33 #define ASF_INDEXED_INTERVAL 10000000
34 #define ASF_INDEX_BLOCK (1<<9)
35 #define ASF_PAYLOADS_PER_PACKET 63
37 #define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2
38 #define ASF_PACKET_ERROR_CORRECTION_FLAGS \
39 (ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
40 ASF_PACKET_ERROR_CORRECTION_DATA_SIZE)
42 #if (ASF_PACKET_ERROR_CORRECTION_FLAGS != 0)
43 # define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1
45 # define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 0
48 #define ASF_PPI_PROPERTY_FLAGS \
49 (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
50 ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
51 ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
52 ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE)
54 #define ASF_PPI_LENGTH_TYPE_FLAGS 0
56 #define ASF_PAYLOAD_FLAGS ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD
58 #if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
59 # define ASF_PPI_SEQUENCE_FIELD_SIZE 1
61 #if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
62 # define ASF_PPI_SEQUENCE_FIELD_SIZE 2
64 #if (ASF_PPI_FLAG_SEQUENCE_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE))
65 # define ASF_PPI_SEQUENCE_FIELD_SIZE 4
67 #ifndef ASF_PPI_SEQUENCE_FIELD_SIZE
68 # define ASF_PPI_SEQUENCE_FIELD_SIZE 0
71 #if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
72 # define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 1
74 #if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
75 # define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 2
77 #if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE))
78 # define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 4
80 #ifndef ASF_PPI_PACKET_LENGTH_FIELD_SIZE
81 # define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 0
84 #if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
85 # define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 1
87 #if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
88 # define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 2
90 #if (ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_DWORD == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE))
91 # define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 4
93 #ifndef ASF_PPI_PADDING_LENGTH_FIELD_SIZE
94 # define ASF_PPI_PADDING_LENGTH_FIELD_SIZE 0
97 #if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
98 # define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 1
100 #if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
101 # define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 2
103 #if (ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE))
104 # define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 4
106 #ifndef ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE
107 # define ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE 0
110 #if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
111 # define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 1
113 #if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
114 # define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 2
116 #if (ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE))
117 # define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 4
119 #ifndef ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE
120 # define ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE 0
123 #if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
124 # define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 1
126 #if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_WORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
127 # define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 2
129 #if (ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_DWORD == (ASF_PPI_PROPERTY_FLAGS & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE))
130 # define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 4
132 #ifndef ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE
133 # define ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE 0
136 #if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_BYTE == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
137 # define ASF_PAYLOAD_LENGTH_FIELD_SIZE 1
139 #if (ASF_PL_FLAG_PAYLOAD_LENGTH_FIELD_IS_WORD == (ASF_PAYLOAD_FLAGS & ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE))
140 # define ASF_PAYLOAD_LENGTH_FIELD_SIZE 2
142 #ifndef ASF_PAYLOAD_LENGTH_FIELD_SIZE
143 # define ASF_PAYLOAD_LENGTH_FIELD_SIZE 0
146 #define PACKET_HEADER_MIN_SIZE \
