
+ len = FFMIN(gb.buffer_end - gb.buffer, len); |
|
267 |
+ memmove(extradata, gb.buffer, len); |
|
268 |
+ avctx->extradata_size = len; |
|
269 |
+ break; |
|
270 |
+ } |
|
271 |
+ } else if (tag == MP4ESDescrTag) { |
|
272 |
+ int flags; |
|
273 |
+ bytestream2_skip(&gb, 2); |
|
274 |
+ flags = bytestream2_get_byte(&gb); |
|
275 |
+ if (flags & 0x80) //streamDependenceFlag |
|
276 |
+ bytestream2_skip(&gb, 2); |
|
277 |
+ if (flags & 0x40) //URL_Flag |
|
278 |
+ bytestream2_skip(&gb, bytestream2_get_byte(&gb)); |
|
279 |
+ if (flags & 0x20) //OCRstreamFlag |
|
280 |
+ bytestream2_skip(&gb, 2); |
|
281 |
+ } |
|
282 |
+ } while (bytestream2_get_bytes_left(&gb)); |
|
283 |
+ } else if (avctx->codec_id != AV_CODEC_ID_ALAC) { |
|
284 |
+ avctx->extradata_size = extradata_size; |
|
285 |
+ } |
|
286 |
+ } |
|
287 |
+ |
|
288 |
+ ffat_update_ctx(avctx); |
|
289 |
+ |
|
290 |
+ if (at->mode == kAudioCodecBitRateControlMode_Variable && avctx->rc_max_rate) { |
|
291 |
+ int max_size = avctx->rc_max_rate * avctx->frame_size / avctx->sample_rate; |
|
292 |
+ if (max_size) |
|
293 |
+ AudioConverterSetProperty(at->converter, kAudioCodecPropertyPacketSizeLimitForVBR, |
|
294 |
+ size, &max_size); |
|
295 |
+ } |
|
296 |
+ |
|
297 |
+ ff_af_queue_init(avctx, &at->afq); |
|
298 |
+ |
|
299 |
+ return 0; |
|
300 |
+} |
|
301 |
+ |
|
302 |
+static OSStatus ffat_encode_callback(AudioConverterRef converter, UInt32 *nb_packets, |
|
303 |
+ AudioBufferList *data, |
|
304 |
+ AudioStreamPacketDescription **packets, |
|
305 |
+ void *inctx) |
|
306 |
+{ |
|
307 |
+ AVCodecContext *avctx = inctx; |
|
308 |
+ ATDecodeContext *at = avctx->priv_data; |
|
309 |
+ |
|
310 |
+ if (at->eof) { |
|
311 |
+ *nb_packets = 0; |
|
312 |
+ if (packets) { |
|
313 |
+ *packets = &at->pkt_desc; |
|
314 |
+ at->pkt_desc.mDataByteSize = 0; |
|
315 |
+ } |
|
316 |
+ return 0; |
|
317 |
+ } |
|
318 |
+ |
|
319 |
+ av_frame_unref(&at->in_frame); |
|
320 |
+ av_frame_move_ref(&at->in_frame, &at->new_in_frame); |
|
321 |
+ |
|
322 |
+ if (!at->in_frame.data[0]) { |
|
323 |
+ *nb_packets = 0; |
|
324 |
+ return 1; |
|
325 |
+ } |
|
326 |
+ |
|
327 |
+ data->mNumberBuffers = 1; |
|
328 |
+ data->mBuffers[0].mNumberChannels = 0; |
|
329 |
+ data->mBuffers[0].mDataByteSize = at->in_frame.nb_samples * |
|
330 |
+ av_get_bytes_per_sample(avctx->sample_fmt) * |
|
331 |
+ avctx->channels; |
|
332 |
+ data->mBuffers[0].mData = at->in_frame.data[0]; |
|
333 |
+ *nb_packets = (at->in_frame.nb_samples + (at->frame_size - 1)) / at->frame_size; |
|
334 |
+ |
|
335 |
+ if (packets) { |
|
336 |
+ *packets = &at->pkt_desc; |
|
337 |
+ at->pkt_desc.mDataByteSize = data->mBuffers[0].mDataByteSize; |
|
338 |
+ at->pkt_desc.mVariableFramesInPacket = at->in_frame.nb_samples; |
|
339 |
+ } |
|
340 |
+ |
|
341 |
+ return 0; |
|
342 |
+} |
|
343 |
+ |
|
344 |
+static int ffat_encode(AVCodecContext *avctx, AVPacket *avpkt, |
|
345 |
+ const AVFrame *frame, int *got_packet_ptr) |
|
346 |
+{ |
|
347 |
