reframe_rawpcm.c File Reference

#include <gpac/avparse.h>
#include <gpac/constants.h>
#include <gpac/filters.h>

Data Structures
struct	GF_PCMReframeCtx

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

Functions
GF_Err	pcmreframe_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static Bool	pcmreframe_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
void	pcmreframe_flush_packet (GF_PCMReframeCtx *ctx)
GF_Err	pcmreframe_process (GF_Filter *filter)
static const char *	pcmreframe_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
static void	pcmreframe_finalize (GF_Filter *filter)
const GF_FilterRegister *	pcmreframe_register (GF_FilterSession *session)

Variables
static GF_FilterCapability	PCMReframeCaps []
static GF_FilterArgs	PCMReframeArgs []
GF_FilterRegister	PCMReframeRegister

---

Data Structure Documentation

GF_PCMReframeCtx

struct GF_PCMReframeCtx

Data Fields
u32	framelen
u32	safmt
u32	sr
u32	ch
GF_FilterPid *	ipid
GF_FilterPid *	opid
Bool	file_loaded
Bool	is_playing
Bool	initial_play_done
u64	cts
u32	frame_size
u32	nb_bytes_in_frame
u32	Bps
u64	filepos
u64	total_frames
GF_FilterPacket *	out_pck
u8 *	out_data
Bool	reverse_play
Bool	done
u32	probe_wave
u32	wav_hdr_size
u8 *	probe_data
u32	probe_data_size

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_PCMReframeCtx, _n)

Function Documentation

pcmreframe_configure_pid()

GF_Err pcmreframe_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

pcmreframe_process_event()

static Bool pcmreframe_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

pcmreframe_flush_packet()

void pcmreframe_flush_packet

(

GF_PCMReframeCtx *

ctx

)

pcmreframe_process()

GF_Err pcmreframe_process

(

GF_Filter *

filter

)

pcmreframe_probe_data()

static const char * pcmreframe_probe_data ( const u8 *  data, u32  size, GF_FilterProbeScore *  score  )

static

pcmreframe_finalize()

static void pcmreframe_finalize ( GF_Filter *  filter )

static

pcmreframe_register()

const GF_FilterRegister * pcmreframe_register

(

GF_FilterSession *

session

)

Variable Documentation

PCMReframeCaps

GF_FilterCapability PCMReframeCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_FILE_EXT, "pcm"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "audio/x-pcm"),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_RAW),
        CAP_BOOL(GF_CAPS_OUTPUT_STATIC_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_FILE_EXT, "wav"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "audio/wav"),
}

PCMReframeArgs

GF_FilterArgs PCMReframeArgs[]

static

Initial value:

=
{
        { OFFS(sr), "sample rate", GF_PROP_UINT, "44100", NULL, 0},
        { OFFS(safmt), "audio format", GF_PROP_PCMFMT, "none", NULL, 0},
        { OFFS(ch), "number of channels", GF_PROP_UINT, "2", NULL, 0},
        { OFFS(framelen), "number of samples to put in one audio frame. For planar formats, indicate plane size in samples", GF_PROP_UINT, "1024", NULL, GF_FS_ARG_HINT_ADVANCED},
        {0}
}

PCMReframeRegister

GF_FilterRegister PCMReframeRegister

Initial value:

= {
        .name = "rfpcm",
 
 
        .private_size = sizeof(GF_PCMReframeCtx),
        .args = PCMReframeArgs,
        SETCAPS(PCMReframeCaps),
        .finalize = pcmreframe_finalize,
        .configure_pid = pcmreframe_configure_pid,
        .process = pcmreframe_process,
        .process_event = pcmreframe_process_event,
        .probe_data = pcmreframe_probe_data
}