147 (ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
148 ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
151 ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
152 ASF_PPI_SEQUENCE_FIELD_SIZE + \
153 ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
158 #define ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08
160 #define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \
162 ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
163 ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
164 ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
165 ASF_PAYLOAD_REPLICATED_DATA_LENGTH)
167 #define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
169 ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
170 ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
171 ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
172 ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
173 ASF_PAYLOAD_LENGTH_FIELD_SIZE)
175 #define SINGLE_PAYLOAD_HEADERS \
176 (PACKET_HEADER_MIN_SIZE + \
177 PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD)
179 #define MULTI_PAYLOAD_HEADERS \
180 (PACKET_HEADER_MIN_SIZE + \
182 2 * PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS)
184 #define DATA_HEADER_SIZE 50
186 #define PACKET_SIZE_MAX 65536
187 #define PACKET_SIZE_MIN 100
265 #define PREROLL_TIME 3100
305 int payload_length,
int flags)
311 length = payload_length + 8;
325 t = ti * INT64_C(10);
326 t += INT64_C(116444736000000000);
336 if (pres_time <= asf->index_ptr[
i].send_time)
342 return send_time / 10000;
358 for (
i = 0;
i <
s->nb_chapters;
i++) {
395 int header_size, n, extra_size, extra_size2, wav_extra_size;
396 int has_title, has_aspect_ratio = 0;
399 int64_t header_offset, cur_pos, hpos;
402 int audio_language_counts[128] = { 0 };
413 has_title = tags[0] || tags[1] || tags[2] || tags[3] || tags[4];
423 for (n = 0; n <
s->nb_streams; n++) {
425 par =
s->streams[n]->codecpar;
441 if (!strcmp(asf->
languages[
i], iso6391lang)) {
465 avio_wl32(pb, 3 + has_title + !!metadata_count +
s->nb_streams);
493 int nb_audio_languages = 0;
504 if (audio_language_counts[
i])
505 nb_audio_languages++;
507 if (nb_audio_languages > 1) {
512 if (audio_language_counts[
i]) {
514 for (n = 0; n <
s->nb_streams; n++)
522 for (n = 0; n <
s->nb_streams; n++) {
529 avio_wl32(pb,
s->streams[n]->codecpar->bit_rate);
532 avio_wl32(pb,
s->streams[n]->codecpar->bit_rate);
545 if (has_aspect_ratio) {
549 for (n = 0; n <
s->nb_streams; n++) {
550 par =
s->streams[n]->codecpar;
604 if (metadata_count) {
622 for (n = 0; n <
s->nb_streams; n++) {
626 par =
s->streams[n]->codecpar;
633 extra_size = 18 + wav_extra_size;
639 extra_size = 0x33 + wav_extra_size;
665 if (wavsize != extra_size) {
699 for (n = 0; n <
s->nb_streams; n++) {
703 par =
s->streams[n]->codecpar;
714 desc =
"Windows Media Audio V8";
753 header_size = cur_pos - header_offset;
757 avio_seek(pb, header_offset - 10 - 30, SEEK_SET);
759 avio_seek(pb, header_offset - 2 - 30, SEEK_SET);
764 header_size += 24 + 6;
765 avio_seek(pb, header_offset - 14, SEEK_SET);
785 s->max_interleave_delta = 0;
788 if (
s->nb_streams > 127) {
814 if (
s->avoid_negative_ts < 0)
815 s->avoid_negative_ts = 1;
830 unsigned sendtime,
unsigned duration,
831 int nb_payloads,
int padsize)
880 int packet_hdr_size, packet_filled_size;
894 av_assert0(packet_hdr_size <= asf->packet_size_left);
910 int64_t presentation_time,
int m_obj_size,
911 int m_obj_offset,
int payload_len,
int flags)
933 avio_wl32(pb, (uint32_t) presentation_time);
942 int m_obj_size,
int flags)
945 int m_obj_offset, payload_len, frag_len1;
948 while (m_obj_offset < m_obj_size) {
949 payload_len = m_obj_size - m_obj_offset;
956 frag_len1 = multi_payload_constant - 1;
967 if (frag_len1 < payload_len &&
979 if (payload_len > frag_len1)
980 payload_len = frag_len1;
981 else if (payload_len == (frag_len1 - 1))
982 payload_len = frag_len1 - 2;
985 m_obj_size, m_obj_offset, payload_len,
flags);
998 m_obj_offset += payload_len;
1012 uint32_t packet_number, uint16_t packet_count,
1013 uint64_t packet_offset)
1059 uint32_t packet_number;
1091 uint16_t packet_count = asf->
nb_packets - packet_number;
1102 uint16_t
max, uint32_t count)
1108 avio_wl64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2) * count);
1113 for (
i = 0;
i < count;
i++) {
1157 #if CONFIG_ASF_MUXER
1158 static const AVClass asf_muxer_class = {
1168 .mime_type =
"video/x-ms-asf",
1169 .extensions =
"asf,wmv,wma",
1178 .priv_class = &asf_muxer_class,
1182 #if CONFIG_ASF_STREAM_MUXER
1183 static const AVClass asf_stream_muxer_class = {
1191 .