+ ATDecodeContext *at = avctx->priv_data; |
|
348 |
+ OSStatus ret; |
|
349 |
+ |
|
350 |
+ AudioBufferList out_buffers = { |
|
351 |
+ .mNumberBuffers = 1, |
|
352 |
+ .mBuffers = { |
|
353 |
+ { |
|
354 |
+ .mNumberChannels = avctx->channels, |
|
355 |
+ .mDataByteSize = at->pkt_size, |
|
356 |
+ } |
|
357 |
+ } |
|
358 |
+ }; |
|
359 |
+ AudioStreamPacketDescription out_pkt_desc = {0}; |
|
360 |
+ |
|
361 |
+ if ((ret = ff_alloc_packet2(avctx, avpkt, at->pkt_size, 0)) < 0) |
|
362 |
+ return ret; |
|
363 |
+ |
|
364 |
+ av_frame_unref(&at->new_in_frame); |
|
365 |
+ |
|
366 |
+ if (frame) { |
|
367 |
+ if ((ret = ff_af_queue_add(&at->afq, frame)) < 0) |
|
368 |
+ return ret; |
|
369 |
+ if ((ret = av_frame_ref(&at->new_in_frame, frame)) < 0) |
|
370 |
+ return ret; |
|
371 |
+ } else { |
|
372 |
+ at->eof = 1; |
|
373 |
+ } |
|
374 |
+ |
|
375 |
+ out_buffers.mBuffers[0].mData = avpkt->data; |
|
376 |
+ |
|
377 |
+ *got_packet_ptr = avctx->frame_size / at->frame_size; |
|
378 |
+ |
|
379 |
+ ret = AudioConverterFillComplexBuffer(at->converter, ffat_encode_callback, avctx, |
|
380 |
+ got_packet_ptr, &out_buffers, |
|
381 |
+ (avctx->frame_size > at->frame_size) ? NULL : &out_pkt_desc); |
|
382 |
+ if ((!ret || ret == 1) && *got_packet_ptr) { |
|
383 |
+ avpkt->size = out_buffers.mBuffers[0].mDataByteSize; |
|
384 |
+ ff_af_queue_remove(&at->afq, out_pkt_desc.mVariableFramesInPacket ? |
|
385 |
+ out_pkt_desc.mVariableFramesInPacket : |
|
386 |
+ avctx->frame_size, |
|
387 |
+ &avpkt->pts, |
|
388 |
+ &avpkt->duration); |
|
389 |
+ } else if (ret && ret != 1) { |
|
390 |
+ av_log(avctx, AV_LOG_WARNING, "Encode error: %i\n", ret); |
|
391 |
+ } |
|
392 |
+ |
|
393 |
+ return 0; |
|
394 |
+} |
|
395 |
+ |
|
396 |
+static av_cold void ffat_encode_flush(AVCodecContext *avctx) |
|
397 |
+{ |
|
398 |
+ ATDecodeContext *at = avctx->priv_data; |
|
399 |
+ AudioConverterReset(at->converter); |
|
400 |
+ av_frame_unref(&at->new_in_frame); |
|
401 |
+ av_frame_unref(&at->in_frame); |
|
402 |
+} |
|
403 |
+ |
|
404 |
+static av_cold int ffat_close_encoder(AVCodecContext *avctx) |
|
405 |
+{ |
|
406 |
+ ATDecodeContext *at = avctx->priv_data; |
|
407 |
+ AudioConverterDispose(at->converter); |
|
408 |
+ av_frame_unref(&at->new_in_frame); |
|
409 |
+ av_frame_unref(&at->in_frame); |
|
410 |
+ ff_af_queue_close(&at->afq); |
|
411 |
+ return 0; |
|
412 |
+} |
|
413 |
+ |
|
414 |
+static const AVProfile aac_profiles[] = { |
|
415 |
+ { FF_PROFILE_AAC_LOW, "LC" }, |
|
416 |
+ { FF_PROFILE_AAC_HE, "HE-AAC" }, |
|
417 |
+ { FF_PROFILE_AAC_HE_V2, "HE-AACv2" }, |
|
418 |
+ { FF_PROFILE_AAC_LD, "LD" }, |
|
419 |
+ { FF_PROFILE_AAC_ELD, "ELD" }, |
|
420 |
+ { FF_PROFILE_UNKNOWN }, |
|
421 |
+}; |
|
422 |
+ |
|
423 |
+#define AE AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
|
424 |
+static const AVOption options[] = { |
|
425 |
+ {"aac_at_mode", "ratecontrol mode", offsetof(ATDecodeContext, mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, kAudioCodecBitRateControlMode_Variable, AE, "mode"}, |
