FFmpeg
argo_cvg.c
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1 /*
2  * Argonaut Games CVG (de)muxer
3  *
4  * Copyright (C) 2021 Zane van Iperen (zane@zanevaniperen.com)
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "config_components.h"
24 
25 #include "libavutil/avstring.h"
27 #include "avformat.h"
28 #include "internal.h"
29 #include "libavutil/opt.h"
30 #include "libavutil/intreadwrite.h"
31 
32 /*
33  * .CVG files are essentially PSX ADPCM wrapped with a size and checksum.
34  * Found in the PSX versions of the game.
35  */
36 
37 #define ARGO_CVG_HEADER_SIZE 12
38 #define ARGO_CVG_BLOCK_ALIGN 0x10
39 #define ARGO_CVG_NB_BLOCKS 32
40 #define ARGO_CVG_SAMPLES_PER_BLOCK 28
41 
42 typedef struct ArgoCVGHeader {
43  uint32_t size; /*< File size -8 (this + trailing checksum) */
44  uint32_t loop; /*< Loop flag. */
45  uint32_t reverb; /*< Reverb flag. */
47 
48 typedef struct ArgoCVGOverride {
49  const char *name;
51  uint32_t checksum;
54 
55 typedef struct ArgoCVGDemuxContext {
57  uint32_t checksum;
58  uint32_t num_blocks;
59  uint32_t blocks_read;
61 
62 typedef struct ArgoCVGMuxContext {
63  const AVClass *class;
65  int loop;
66  int reverb;
67  uint32_t checksum;
68  size_t size;
70 
71 #if CONFIG_ARGO_CVG_DEMUXER
72 /* "Special" files that are played at a different rate. */
73 static const ArgoCVGOverride overrides[] = {
74  { "CRYS.CVG", { 23592, 0, 1 }, 2495499, 88200 }, /* Beta */
75  { "REDCRY88.CVG", { 38280, 0, 1 }, 4134848, 88200 }, /* Beta */
76  { "DANLOOP1.CVG", { 54744, 1, 0 }, 5684641, 37800 }, /* Beta */
77  { "PICKUP88.CVG", { 12904, 0, 1 }, 1348091, 48000 }, /* Beta */
78  { "SELECT1.CVG", { 5080, 0, 1 }, 549987, 44100 }, /* Beta */
79 };
80 
81 static int argo_cvg_probe(const AVProbeData *p)
82 {
83  ArgoCVGHeader cvg;
84 
85  /*
86  * It's almost impossible to detect these files based
87  * on the header alone. File extension is (unfortunately)
88  * the best way forward.
89  */
90  if (!av_match_ext(p->filename, "cvg"))
91  return 0;
92 
94  return 0;
95 
96  cvg.size = AV_RL32(p->buf + 0);
97  cvg.loop = AV_RL32(p->buf + 4);
98  cvg.reverb = AV_RL32(p->buf + 8);
99 
100  if (cvg.size < 8)
101  return 0;
102 
103  if (cvg.loop != 0 && cvg.loop != 1)
104  return 0;
105 
106  if (cvg.reverb != 0 && cvg.reverb != 1)
107  return 0;
108 
109  return AVPROBE_SCORE_MAX / 4 + 1;
110 }
111 
112 static int argo_cvg_read_checksum(AVIOContext *pb, const ArgoCVGHeader *cvg, uint32_t *checksum)
113 {
114  int ret;
115  uint8_t buf[4];
116 
117  if (!(pb->seekable & AVIO_SEEKABLE_NORMAL)) {
118  *checksum = 0;
119  return 0;
120  }
121 
122  if ((ret = avio_seek(pb, cvg->size + 4, SEEK_SET)) < 0)
123  return ret;
124 
125  /* NB: Not using avio_rl32() because no error checking. */
126  if ((ret = avio_read(pb, buf, sizeof(buf))) < 0)
127  return ret;
128  else if (ret != sizeof(buf))