name =
"asf_stream",
1193 .mime_type =
"video/x-ms-asf",
1194 .extensions =
"asf,wmv,wma",
1203 .priv_class = &asf_stream_muxer_class,
static double val(void *priv, double ch)
const ff_asf_guid ff_asf_video_conceal_none
const ff_asf_guid ff_asf_codec_comment1_header
const ff_asf_guid ff_asf_mutex_language
const ff_asf_guid ff_asf_video_stream
const AVMetadataConv ff_asf_metadata_conv[]
const ff_asf_guid ff_asf_stream_header
const ff_asf_guid ff_asf_extended_stream_properties_object
const ff_asf_guid ff_asf_audio_conceal_spread
const ff_asf_guid ff_asf_language_guid
const ff_asf_guid ff_asf_group_mutual_exclusion_object
const ff_asf_guid ff_asf_header
const ff_asf_guid ff_asf_audio_stream
const ff_asf_guid ff_asf_simple_index_header
const ff_asf_guid ff_asf_extended_content_header
const ff_asf_guid ff_asf_reserved_4
const ff_asf_guid ff_asf_head1_guid
const ff_asf_guid ff_asf_head2_guid
const ff_asf_guid ff_asf_marker_header
const ff_asf_guid ff_asf_data_header
const ff_asf_guid ff_asf_codec_comment_header
const ff_asf_guid ff_asf_my_guid
const ff_asf_guid ff_asf_file_header
const ff_asf_guid ff_asf_comment_header
const ff_asf_guid ff_asf_metadata_header
#define ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT
#define ASF_PL_FLAG_KEY_FRAME
#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_WORD
#define ASF_PPI_FLAG_PADDING_LENGTH_FIELD_IS_BYTE
static int asf_write_index(AVFormatContext *s, const ASFIndex *index, uint16_t max, uint32_t count)
static int64_t unix_to_file_time(int64_t ti)
#define SINGLE_PAYLOAD_HEADERS
static int update_index(AVFormatContext *s, int start_sec, uint32_t packet_number, uint16_t packet_count, uint64_t packet_offset)
#define PACKET_HEADER_MIN_SIZE
static void flush_packet(AVFormatContext *s)
static const AVOption asf_options[]
static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH
#define ASF_INDEXED_INTERVAL
#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD
#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE
static const AVCodecTag codec_asf_bmp_tags[]
static int32_t get_send_time(ASFContext *asf, int64_t pres_time, uint64_t *offset)
#define MULTI_PAYLOAD_HEADERS
#define ASF_PAYLOADS_PER_PACKET
static void put_payload_header(AVFormatContext *s, ASFStream *stream, int64_t presentation_time, int m_obj_size, int m_obj_offset, int payload_len, int flags)
static int put_payload_parsing_info(AVFormatContext *s, unsigned sendtime, unsigned duration, int nb_payloads, int padsize)
#define ASF_PAYLOAD_FLAGS
static int64_t put_header(AVIOContext *pb, const ff_asf_guid *g)
static void put_str16(AVIOContext *s, const char *tag)
static void put_frame(AVFormatContext *s, ASFStream *stream, AVStream *avst, int64_t timestamp, const uint8_t *buf, int m_obj_size, int flags)
static void put_chunk(AVFormatContext *s, int type, int payload_length, int flags)
static int asf_write_header(AVFormatContext *s)
static int asf_write_stream_header(AVFormatContext *s)
static const AVCodecTag *const asf_codec_tags[]
#define ASF_PACKET_ERROR_CORRECTION_FLAGS
static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data_chunk_size)
#define ASF_PPI_PROPERTY_FLAGS
static void end_header(AVIOContext *pb, int64_t pos)
static int asf_write_trailer(AVFormatContext *s)
#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS
#define ASF_PPI_LENGTH_TYPE_FLAGS
static int asf_write_markers(AVFormatContext *s)
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type)
Mark the written bytestream as a specific type.
