41 #define OFFSET(x) offsetof(GMEContext, x)
42 #define A AV_OPT_FLAG_AUDIO_PARAM
43 #define D AV_OPT_FLAG_DECODING_PARAM
47 {
"max_size",
"set max file size supported (in bytes)",
OFFSET(max_size),
AV_OPT_TYPE_INT64, {.i64 = 50 * 1024 * 1024}, 0, SIZE_MAX,
A|
D},
60 gme_info_t *info =
NULL;
71 add_meta(
s,
"copyright", info->copyright);
82 #define AUDIO_PKT_SIZE 512
117 "value %"PRIi64
", consider increasing the max_size option\n",
185 if (gme_identify_header(p->
buf)[0]) {
int64_t avio_size(AVIOContext *s)
Get the filesize.
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)
#define flags(name, subs,...)
simple arithmetic expression evaluator
static int read_header(FFV1Context *f)
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.
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
#define AVERROR_BUFFER_TOO_SMALL
Buffer too small.
#define AVERROR_EXTERNAL
Generic error in an external library.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AVERROR_STREAM_NOT_FOUND
Stream not found.
#define AVERROR_EOF
End of file.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const char * av_default_item_name(void *ptr)
Return the context name.
#define LIBAVUTIL_VERSION_INT
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static av_cold int read_close(AVFormatContext *ctx)
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
static const AVOption options[]
static int load_metadata(AVFormatContext *s, int64_t *duration)
static int read_seek_gme(AVFormatContext *s, int stream_idx, int64_t ts, int flags)
AVInputFormat ff_libgme_demuxer
static int read_header_gme(AVFormatContext *s)
static int probe_gme(const AVProbeData *p)
static int read_close_gme(AVFormatContext *s)
static int read_packet_gme(AVFormatContext *s, AVPacket *pkt)
static void add_meta(AVFormatContext *s, const char *name, const char *value)
static const AVClass class_gme
Describe the class of an AVClass context structure.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
enum AVMediaType codec_type
General type of the encoded data.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
int sample_rate
Audio only.
This structure stores compressed data.
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.
AVCodecParameters * codecpar
Codec parameters associated with this stream.
int64_t duration
Decoding: duration of the stream, in stream time base.
static int track_index(VividasDemuxContext *viv, AVFormatContext *s, uint8_t *buf, unsigned size)