129  return AVERROR(EIO);
130 
131  if ((ret = avio_seek(pb, ARGO_CVG_HEADER_SIZE, SEEK_SET)) < 0)
132  return ret;
133 
134  *checksum = AV_RL32(buf);
135  return 0;
136 }
137 
138 static int argo_cvg_read_header(AVFormatContext *s)
139 {
140  int ret;
141  AVStream *st;
142  AVCodecParameters *par;
143  uint8_t buf[ARGO_CVG_HEADER_SIZE];
144  const char *filename = av_basename(s->url);
145  ArgoCVGDemuxContext *ctx = s->priv_data;
146 
147  if (!(st = avformat_new_stream(s, NULL)))
148  return AVERROR(ENOMEM);
149 
150  if ((ret = avio_read(s->pb, buf, ARGO_CVG_HEADER_SIZE)) < 0)
151  return ret;
152  else if (ret != ARGO_CVG_HEADER_SIZE)
153  return AVERROR(EIO);
154 
155  ctx->header.size = AV_RL32(buf + 0);
156  ctx->header.loop = AV_RL32(buf + 4);
157  ctx->header.reverb = AV_RL32(buf + 8);
158 
159  if (ctx->header.size < 8)
160  return AVERROR_INVALIDDATA;
161 
162  if ((ret = argo_cvg_read_checksum(s->pb, &ctx->header, &ctx->checksum)) < 0)
163  return ret;
164 
165  if ((ret = av_dict_set_int(&st->metadata, "loop", ctx->header.loop, 0)) < 0)
166  return ret;
167 
168  if ((ret = av_dict_set_int(&st->metadata, "reverb", ctx->header.reverb, 0)) < 0)
169  return ret;
170 
171  if ((ret = av_dict_set_int(&st->metadata, "checksum", ctx->checksum, 0)) < 0)
172  return ret;
173 
174  par = st->codecpar;
177  par->sample_rate = 22050;
178 
179  for (size_t i = 0; i < FF_ARRAY_ELEMS(overrides); i++) {
180  const ArgoCVGOverride *ovr = overrides + i;
181  if (ovr->header.size != ctx->header.size ||
182  ovr->header.loop != ctx->header.loop ||
183  ovr->header.reverb != ctx->header.reverb ||
184  ovr->checksum != ctx->checksum ||
185  av_strcasecmp(filename, ovr->name) != 0)
186  continue;
187 
188  av_log(s, AV_LOG_TRACE, "found override, name = %s\n", ovr->name);
189  par->sample_rate = ovr->sample_rate;
190  break;
191  }
192 
194 
195  par->bits_per_coded_sample = 4;
197  par->bit_rate = par->sample_rate * par->bits_per_coded_sample;
198 
199  ctx->num_blocks = (ctx->header.size - 8) / ARGO_CVG_BLOCK_ALIGN;
200 
201  av_log(s, AV_LOG_TRACE, "num blocks = %u\n", ctx->num_blocks);
202 
203  avpriv_set_pts_info(st, 64, 1, par->sample_rate);
204 
205  st->start_time = 0;
206  st->duration = ctx->num_blocks * ARGO_CVG_SAMPLES_PER_BLOCK;
207  st->nb_frames = ctx->num_blocks;
208  return 0;
209 }
210 
211 static int argo_cvg_read_packet(AVFormatContext *s, AVPacket *pkt)
212 {
213  int ret;
214  AVStream *st = s->streams[0];
215  ArgoCVGDemuxContext *ctx = s->priv_data;
216 
217  if (ctx->blocks_read >= ctx->num_blocks)
218  return AVERROR_EOF;
219 
220  ret = av_get_packet(s->pb, pkt, st->codecpar->block_align *
221  FFMIN(ARGO_CVG_NB_BLOCKS, ctx->num_blocks - ctx->blocks_read));
222 
223  if (ret < 0)
224  return ret;
225 
226  if (ret % st->codecpar->block_align != 0)
227  return AVERROR_INVALIDDATA;
228 