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
void avio_wl64(AVIOContext *s, uint64_t val)
void avio_wl32(AVIOContext *s, unsigned int val)
void avio_wl16(AVIOContext *s, unsigned int val)
void avio_w8(AVIOContext *s, int b)
@ AVIO_DATA_MARKER_FLUSH_POINT
A point in the output bytestream where the underlying AVIOContext might flush the buffer depending on...
int avio_put_str16le(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16LE and write it.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
Return the written size and a pointer to the buffer.
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
int avio_open_dyn_buf(AVIOContext **s)
Open a write only memory stream.
int ffio_init_context(AVIOContext *s, unsigned char *buffer, int buffer_size, int write_flag, void *opaque, int(*read_packet)(void *opaque, uint8_t *buf, int buf_size), int(*write_packet)(void *opaque, uint8_t *buf, int buf_size), int64_t(*seek)(void *opaque, int64_t offset, int whence))
const char * ff_convert_lang_to(const char *lang, enum AVLangCodespace target_codespace)
Convert a language code to a target codespace.
@ AV_LANG_ISO639_1
3-char terminological language codes as per ISO-IEC 639-2
#define flags(name, subs,...)
#define MKTAG(a, b, c, d)
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
static void write_header(FFV1Context *f)
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key,...
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
int av_dict_count(const AVDictionary *m)
Get number of entries in dictionary.
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const char * av_default_item_name(void *ptr)
Return the context name.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array through a pointer to a pointer.
#define AV_NOPTS_VALUE
Undefined timestamp value.
#define LIBAVUTIL_VERSION_INT
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
const AVCodecTag ff_codec_bmp_tags[]
const AVCodecTag ff_codec_wav_tags[]
internal header for RIFF based (de)muxers do NOT include this in end user applications
#define FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX
Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs.
void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters *par, int for_asf, int ignore_extradata, int rgb_frame_is_flipped)
int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int flags)
Write WAVEFORMAT header structure.
void ff_put_guid(AVIOContext *s, const ff_asf_guid *g)
#define FF_ARRAY_ELEMS(a)
int64_t packet_timestamp_start
uint64_t nb_packets
how many packets are there in the file, invalid if broadcasting
uint32_t next_packet_number
ASFStream streams[128]
it's max number and it's not that big
uint32_t nb_index_memory_alloc
uint16_t next_packet_count
uint64_t next_packet_offset
uint64_t data_offset
beginning of the first data packet
unsigned char multi_payloads_present
unsigned int packet_nb_payloads
uint8_t packet_buf[PACKET_SIZE_MAX]
int64_t duration
in 100ns units
const char * languages[128]
int64_t packet_timestamp_end
uint16_t stream_language_index
Describe the class of an AVClass context structure.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
This struct describes the properties of a single codec described by an AVCodecID.
const char * name
Name of the codec described by this descriptor.
This struct describes the properties of an encoded stream.
int extradata_size
Size of the extradata content in bytes.
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
enum AVMediaType codec_type
General type of the encoded data.
int block_align
Audio only.
AVRational sample_aspect_ratio
Video only.
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
unsigned char * buf_ptr
Current position in the buffer.
unsigned char * buffer
Start of the buffer.
This structure stores compressed data.
int flags
A combination of AV_PKT_FLAG values.
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed.
Rational number (pair of numerator and denominator).
AVCodecParameters * codecpar
Codec parameters associated with this stream.
static int write_trailer(AVFormatContext *s1)
static const uint8_t offset[127][2]