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/*
* xvdr_metronom.c:
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: xvdr_metronom.c,v 1.11 2010-03-21 10:44:24 phintuka Exp $
*
*/
#include <stdlib.h>
#include <xine/xine_internal.h>
#include <xine/metronom.h>
#define LOG_MODULENAME "[metronom ] "
#define SysLogLevel iSysLogLevel
#include "../logdefs.h"
#define XVDR_METRONOM_COMPILE
#include "xvdr_metronom.h"
static void got_video_frame(metronom_t *metronom, vo_frame_t *frame)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
int64_t pts = frame->pts;
this->video_frames++;
if (this->frame_decoded)
this->frame_decoded(this->handle, this->video_frames, this->audio_frames);
if (this->still_mode) {
LOGMSG("Still frame, type %d", frame->picture_coding_type);
frame->pts = 0;
}
if (this->trickspeed) {
frame->pts = 0;
frame->duration *= 12; /* GOP */
}
this->orig_metronom->got_video_frame (this->orig_metronom, frame);
frame->pts = pts;
}
static int64_t got_audio_samples(metronom_t *metronom, int64_t pts, int nsamples)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
this->audio_frames++;
if (this->frame_decoded)
this->frame_decoded(this->handle, this->video_frames, this->audio_frames);
return this->orig_metronom->got_audio_samples (this->orig_metronom, pts, nsamples);
}
/*
* dummy hooks
*/
static int64_t got_spu_packet(metronom_t *metronom, int64_t pts)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
return this->orig_metronom->got_spu_packet(this->orig_metronom, pts);
}
static void handle_audio_discontinuity(metronom_t *metronom, int type, int64_t disc_off)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
this->orig_metronom->handle_audio_discontinuity(this->orig_metronom, type, disc_off);
}
static void handle_video_discontinuity(metronom_t *metronom, int type, int64_t disc_off)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
this->orig_metronom->handle_video_discontinuity(this->orig_metronom, type, disc_off);
}
static void set_audio_rate(metronom_t *metronom, int64_t pts_per_smpls)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
this->orig_metronom->set_audio_rate(this->orig_metronom, pts_per_smpls);
}
static void set_option(metronom_t *metronom, int option, int64_t value)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
if (option == XVDR_METRONOM_LAST_VO_PTS) {
if (value > 0)
this->last_vo_pts = value;
return;
}
this->orig_metronom->set_option(this->orig_metronom, option, value);
}
static int64_t get_option(metronom_t *metronom, int option)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
if (option == XVDR_METRONOM_LAST_VO_PTS) {
return this->last_vo_pts;
}
if (option == XVDR_METRONOM_TRICK_SPEED) {
return this->trickspeed;
}
if (option == XVDR_METRONOM_STILL_MODE) {
return this->still_mode;
}
return this->orig_metronom->get_option(this->orig_metronom, option);
}
static void set_master(metronom_t *metronom, metronom_t *master)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
this->orig_metronom->set_master(this->orig_metronom, master);
}
static void metronom_exit(metronom_t *metronom)
{
xvdr_metronom_t *this = (xvdr_metronom_t *)metronom;
LOGMSG("xvdr_metronom: metronom_exit() called !");
/* un-hook */
this->unwire(this);
this->stream = NULL;
if (this->orig_metronom) {
metronom_t *orig_metronom = this->orig_metronom;
this->orig_metronom = NULL;
orig_metronom->exit(orig_metronom);
}
}
/*
* xvdr_metronom_t
*/
static void xvdr_metronom_set_cb(xvdr_metronom_t *this,
void (*cb)(void*, uint, uint),
void *handle)
{
this->handle = handle;
this->frame_decoded = cb;
}
static void xvdr_metronom_reset_frames(xvdr_metronom_t *this)
{
this->video_frames = this->audio_frames = 0;
}
static void xvdr_metronom_set_trickspeed(xvdr_metronom_t *this, int trickspeed)
{
this->trickspeed = trickspeed;
}
static void xvdr_metronom_set_still_mode(xvdr_metronom_t *this, int still_mode)
{
this->still_mode = still_mode;
}
static void xvdr_metronom_wire(xvdr_metronom_t *this)
{
if (!this->stream) {
LOGMSG("xvdr_metronom_wire(): stream == NULL !");
return;
}
if (!this->stream->metronom) {
LOGMSG("xvdr_metronom_wire(): stream->metronom == NULL !");
return;
}
if (!this->wired) {
this->wired = 1;
/* attach to stream */
this->orig_metronom = this->stream->metronom;
this->stream->metronom = &this->metronom;
}
}
static void xvdr_metronom_unwire(xvdr_metronom_t *this)
{
if (this->stream && this->wired) {
this->wired = 0;
/* detach from stream */
this->stream->metronom = this->orig_metronom;
}
}
static void xvdr_metronom_dispose(xvdr_metronom_t *this)
{
xvdr_metronom_unwire(this);
free(this);
}
/*
* init
*/
xvdr_metronom_t *xvdr_metronom_init(xine_stream_t *stream)
{
xvdr_metronom_t *this = calloc(1, sizeof(xvdr_metronom_t));
this->stream = stream;
this->orig_metronom = stream->metronom;
this->set_cb = xvdr_metronom_set_cb;
this->reset_frames = xvdr_metronom_reset_frames;
this->set_trickspeed = xvdr_metronom_set_trickspeed;
this->set_still_mode = xvdr_metronom_set_still_mode;
this->wire = xvdr_metronom_wire;
this->unwire = xvdr_metronom_unwire;
this->dispose = xvdr_metronom_dispose;
this->metronom.set_audio_rate = set_audio_rate;
this->metronom.got_video_frame = got_video_frame;
this->metronom.got_audio_samples = got_audio_samples;
this->metronom.got_spu_packet = got_spu_packet;
this->metronom.handle_audio_discontinuity = handle_audio_discontinuity;
this->metronom.handle_video_discontinuity = handle_video_discontinuity;
this->metronom.set_option = set_option;
this->metronom.get_option = get_option;
this->metronom.set_master = set_master;
this->metronom.exit = metronom_exit;
xvdr_metronom_wire(this);
return this;
}
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