229  pkt->stream_index = 0;
231  pkt->pts = ctx->blocks_read * ARGO_CVG_SAMPLES_PER_BLOCK;
233 
234  ctx->blocks_read += ret / st->codecpar->block_align;
235 
236  return 0;
237 }
238 
239 static int argo_cvg_seek(AVFormatContext *s, int stream_index,
240  int64_t pts, int flags)
241 {
242  int64_t ret;
243  ArgoCVGDemuxContext *ctx = s->priv_data;
244 
245  if (pts != 0 || stream_index != 0)
246  return AVERROR(EINVAL);
247 
248  if ((ret = avio_seek(s->pb, ARGO_CVG_HEADER_SIZE, SEEK_SET)) < 0)
249  return ret;
250 
251  ctx->blocks_read = 0;
252  return 0;
253 }
254 
256  .name = "argo_cvg",
257  .long_name = NULL_IF_CONFIG_SMALL("Argonaut Games CVG"),
258  .priv_data_size = sizeof(ArgoCVGDemuxContext),
259  .read_probe = argo_cvg_probe,
260  .read_header = argo_cvg_read_header,
261  .read_packet = argo_cvg_read_packet,
262  .read_seek = argo_cvg_seek,
263 };
264 #endif
265 
266 #if CONFIG_ARGO_CVG_MUXER
267 static int argo_cvg_write_init(AVFormatContext *s)
268 {
269  ArgoCVGMuxContext *ctx = s->priv_data;
270  const AVCodecParameters *par;
271 
272  if (s->nb_streams != 1) {
273  av_log(s, AV_LOG_ERROR, "CVG files have exactly one stream\n");
274  return AVERROR(EINVAL);
275  }
276 
277  par = s->streams[0]->codecpar;
278 
279  if (par->codec_id != AV_CODEC_ID_ADPCM_PSX) {
280  av_log(s, AV_LOG_ERROR, "%s codec not supported\n",
281  avcodec_get_name(par->codec_id));
282  return AVERROR(EINVAL);
283  }
284 
285  if (par->ch_layout.nb_channels != 1) {
286  av_log(s, AV_LOG_ERROR, "CVG files only support 1 channel\n");
287  return AVERROR(EINVAL);
288  }
289 
290  if (par->block_align != ARGO_CVG_BLOCK_ALIGN)
291  return AVERROR(EINVAL);
292 
293  if (!ctx->skip_rate_check && par->sample_rate != 22050) {
294  av_log(s, AV_LOG_ERROR, "Sample rate must be 22050\n");
295  return AVERROR(EINVAL);
296  }
297 
298  if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL)) {
299  av_log(s, AV_LOG_ERROR, "Stream not seekable, unable to write output file\n");
300  return AVERROR(EINVAL);
301  }
302 
303  return 0;
304 }
305 
306 static int argo_cvg_write_header(AVFormatContext *s)
307 {
308  ArgoCVGMuxContext *ctx = s->priv_data;
309 
310  avio_wl32(s->pb, 0); /* Size, fixed later. */
311  avio_wl32(s->pb, !!ctx->loop);
312  avio_wl32(s->pb, !!ctx->reverb);
313 
314  ctx->checksum = !!ctx->loop + !!ctx->reverb;
315  ctx->size = 8;
316  return 0;
317 }
318 
319 static int argo_cvg_write_packet(AVFormatContext *s, AVPacket *pkt)
320 {
321  ArgoCVGMuxContext *ctx = s->priv_data;
322  AVCodecParameters *par = s->streams[0]->codecpar;
323 
324  if (pkt->size % par->block_align != 0)
325  return AVERROR_INVALIDDATA;
326 
327  avio_write(s->pb, pkt->data, pkt->size);
328 
329  ctx->size += pkt->size;
330 
331  if (ctx->size > UINT32_MAX)
332  return AVERROR_INVALIDDATA;
333 
334  for (int i = 0; i < pkt->size; i++)
335  ctx->checksum += pkt->data[i];
