44 #define BINK_EXTRADATA_SIZE 1 45 #define BINK_MAX_AUDIO_TRACKS 256 46 #define BINK_MAX_WIDTH 7680 47 #define BINK_MAX_HEIGHT 4800 64 if ( b[0] ==
'B' && b[1] ==
'I' && b[2] ==
'K' &&
65 (b[3] ==
'b' || b[3] ==
'f' || b[3] ==
'g' || b[3] ==
'h' || b[3] ==
'i') &&
78 uint32_t fps_num, fps_den;
81 uint32_t pos, next_pos;
101 "invalid header: largest frame size greater than file size\n");
112 if (fps_num == 0 || fps_den == 0) {
114 "invalid header: invalid fps (%"PRIu32
"/%"PRIu32
")\n",
172 for (i = 0; i < vst->
duration; i++) {
184 if (next_pos <= pos) {
213 if (index_entry < 0) {
215 "could not find index entry for frame %"PRId64
"\n",
228 "frame %"PRId64
": audio size in header (%"PRIu32
") > size of packet left (%"PRIu32
")\n",
234 if (audio_size >= 4) {
int av_add_index_entry(AVStream *st, int64_t pos, int64_t timestamp, int size, int distance, int flags)
Add an index entry into a sorted list.
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
AVIndexEntry * index_entries
Only used if the format does not support seeking natively.
#define AV_CH_LAYOUT_STEREO
uint32_t num_audio_tracks
int current_track
audio track to return in next packet
int id
Format-specific stream ID.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
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.
int avio_read(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags)
Get the index for a specific timestamp.
unsigned int avio_rl32(AVIOContext *s)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void av_log(void *avcl, int level, const char *fmt,...)
AVRational avg_frame_rate
Average framerate.
int flags
A combination of AV_PKT_FLAG values.
uint64_t channel_layout
Audio channel layout.
AVCodecContext * codec
Codec context associated with this stream.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
audio channel layout utility functions
int width
picture width / height.
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
enum AVMediaType codec_type
int sample_rate
samples per second
AVIOContext * pb
I/O context.
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This structure contains the data a format has to probe a file.
int64_t audio_pts[BINK_MAX_AUDIO_TRACKS]
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
int64_t duration
Decoding: duration of the stream, in stream time base.
unsigned int avio_rl16(AVIOContext *s)
uint32_t remain_packet_size
int channels
number of audio channels
void * priv_data
Format private data.
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
#define AV_CH_LAYOUT_MONO
This structure stores compressed data.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...