29 #define LMLM4_I_FRAME 0x00
30 #define LMLM4_P_FRAME 0x01
31 #define LMLM4_B_FRAME 0x02
32 #define LMLM4_INVALID 0x03
33 #define LMLM4_MPEG1L2 0x04
35 #define LMLM4_MAX_PACKET_SIZE 1024 * 1024
38 unsigned char *buf = pd->
buf;
39 unsigned int frame_type, packet_size;
48 if ((
AV_RB16(buf+8) & 0xfffe) != 0xfffc)
53 }
else if (
AV_RB24(buf+8) == 0x000001) {
84 unsigned int frame_type, packet_size, padding, frame_size;
89 padding = -packet_size & 511;
90 frame_size = packet_size - 8;
106 switch (frame_type) {
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_RB16
AVInputFormat ff_lmlm4_demuxer
AV_WL32 AV_WL24 AV_WL16 AV_RB32
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
unsigned int avio_rb16(AVIOContext *s)
unsigned int avio_rb32(AVIOContext *s)
enum AVStreamParseType need_parsing
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
#define LMLM4_MAX_PACKET_SIZE
void av_log(void *avcl, int level, const char *fmt,...)
AVStream * avformat_new_stream(AVFormatContext *s, AVCodec *c)
Add a new stream to a media file.
int flags
A combination of AV_PKT_FLAG values.
AVCodecContext * codec
codec context
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
static int lmlm4_read_header(AVFormatContext *s, AVFormatParameters *ap)
static int lmlm4_probe(AVProbeData *pd)
enum AVMediaType codec_type
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
This structure contains the data a format has to probe a file.
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_RB24
static int lmlm4_read_packet(AVFormatContext *s, AVPacket *pkt)