42 #define ID_8SVX MKTAG('8','S','V','X') 43 #define ID_16SV MKTAG('1','6','S','V') 44 #define ID_MAUD MKTAG('M','A','U','D') 45 #define ID_MHDR MKTAG('M','H','D','R') 46 #define ID_MDAT MKTAG('M','D','A','T') 47 #define ID_VHDR MKTAG('V','H','D','R') 48 #define ID_ATAK MKTAG('A','T','A','K') 49 #define ID_RLSE MKTAG('R','L','S','E') 50 #define ID_CHAN MKTAG('C','H','A','N') 51 #define ID_PBM MKTAG('P','B','M',' ') 52 #define ID_ILBM MKTAG('I','L','B','M') 53 #define ID_BMHD MKTAG('B','M','H','D') 54 #define ID_DGBL MKTAG('D','G','B','L') 55 #define ID_CAMG MKTAG('C','A','M','G') 56 #define ID_CMAP MKTAG('C','M','A','P') 57 #define ID_ACBM MKTAG('A','C','B','M') 58 #define ID_DEEP MKTAG('D','E','E','P') 59 #define ID_RGB8 MKTAG('R','G','B','8') 60 #define ID_RGBN MKTAG('R','G','B','N') 61 #define ID_DSD MKTAG('D','S','D',' ') 62 #define ID_DST MKTAG('D','S','T',' ') 63 #define ID_DSTC MKTAG('D','S','T','C') 64 #define ID_DSTF MKTAG('D','S','T','F') 65 #define ID_FRTE MKTAG('F','R','T','E') 66 #define ID_ANIM MKTAG('A','N','I','M') 67 #define ID_ANHD MKTAG('A','N','H','D') 68 #define ID_DLTA MKTAG('D','L','T','A') 69 #define ID_DPAN MKTAG('D','P','A','N') 71 #define ID_FORM MKTAG('F','O','R','M') 72 #define ID_FRM8 MKTAG('F','R','M','8') 73 #define ID_ANNO MKTAG('A','N','N','O') 74 #define ID_AUTH MKTAG('A','U','T','H') 75 #define ID_CHRS MKTAG('C','H','R','S') 76 #define ID_COPYRIGHT MKTAG('(','c',')',' ') 77 #define ID_CSET MKTAG('C','S','E','T') 78 #define ID_FVER MKTAG('F','V','E','R') 79 #define ID_NAME MKTAG('N','A','M','E') 80 #define ID_TEXT MKTAG('T','E','X','T') 81 #define ID_ABIT MKTAG('A','B','I','T') 82 #define ID_BODY MKTAG('B','O','D','Y') 83 #define ID_DBOD MKTAG('D','B','O','D') 84 #define ID_DPEL MKTAG('D','P','E','L') 85 #define ID_DLOC MKTAG('D','L','O','C') 86 #define ID_TVDC MKTAG('T','V','D','C') 100 #define IFF_EXTRA_VIDEO_SIZE 41 128 const char *
const tag,
129 const unsigned data_size)
136 if (
avio_read(s->
pb, buf, data_size) != data_size) {
172 #define DSD_SLFT MKTAG('S','L','F','T') 173 #define DSD_SRGT MKTAG('S','R','G','T') 174 #define DSD_MLFT MKTAG('M','L','F','T') 175 #define DSD_MRGT MKTAG('M','R','G','T') 176 #define DSD_C MKTAG('C',' ',' ',' ') 177 #define DSD_LS MKTAG('L','S',' ',' ') 178 #define DSD_RS MKTAG('R','S',' ',' ') 179 #define DSD_LFE MKTAG('L','F','E',' ') 203 "dsd_source_comment",
204 "analogue_source_comment",
205 "pcm_source_comment",
224 const char * metadata_tag =
NULL;
227 case MKTAG(
'D',
'I',
'A',
'R'): metadata_tag =
"artist";
break;
228 case MKTAG(
'D',
'I',
'T',
'I'): metadata_tag =
"title";
break;
231 if (metadata_tag && size > 4) {
250 int hour,
min, sec, i, ret, config;
260 case MKTAG(
'A',
'B',
'S',
'S'):
266 snprintf(abss,
sizeof(abss),
"%02dh:%02dm:%02ds:%d", hour, min, sec,
avio_rb32(pb));
270 case MKTAG(
'C',
'H',
'N',
'L'):
274 if (size < 2 + st->codecpar->channels * 4)
293 case MKTAG(
'C',
'M',
'P',
'R'):
305 case MKTAG(
'F',
'S',
' ',
' '):
311 case MKTAG(
'I',
'D',
'3',
' '):
312 id3v2_extra_meta =
NULL;
314 if (id3v2_extra_meta) {
329 case MKTAG(
'L',
'S',
'C',
'O'):
333 if (config != 0xFFFF) {
353 uint64_t chunk_pos, data_pos, data_size;
383 pkt->
pos = chunk_pos;
405 static const uint8_t deep_rgb24[] = {0, 0, 0, 3, 0, 1, 0, 8, 0, 2, 0, 8, 0, 3, 0, 8};
406 static const uint8_t deep_rgba[] = {0, 0, 0, 4, 0, 1, 0, 8, 0, 2, 0, 8, 0, 3, 0, 8};
407 static const uint8_t deep_bgra[] = {0, 0, 0, 4, 0, 3, 0, 8, 0, 2, 0, 8, 0, 1, 0, 8};
408 static const uint8_t deep_argb[] = {0, 0, 0, 4, 0,17, 0, 8, 0, 1, 0, 8, 0, 2, 0, 8};
409 static const uint8_t deep_abgr[] = {0, 0, 0, 4, 0,17, 0, 8, 0, 3, 0, 8, 0, 2, 0, 8};
419 uint32_t screenmode = 0, num, den;
446 const char *metadata_tag =
NULL;
460 if (data_size >= 16) {
523 if (data_size < 3 || data_size > 768 || data_size % 3) {
548 if (data_size >= 14) {
552 if (data_size >= 16) {
567 if (data_size < 4 || (data_size & 3))
569 if ((fmt_size =
avio_read(pb, fmt,
sizeof(fmt))) < 0)
607 if (data_size <
sizeof(iff->
tvdc))
615 case ID_TEXT: metadata_tag =
"comment";
break;
616 case ID_AUTH: metadata_tag =
"artist";
break;
618 case ID_NAME: metadata_tag =
"title";
break;
622 case MKTAG(
'F',
'V',
'E',
'R'):
626 av_log(s,
AV_LOG_DEBUG,
"DSIFF v%d.%d.%d.%d\n",version >> 24, (version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);
630 case MKTAG(
'D',
'I',
'I',
'N'):
636 case MKTAG(
'P',
'R',
'O',
'P'):
648 case MKTAG(
'C',
'O',
'M',
'T'):
652 for (i = 0; i < nb_comments; i++) {
663 snprintf(tmp,
sizeof(tmp),
"%04d-%02d-%02d %02d:%02d", year, mon, day, hour, min);