|
426 |
+ {"auto", "VBR if global quality is given; CBR otherwise", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, INT_MIN, INT_MAX, AE, "mode"}, |
|
427 |
+ {"cbr", "constant bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_Constant}, INT_MIN, INT_MAX, AE, "mode"}, |
|
428 |
+ {"abr", "long-term average bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_LongTermAverage}, INT_MIN, INT_MAX, AE, "mode"}, |
|
429 |
+ {"cvbr", "constrained variable bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_VariableConstrained}, INT_MIN, INT_MAX, AE, "mode"}, |
|
430 |
+ {"vbr" , "variable bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = kAudioCodecBitRateControlMode_Variable}, INT_MIN, INT_MAX, AE, "mode"}, |
|
431 |
+ {"aac_at_quality", "quality vs speed control", offsetof(ATDecodeContext, quality), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 2, AE}, |
|
432 |
+ { NULL }, |
|
433 |
+}; |
|
434 |
+ |
|
435 |
+#define FFAT_ENC_CLASS(NAME) \ |
|
436 |
+ static const AVClass ffat_##NAME##_enc_class = { \ |
|
437 |
+ .class_name = "at_" #NAME "_enc", \ |
|
438 |
+ .item_name = av_default_item_name, \ |
|
439 |
+ .option = options, \ |
|
440 |
+ .version = LIBAVUTIL_VERSION_INT, \ |
|
441 |
+ }; |
|
442 |
+ |
|
443 |
+#define FFAT_ENC(NAME, ID, PROFILES, ...) \ |
|
444 |
+ FFAT_ENC_CLASS(NAME) \ |
|
445 |
+ AVCodec ff_##NAME##_at_encoder = { \ |
|
446 |
+ .name = #NAME "_at", \ |
|
447 |
+ .long_name = NULL_IF_CONFIG_SMALL(#NAME " (AudioToolbox)"), \ |
|
448 |
+ .type = AVMEDIA_TYPE_AUDIO, \ |
|
449 |
+ .id = ID, \ |
|
450 |
+ .priv_data_size = sizeof(ATDecodeContext), \ |
|
451 |
+ .init = ffat_init_encoder, \ |
|
452 |
+ .close = ffat_close_encoder, \ |
|
453 |
+ .encode2 = ffat_encode, \ |
|
454 |
+ .flush = ffat_encode_flush, \ |
|
455 |
+ .priv_class = &ffat_##NAME##_enc_class, \ |
|
456 |
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY __VA_ARGS__, \ |
|
457 |
+ .sample_fmts = (const enum AVSampleFormat[]) { \ |
|
458 |
+ AV_SAMPLE_FMT_S16, \ |
|
459 |
+ AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_NONE \ |
|
460 |
+ }, \ |
|
461 |
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \ |
|
462 |
+ .profiles = PROFILES, \ |
|
463 |
+ }; |
|
464 |
+ |
|
465 |
+FFAT_ENC(aac, AV_CODEC_ID_AAC, aac_profiles) |
|
466 |
+//FFAT_ENC(adpcm_ima_qt, AV_CODEC_ID_ADPCM_IMA_QT, NULL) |
|
467 |
+FFAT_ENC(alac, AV_CODEC_ID_ALAC, NULL, | AV_CODEC_CAP_VARIABLE_FRAME_SIZE | AV_CODEC_CAP_LOSSLESS) |
|
468 |
+FFAT_ENC(ilbc, AV_CODEC_ID_ILBC, NULL) |
|
469 |
+FFAT_ENC(pcm_alaw, AV_CODEC_ID_PCM_ALAW, NULL) |
|
470 |
+FFAT_ENC(pcm_mulaw, AV_CODEC_ID_PCM_MULAW, NULL) |
... | ... |
@@ -28,7 +28,7 @@ |
28 | 28 |
#include "libavutil/version.h" |
29 | 29 |
|
30 | 30 |
#define LIBAVCODEC_VERSION_MAJOR 57 |
31 |
-#define LIBAVCODEC_VERSION_MINOR 29 |
|
31 |
+#define LIBAVCODEC_VERSION_MINOR 30 |
|
32 | 32 |
#define LIBAVCODEC_VERSION_MICRO 100 |
33 | 33 |
|
34 | 34 |
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |