33 #define RAW_PACKET_SIZE 1024
119 #define OFFSET(x) offsetof(FFRawVideoDemuxerContext, x)
120 #define DEC AV_OPT_FLAG_DECODING_PARAM
127 #define OFFSET(x) offsetof(FFRawDemuxerContext, x)
133 #if CONFIG_DATA_DEMUXER
144 .priv_class = &raw_data_demuxer_class,\
148 #if CONFIG_MJPEG_DEMUXER
158 if (p->
buf[
i] != 0xFF)
192 if ( (
c >= 0x02 &&
c <= 0xBF)
199 if (nb_invalid*4 + 1 < nb_frames) {
200 static const char ct_jpeg[] =
"\r\nContent-Type: image/jpeg\r\n";
204 if (!memcmp(p->
buf +
i, ct_jpeg,
sizeof(ct_jpeg) - 1))
207 if (nb_invalid == 0 && nb_frames > 2)
211 if (!nb_invalid && nb_frames)
simple assert() macros that are a bit more flexible than ISO C assert().
int avio_read_partial(AVIOContext *s, unsigned char *buf, int size)
Read size bytes from AVIOContext into buf.
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
@ AV_OPT_TYPE_VIDEO_RATE
offset must point to AVRational
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
void av_shrink_packet(AVPacket *pkt, int size)
Reduce packet size, correctly zeroing padding.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
AVStream * avformat_new_stream(AVFormatContext *s, const AVCodec *c)
Add a new stream to a media file.
@ AVMEDIA_TYPE_DATA
Opaque data information usually continuous.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
#define FF_RAW_DEMUXER_CLASS(name)
#define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)
enum AVMediaType codec_type
General type of the encoded data.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
This structure stores compressed data.
int64_t pos
byte position in stream, -1 if unknown
This structure contains the data a format has to probe a file.
int buf_size
Size of buf except extra allocated bytes.
unsigned char * buf
Buffer must have AVPROBE_PADDING_SIZE of extra allocated bytes filled with zero.
AVCodecContext * avctx
The codec context used by avformat_find_stream_info, the parser, etc.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base.
enum AVStreamParseType need_parsing
AVStreamInternal * internal
An opaque field for libavformat internal usage.