671 tag =
"channel_comment";
673 snprintf(tmp,
sizeof(tmp),
"channel%d_comment", ref);
693 if (metadata_size & 1)
700 if ((res =
get_metadata(s, metadata_tag, data_size)) < 0) {
762 if ((screenmode & 0x800 ) && iff->
bpp <= 8) {
763 iff->
ham = iff->
bpp > 6 ? 6 : 4;
766 iff->
flags = (screenmode & 0x80 ) && iff->
bpp <= 8;
780 bytestream_put_byte(&buf, iff->
bpp);
781 bytestream_put_byte(&buf, iff->
ham);
782 bytestream_put_byte(&buf, iff->
flags);
784 bytestream_put_byte(&buf, iff->
masking);
802 unsigned chunk = bytestream2_get_le32(&gb);
803 unsigned size = bytestream2_get_be32(&gb);
809 return bytestream2_get_be32(&gb);
843 uint64_t data_size, orig_pos;
844 uint32_t chunk_id, chunk_id2;
859 }
else if (chunk_id ==
ID_FORM &&
unsigned transparency
transparency color index in palette
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
unsigned ham
0 if non-HAM or number of hold bits (6 for bpp > 6, 4 otherwise)
packed RGB 8:8:8, 24bpp, RGBRGB...
int64_t pos
byte position in stream, -1 if unknown
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown)
#define ID3v2_DEFAULT_MAGIC
Default magic bytes for ID3v2 header: "ID3".
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
unsigned maud_compression
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
#define AV_CH_LAYOUT_STEREO
unsigned int avio_rb16(AVIOContext *s)
svx8_compression_type svx8_compression
int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
Create a stream for each APIC (attached picture) extracted from the ID3v2 header. ...
#define AV_CH_LAYOUT_5POINT0
int av_get_channel_layout_nb_channels(uint64_t channel_layout)
Return the number of channels in the channel layout.
uint8_t tvdc[32]
TVDC lookup table.
#define av_assert0(cond)
assert() equivalent, that is always enabled.
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
int ff_id3v2_parse_chapters(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
Create chapters for all CHAP tags found in the ID3v2 header.
unsigned int avio_rb32(AVIOContext *s)
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
AVStream ** streams
A list of all streams in the file.
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
#define AVERROR_EOF
End of file.
uint64_t avio_rb64(AVIOContext *s)
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
uint64_t channel_layout
Audio only.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define AV_CH_LAYOUT_5POINT1
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
AVDictionary * metadata
Metadata that applies to the whole file.
unsigned int avio_rl32(AVIOContext *s)
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define av_fourcc2str(fourcc)
enum AVMediaType codec_type
General type of the encoded data.
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta)
Free memory allocated parsing special (non-text) metadata.
simple assert() macros that are a bit more flexible than ISO C assert().
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
int flags
A combination of AV_PKT_FLAG values.
int extradata_size
Size of the extradata content in bytes.
int avio_r8(AVIOContext *s)
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
unsigned flags
1 for EHB, 0 is no extra half darkening
int block_align
Audio only.
audio channel layout utility functions
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() or another memory allocation functio...
#define FF_ARRAY_ELEMS(a)
static int read_header(FFV1Context *f)
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
unsigned bpp
bits per plane to decode (differs from bits_per_coded_sample if HAM)
AVIOContext * pb
I/O context.
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
This structure contains the data a format has to probe a file.
const uint32_t * dsd_layout
int64_t duration
Decoding: duration of the stream, in stream time base.
int sample_rate
Audio only.
unsigned bitmap_compression
delta compression method used
static int ref[MAX_W *MAX_W]
int is_64bit
chunk size is 64-bit
void ff_id3v2_read(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta, unsigned int max_search_size)
Read an ID3v2 tag, including supported extra metadata.
static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
void * priv_data
Format private data.
int bits_per_coded_sample
The number of bits per sample in the codedwords.
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int avio_feof(AVIOContext *s)
feof() equivalent for AVIOContext.
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
This structure stores compressed data.
unsigned masking
masking method used