336 
337  return 0;
338 }
339 
340 static int argo_cvg_write_trailer(AVFormatContext *s)
341 {
342  ArgoCVGMuxContext *ctx = s->priv_data;
343  int64_t ret;
344 
345  ctx->checksum += (ctx->size & 255)
346  + ((ctx->size>> 8) & 255)
347  + ((ctx->size>>16) & 255)
348  + (ctx->size>>24);
349 
350  av_log(s, AV_LOG_TRACE, "size = %zu\n", ctx->size);
351  av_log(s, AV_LOG_TRACE, "checksum = %u\n", ctx->checksum);
352 
353  avio_wl32(s->pb, ctx->checksum);
354 
355  if ((ret = avio_seek(s->pb, 0, SEEK_SET)) < 0)
356  return ret;
357 
358  avio_wl32(s->pb, (uint32_t)ctx->size);
359  return 0;
360 }
361 
362 static const AVOption argo_cvg_options[] = {
363  {
364  .name = "skip_rate_check",
365  .help = "skip sample rate check",
366  .offset = offsetof(ArgoCVGMuxContext, skip_rate_check),
367  .type = AV_OPT_TYPE_BOOL,
368  .default_val = {.i64 = 0},
369  .min = 0,
370  .max = 1,
372  },
373  {
374  .name = "loop",
375  .help = "set loop flag",
376  .offset = offsetof(ArgoCVGMuxContext, loop),
377  .type = AV_OPT_TYPE_BOOL,
378  .default_val = {.i64 = 0},
379  .min = 0,
380  .max = 1,
382  },
383  {
384  .name = "reverb",
385  .help = "set reverb flag",
386  .offset = offsetof(ArgoCVGMuxContext, reverb),
387  .type = AV_OPT_TYPE_BOOL,
388  .default_val = {.i64 = 1},
389  .min = 0,
390  .max = 1,
392  },
393  { NULL }
394 };
395 
396 static const AVClass argo_cvg_muxer_class = {
397  .class_name = "argo_cvg_muxer",
398  .item_name = av_default_item_name,
399  .option = argo_cvg_options,
400  .version = LIBAVUTIL_VERSION_INT
401 };
402 
404  .name = "argo_cvg",
405  .long_name = NULL_IF_CONFIG_SMALL("Argonaut Games CVG"),
406  .extensions = "cvg",
407  .audio_codec = AV_CODEC_ID_ADPCM_PSX,
408  .video_codec = AV_CODEC_ID_NONE,
409  .init = argo_cvg_write_init,
410  .write_header = argo_cvg_write_header,
411  .write_packet = argo_cvg_write_packet,
412  .write_trailer = argo_cvg_write_trailer,
413  .priv_class = &argo_cvg_muxer_class,
414  .priv_data_size = sizeof(ArgoCVGMuxContext),
415 };
416 #endif
ArgoCVGDemuxContext::num_blocks
uint32_t num_blocks
Definition: argo_cvg.c:58
ArgoCVGHeader
Definition: argo_cvg.c:42
AVOutputFormat::name
const char * name
Definition: avformat.h:510
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
opt.h
avformat_new_stream
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
Definition: options.c:237
AVCodecParameters::codec_type
enum AVMediaType codec_type
General type of the encoded data.
Definition: codec_par.h:58
AVCodecParameters
This struct describes the properties of an encoded stream.
Definition: codec_par.h:54
AVERROR_EOF
#define AVERROR_EOF
End of file.
Definition: error.h:57
ArgoCVGDemuxContext::blocks_read
uint32_t blocks_read
Definition: argo_cvg.c:59
av_strcasecmp
int av_strcasecmp(const char *a, const char *b)
Locale-independent case-insensitive compare.
