30 #define BRP_TAG MKTAG('B', 'R', 'P', 'P')
31 #define BRP_FILE_HEADER_SIZE 12
32 #define BRP_BLOCK_HEADER_SIZE 12
33 #define BRP_STREAM_HEADER_SIZE 20
34 #define BRP_MAX_STREAMS 32
35 #define BRP_BASF_LOOKAHEAD 10
36 #define BVID_HEADER_SIZE 16
37 #define MASK_HEADER_SIZE 12
38 #define BRP_MIN_BUFFER_SIZE FFMAX3(FFMAX3(BRP_FILE_HEADER_SIZE, \
39 BRP_BLOCK_HEADER_SIZE, \
40 BRP_STREAM_HEADER_SIZE), \
44 #define BRP_CODEC_ID_BVID MKTAG('B', 'V', 'I', 'D')
45 #define BRP_CODEC_ID_BASF MKTAG('B', 'A', 'S', 'F')
46 #define BRP_CODEC_ID_MASK MKTAG('M', 'A', 'S', 'K')
109 void *buf,
size_t bufsz)
205 }
else if (ret > 0) {
225 if (bvid->
width >= 65536 || bvid->
height >= 65536 ||
369 if (
blk.stream_id == -1)
372 if (
blk.stream_id < -1 ||
blk.stream_id >=
s->nb_streams)
375 st =
s->streams[
blk.stream_id];
399 else if (ret !=
blk.size)
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
#define BRP_CODEC_ID_MASK
#define BRP_STREAM_HEADER_SIZE
#define BRP_CODEC_ID_BASF
#define BRP_CODEC_ID_BVID
static int read_extradata(AVFormatContext *s, const ArgoBRPStreamHeader *hdr, void *buf, size_t bufsz)
#define BRP_FILE_HEADER_SIZE
static int argo_brp_read_header(AVFormatContext *s)
#define BRP_BLOCK_HEADER_SIZE
static int argo_brp_read_packet(AVFormatContext *s, AVPacket *pkt)
static int argo_brp_probe(const AVProbeData *p)
#define BRP_BASF_LOOKAHEAD
AVInputFormat ff_argo_brp_demuxer
#define BRP_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.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
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.
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
static int read_header(FFV1Context *f)
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_TRACE
Extremely verbose debugging, useful for libav* development.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
@ AV_ROUND_UP
Round toward +infinity.
@ AVMEDIA_TYPE_DATA
Opaque data information usually continuous.
@ AVMEDIA_TYPE_UNKNOWN
Usually treated as AVMEDIA_TYPE_DATA.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static const uint16_t mask[17]
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 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.
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.
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base.
ArgoBRPStreamHeader streams[BRP_MAX_STREAMS]
struct ArgoBRPDemuxContext::@242 basf
#define avpriv_request_sample(...)
static const uint8_t offset[127][2]