mux_avi.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/internal/avilib.h>

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Data Structures
struct	AVIStream
struct	GF_AVIMuxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(GF_AVIMuxCtx, _n)

Functions
static GF_Err	avimux_open_close (GF_AVIMuxCtx *ctx, const char *filename, const char *ext, u32 file_idx)
static GF_Err	avimux_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static void	avimux_finalize (GF_Filter *filter)
static GF_Err	avimux_process (GF_Filter *filter)
static GF_FilterProbeScore	avimux_probe_url (const char *url, const char *mime)
static GF_Err	avimux_initialize (GF_Filter *filter)
const GF_FilterRegister *	avimx_register (GF_FilterSession *session)

Variables
static const GF_FilterArgs	AVIMuxArgs []
static const GF_FilterCapability	AVIMuxCaps []
static const GF_FilterCapability	AVIMuxCapsNoRAW []
GF_FilterRegister	AVIMuxRegister

---

Data Structure Documentation

AVIStream

struct AVIStream

Collaboration diagram for AVIStream:

Data Fields
u32	width
u32	height
u32	pf
u32	stride
GF_Fraction	fps
u32	sr
u32	bps
u32	nb_ch
u32	wfmt
u32	br
u32	codec_id
u32	format
u32	timescale
Bool	is_video
Bool	is_raw_vid
u32	is_open
u32	tk_idx
GF_FilterPid *	pid
Bool	suspended

GF_AVIMuxCtx

struct GF_AVIMuxCtx

Collaboration diagram for GF_AVIMuxCtx:

Data Fields
char *	dst
GF_Fraction	fps
Bool	noraw
u64	opendml_size
avi_t *	avi_out
u32	nb_write
GF_List *	streams
Bool	has_video
char	comp_name[5]
u64	last_video_time_ms
Bool	video_is_eos
char *	buf_tmp
u32	buf_alloc
Bool	in_error
u32	cur_file_idx_plus_one

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_AVIMuxCtx, _n)

Function Documentation

avimux_open_close()

static GF_Err avimux_open_close ( GF_AVIMuxCtx *  ctx, const char *  filename, const char *  ext, u32  file_idx  )

static

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avimux_configure_pid()

static GF_Err avimux_configure_pid ( GF_Filter *  filter, GF_FilterPid *  pid, Bool  is_remove  )

static

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avimux_finalize()

static void avimux_finalize ( GF_Filter *  filter )

static

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avimux_process()

static GF_Err avimux_process ( GF_Filter *  filter )

static

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avimux_probe_url()

static GF_FilterProbeScore avimux_probe_url ( const char *  url, const char *  mime  )

static

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avimux_initialize()

static GF_Err avimux_initialize ( GF_Filter *  filter )

static

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avimx_register()

const GF_FilterRegister* avimx_register

(

GF_FilterSession *

session

)

Variable Documentation

AVIMuxArgs

const GF_FilterArgs AVIMuxArgs[]

static

Initial value:

=
{
        { OFFS(dst), "location of destination file", GF_PROP_NAME, NULL, NULL, 0},
        { OFFS(fps), "default framerate if none indicated in stream", GF_PROP_FRACTION, "25/1", NULL, 0},
        { OFFS(noraw), "disable raw output in AVI, only compressed ones allowed", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(opendml_size), "force opendml format when chunks are larger than this amount (0 means 1.9Gb max size in each riff chunk)", GF_PROP_LUINT, "0", NULL, GF_FS_ARG_HINT_EXPERT},
        {0}
}

AVIMuxCaps

const GF_FilterCapability AVIMuxCaps[]

static

AVIMuxCapsNoRAW

const GF_FilterCapability AVIMuxCapsNoRAW[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_AVC),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG4_PART2),
        CAP_BOOL(GF_CAPS_INPUT,GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_AAC_MPEG4),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_AAC_MPEG2_MP),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_AAC_MPEG2_LCP),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_AAC_MPEG2_SSRP),
        
        CAP_BOOL(GF_CAPS_INPUT,GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG_AUDIO),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG2_PART3),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG_AUDIO_L1),
        
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
}

AVIMuxRegister

GF_FilterRegister AVIMuxRegister

Initial value:

= {
        .name = "avimx",
 
        GF_FS_SET_HELP("This filter multiplexes raw or compressed audio and video to produce an AVI output.\n"
                "\n"
                "Unlike other multiplexing filters in GPAC, this filter is a sink filter and does not produce any PID to be redirected in the graph.\n"
                "The filter can however use template names for its output, using the first input PID to resolve the final name.\n"
                "The filter watches the property `FileNumber` on incoming packets to create new files.\n"
                "\n"
                "The filter will look for property `AVIType` set on the input stream.\n"
                "The value can either be a 4CC or a string, indicating the mux format for the PID.\n"
                "If the string is prefixed with `+` and the decoder configuration is present and formatted as an ISOBMFF box, the box header will be removed.\n"
        )
        .private_size = sizeof(GF_AVIMuxCtx),
        .max_extra_pids = -1,
        .args = AVIMuxArgs,
        SETCAPS(AVIMuxCaps),
        .probe_url = avimux_probe_url,
        .initialize = avimux_initialize,
        .finalize = avimux_finalize,
        .configure_pid = avimux_configure_pid,
        .process = avimux_process,
        .flags = GF_FS_REG_TEMP_INIT,
        .hint_class_type = GF_FS_CLASS_MULTIPLEXER
}