Definition: avstring.c:218
AVPacket::data
uint8_t * data
Definition: packet.h:374
AVOption
AVOption.
Definition: opt.h:251
ArgoCVGOverride::name
const char * name
Definition: argo_cvg.c:49
ArgoCVGOverride::checksum
uint32_t checksum
Definition: argo_cvg.c:51
AVPacket::duration
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: packet.h:392
AVProbeData::buf_size
int buf_size
Size of buf except extra allocated bytes.
Definition: avformat.h:456
AVChannelLayout::nb_channels
int nb_channels
Number of channels in this layout.
Definition: channel_layout.h:311
ArgoCVGMuxContext::size
size_t size
Definition: argo_cvg.c:68
av_basename
const char * av_basename(const char *path)
Thread safe basename.
Definition: avstring.c:263
AVPROBE_SCORE_MAX
#define AVPROBE_SCORE_MAX
maximum score
Definition: avformat.h:465
avpriv_set_pts_info
void avpriv_set_pts_info(AVStream *st, int pts_wrap_bits, unsigned int pts_num, unsigned int pts_den)
Set the time base and wrapping info for a given stream.
Definition: avformat.c:763
read_seek
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
Definition: libcdio.c:151
ARGO_CVG_SAMPLES_PER_BLOCK
#define ARGO_CVG_SAMPLES_PER_BLOCK
Definition: argo_cvg.c:40
pts
static int64_t pts
Definition: transcode_aac.c:654
AVStream::duration
int64_t duration
Decoding: duration of the stream, in stream time base.
Definition: avformat.h:998
ArgoCVGMuxContext::skip_rate_check
int skip_rate_check
Definition: argo_cvg.c:64
loop
static int loop
Definition: ffplay.c:340
ARGO_CVG_BLOCK_ALIGN
#define ARGO_CVG_BLOCK_ALIGN
Definition: argo_cvg.c:38
AV_LOG_TRACE
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:206
pkt
AVPacket * pkt
Definition: movenc.c:59
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:180
AVInputFormat
Definition: avformat.h:656
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen.c:29
AV_PKT_FLAG_CORRUPT
#define AV_PKT_FLAG_CORRUPT
The packet content is corrupted.
Definition: packet.h:430
ArgoCVGHeader::loop
uint32_t loop
Definition: argo_cvg.c:44
intreadwrite.h
s
#define s(width, name)
Definition: cbs_vp9.c:256
ArgoCVGOverride::header
ArgoCVGHeader header
Definition: argo_cvg.c:50
AV_OPT_FLAG_ENCODING_PARAM
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:281
AVInputFormat::name
const char * name
A comma separated list of short names for the format.
Definition: avformat.h:661
AVProbeData::buf
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
Definition: avformat.h:455
AVMEDIA_TYPE_AUDIO
@ AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
AVProbeData::filename
const char * filename
Definition: avformat.h:454
av_match_ext
int av_match_ext(const char *filename, const char *extensions)
Return a positive value if the given filename has one of the given extensions, 0 otherwise.
Definition: format.c:40
ctx
AVFormatContext * ctx
Definition: movenc.c:48
ArgoCVGOverride::sample_rate
int sample_rate
Definition: argo_cvg.c:52
ArgoCVGMuxContext::checksum
uint32_t checksum
Definition: argo_cvg.c:67
AVFormatContext
Format I/O context.
Definition: avformat.h:1216
internal.h
AVStream::codecpar
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1108
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
read_header
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:540
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
ArgoCVGDemuxContext::header
ArgoCVGHeader header
Definition: argo_cvg.c:56
read_probe
static int read_probe(const AVProbeData *pd)
Definition: jvdec.c:55
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
ArgoCVGMuxContext
Definition: argo_cvg.c:62
AVProbeData
This structure contains the data a format has to probe a file.
