29 #define IMX_TAG MKTAG('I', 'M', 'A', 'X')
93 uint32_t chunk_size, chunk_type;
104 switch (chunk_type) {
116 if (chunk_size > 256 * 3)
118 for (
int i = 0;
i < chunk_size / 3;
i++) {
146 if (pos <= imx->first_video_packet_pos)
148 }
else if (idx == 1) {
160 .
name =
"simbiosis_imx",
simple assert() macros that are a bit more flexible than ISO C assert().
int avio_feof(AVIOContext *s)
Similar to feof() but also returns nonzero on read errors.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
unsigned int avio_rl16(AVIOContext *s)
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
unsigned int avio_rl32(AVIOContext *s)
int avio_r8(AVIOContext *s)
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, buffer_size_t size)
#define flags(name, subs,...)
static int read_header(FFV1Context *f)
#define AV_CH_LAYOUT_MONO
@ AV_CODEC_ID_SIMBIOSIS_IMX
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
@ AV_PKT_DATA_PALETTE
An AV_PKT_DATA_PALETTE side data packet contains exactly AVPALETTE_SIZE bytes worth of palette.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AVERROR_EOF
End of file.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
uint64_t channel_layout
Audio only.
enum AVMediaType codec_type
General type of the encoded data.
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 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 pos
byte position in stream, -1 if unknown
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.
int64_t first_video_packet_pos
uint8_t pal[AVPALETTE_SIZE]