30 #define ASF_NB_BLOCKS 32
146 #if CONFIG_ARGO_ASF_DEMUXER
174 if (!argo_asf_is_known_version(&hdr))
285 #if CONFIG_ARGO_ASF_MUXER
291 if (
s->nb_streams != 1) {
296 par =
s->streams[0]->codecpar;
304 if (
ctx->version_major == 1 &&
ctx->version_minor == 1 && par->
sample_rate != 22050) {
357 .version_major = (uint16_t)
ctx->version_major,
358 .version_minor = (uint16_t)
ctx->version_minor,
371 const char *end = strrchr(start,
'.');
386 if (
ctx->version_major == 1 &&
ctx->version_minor == 1)
397 argo_asf_write_file_header(&fhdr,
s->pb);
398 argo_asf_write_chunk_header(&chdr,
s->pb);
411 if (
ctx->nb_blocks + nb_blocks > UINT32_MAX)
416 ctx->nb_blocks += nb_blocks;
432 static const AVOption argo_asf_options[] = {
434 .
name =
"version_major",
435 .help =
"override file major version",
438 .default_val = {.i64 = 2},
444 .name =
"version_minor",
445 .help =
"override file minor version",
448 .default_val = {.i64 = 1},
455 .help =
"embedded file name (max 8 characters)",
458 .default_val = {.str =
NULL},
464 static const AVClass argo_asf_muxer_class = {
467 .option = argo_asf_options,
480 .init = argo_asf_write_init,
481 .write_header = argo_asf_write_header,
482 .write_packet = argo_asf_write_packet,
483 .write_trailer = argo_asf_write_trailer,
484 .priv_class = &argo_asf_muxer_class,
int ff_argo_asf_validate_file_header(AVFormatContext *s, const ArgoASFFileHeader *hdr)
void ff_argo_asf_parse_file_header(ArgoASFFileHeader *hdr, const uint8_t *buf)
int ff_argo_asf_fill_stream(AVFormatContext *s, AVStream *st, const ArgoASFFileHeader *fhdr, const ArgoASFChunkHeader *ckhdr)
void ff_argo_asf_parse_chunk_header(ArgoASFChunkHeader *hdr, const uint8_t *buf)
#define ASF_CHUNK_HEADER_SIZE
#define ASF_FILE_HEADER_SIZE
#define ASF_MIN_BUFFER_SIZE
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
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_wl32(AVIOContext *s, unsigned int val)
void avio_wl16(AVIOContext *s, unsigned int val)
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
#define flags(name, subs,...)
static int read_header(FFV1Context *f)
#define AV_CH_LAYOUT_MONO
#define AV_CH_LAYOUT_STEREO
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
#define AV_PKT_FLAG_CORRUPT
The packet content is corrupted.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AVERROR_EOF
End of file.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const char * av_default_item_name(void *ptr)
Return the context name.
@ AV_SAMPLE_FMT_S16P
signed 16 bits, planar
const char * av_basename(const char *path)
Thread safe basename.
#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.
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
#define FF_ARRAY_ELEMS(a)
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 an encoded stream.
uint64_t channel_layout
Audio only.
int bits_per_coded_sample
The number of bits per sample in the codedwords.
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.
int bits_per_raw_sample
This is the number of valid bits in each output sample.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int sample_rate
Audio only.
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...
This structure contains the data a format has to probe a file.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int64_t nb_frames
number of frames in this stream if known or 0
int64_t duration
Decoding: duration of the stream, in stream time base.
int index
stream index in AVFormatContext
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base.
#define avpriv_request_sample(...)
static const uint8_t offset[127][2]