Definition: avformat.h:453
AVStream::metadata
AVDictionary * metadata
Definition: avformat.h:1019
ARGO_CVG_NB_BLOCKS
#define ARGO_CVG_NB_BLOCKS
Definition: argo_cvg.c:39
AVCodecParameters::ch_layout
AVChannelLayout ch_layout
Audio only.
Definition: codec_par.h:213
AVCodecParameters::sample_rate
int sample_rate
Audio only.
Definition: codec_par.h:178
AVStream::nb_frames
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:1000
AVIOContext
Bytestream IO Context.
Definition: avio.h:166
AVPacket::size
int size
Definition: packet.h:375
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:115
AVIOContext::seekable
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:267
AVChannelLayout
An AVChannelLayout holds information about the channel layout of audio data.
Definition: channel_layout.h:301
ArgoCVGDemuxContext::checksum
uint32_t checksum
Definition: argo_cvg.c:57
AVOption::name
const char * name
Definition: opt.h:252
ArgoCVGMuxContext::loop
int loop
Definition: argo_cvg.c:65
avio_write
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:232
avio_wl32
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:388
AVPacket::flags
int flags
A combination of AV_PKT_FLAG values.
Definition: packet.h:380
avcodec_get_name
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
Definition: utils.c:436
AV_CODEC_ID_NONE
@ AV_CODEC_ID_NONE
Definition: codec_id.h:50
AVOutputFormat
Definition: avformat.h:509
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
AVPacket::pts
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:367
ArgoCVGHeader::reverb
uint32_t reverb
Definition: argo_cvg.c:45
AVCodecParameters::block_align
int block_align
Audio only.
Definition: codec_par.h:185
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
av_get_packet
int av_get_packet(AVIOContext *s, AVPacket *pkt, int size)
Allocate and read the payload of a packet and initialize its fields with default values.
Definition: utils.c:102
ff_argo_cvg_demuxer
const AVInputFormat ff_argo_cvg_demuxer
ret
ret
Definition: filter_design.txt:187
read_packet
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
Definition: avio_reading.c:42
AVStream
Stream structure.
Definition: avformat.h:948
avio_seek
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:262
AVClass::class_name
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:71
ArgoCVGDemuxContext
Definition: argo_cvg.c:55
avformat.h
ARGO_CVG_HEADER_SIZE
#define ARGO_CVG_HEADER_SIZE
Definition: argo_cvg.c:37
AV_RL32
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
Definition: bytestream.h:92
ArgoCVGHeader::size
uint32_t size
Definition: argo_cvg.c:43
ArgoCVGMuxContext::reverb
int reverb
Definition: argo_cvg.c:66
channel_layout.h
AVIO_SEEKABLE_NORMAL
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:41
avio_read
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
Definition: aviobuf.c:643
AVPacket::stream_index
int stream_index
Definition: packet.h:376
av_dict_set_int
int av_dict_set_int(AVDictionary **pm, const char *key, int64_t value, int flags)
Convenience wrapper for av_dict_set() that converts the value to a string and stores it.
Definition: dict.c:167
ff_argo_cvg_muxer
const AVOutputFormat ff_argo_cvg_muxer
AVCodecParameters::bits_per_coded_sample
int bits_per_coded_sample
The number of bits per sample in the codedwords.
Definition: codec_par.h:104
AV_CHANNEL_LAYOUT_MONO
#define AV_CHANNEL_LAYOUT_MONO
Definition: channel_layout.h:368
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:62
AVPacket
This structure stores compressed data.
Definition: packet.h:351
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Definition: opt.h:244
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
AVCodecParameters::bit_rate
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:91
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:61
AVStream::start_time
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base.
Definition: avformat.h:988
avstring.h
AV_CODEC_ID_ADPCM_PSX
@ AV_CODEC_ID_ADPCM_PSX
Definition: codec_id.h:402
ArgoCVGOverride
Definition: argo_cvg.c:48