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libstb-hal/libeplayer3/output/output.c

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C
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/*
* Output handling.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* ***************************** */
/* Includes */
/* ***************************** */
#include <stdio.h>
#include <string.h>
#include "common.h"
#include "output.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define OUTPUT_DEBUG
#ifdef OUTPUT_DEBUG
static short debug_level = 0;
#define output_printf(level, x...) do { \
if (debug_level >= level) fprintf(stderr, x); } while (0)
#else
#define output_printf(level, x...)
#endif
#ifndef OUTPUT_SILENT
#define output_err(x...) do { printf(x); } while (0)
#else
#define output_err(x...)
#endif
/* Error Constants */
#define cERR_OUTPUT_NO_ERROR 0
#define cERR_OUTPUT_INTERNAL_ERROR -1
static const char *FILENAME = "output.c";
/* ***************************** */
/* Types */
/* ***************************** */
/* ***************************** */
/* Varaibles */
/* ***************************** */
static Output_t *AvailableOutput[] = {
&LinuxDvbOutput,
&SubtitleOutput,
&PipeOutput,
NULL
};
/* ***************************** */
/* Prototypes */
/* ***************************** */
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static void printOutputCapabilities()
{
int i, j;
output_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
output_printf(10, "Capabilities:\n");
for (i = 0; AvailableOutput[i] != NULL; i++) {
output_printf(10, "\t%s : ", AvailableOutput[i]->Name);
for (j = 0; AvailableOutput[i]->Capabilities[j] != NULL; j++)
output_printf(10, "%s ", AvailableOutput[i]->Capabilities[j]);
output_printf(10, "\n");
}
}
/* ***************************** */
/* Output Functions */
/* ***************************** */
static void OutputAdd(Context_t * context, char *port)
{
int i, j;
output_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
for (i = 0; AvailableOutput[i] != NULL; i++)
for (j = 0; AvailableOutput[i]->Capabilities[j] != NULL; j++)
if (!strcmp(AvailableOutput[i]->Capabilities[j], port)) {
if (!strcmp("audio", port)) {
context->output->audio = AvailableOutput[i];
return;
}
if (!strcmp("video", port)) {
context->output->video = AvailableOutput[i];
return;
}
if (!strcmp("subtitle", port)) {
context->output->subtitle = AvailableOutput[i];
return;
}
if (!strcmp("teletext", port)) {
context->output->teletext = AvailableOutput[i];
return;
}
}
}
static void OutputDel(Context_t * context, char *port)
{
output_printf(10, "%s::%s\n", FILENAME, __FUNCTION__);
if (!strcmp("audio", port))
context->output->audio = NULL;
else if (!strcmp("video", port))
context->output->video = NULL;
else if (!strcmp("subtitle", port))
context->output->subtitle = NULL;
else if (!strcmp("teletext", port))
context->output->teletext = NULL;
}
static int Command(void *_context, OutputCmd_t command, void *argument)
{
Context_t *context = (Context_t *) _context;
int ret = cERR_OUTPUT_NO_ERROR;
output_printf(10, "%s::%s Command %d\n", FILENAME, __FUNCTION__,
command);
switch (command) {
case OUTPUT_OPEN:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_OPEN,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_OPEN,
"audio");
if (context->playback->isSubtitle)
ret |=
context->output->subtitle->Command(context,
OUTPUT_OPEN,
"subtitle");
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_CLOSE:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_CLOSE,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_CLOSE,
"audio");
if (context->playback->isSubtitle)
ret |=
context->output->subtitle->Command(context,
OUTPUT_CLOSE,
"subtitle");
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_ADD:{
OutputAdd(context, (char *) argument);
break;
}
case OUTPUT_DEL:{
OutputDel(context, (char *) argument);
break;
}
case OUTPUT_CAPABILITIES:{
printOutputCapabilities();
break;
}
case OUTPUT_PLAY:{ // 4
if (context && context->playback) {
if (context->playback->isVideo)
ret =
context->output->video->Command(context,
OUTPUT_PLAY,
"video");
if (!ret) { // success or not executed, dunn care
if (context->playback->isAudio)
ret =
context->output->audio->Command(context,
OUTPUT_PLAY,
"audio");
if (!ret) { // success or not executed, dunn care
if (context->playback->isSubtitle)
ret =
context->output->subtitle->Command(context,
OUTPUT_PLAY,
"subtitle");
}
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
}
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_STOP:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_STOP,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_STOP,
"audio");
if (context->playback->isSubtitle)
ret |=
context->output->subtitle->Command(context,
OUTPUT_STOP,
"subtitle");
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_FLUSH:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_FLUSH,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_FLUSH,
"audio");
//if (context->playback->isSubtitle)
// ret |= context->output->subtitle->Command(context, OUTPUT_FLUSH, "subtitle");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_PAUSE:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_PAUSE,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_PAUSE,
"audio");
//if (context->playback->isSubtitle)
// ret |= context->output->subtitle->Command(context, OUTPUT_PAUSE, "subtitle");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_FASTFORWARD:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_FASTFORWARD,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_FASTFORWARD,
"audio");
//if (context->playback->isSubtitle)
// ret |= context->output->subtitle->Command(context, OUTPUT_PAUSE, "subtitle");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_REVERSE:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_REVERSE,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_REVERSE,
"audio");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_CONTINUE:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_CONTINUE,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_CONTINUE,
"audio");
//if (context->playback->isSubtitle)
// ret |= context->output->subtitle->Command(context, OUTPUT_CONTINUE, "subtitle");
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_AVSYNC:{
if (context && context->playback) {
if (context->playback->isVideo
&& context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_AVSYNC,
"audio");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_CLEAR:{
if (context && context->playback) {
if (context->playback->isVideo
&& (argument == NULL || *(char *) argument == 'v'))
ret |=
context->output->video->Command(context,
OUTPUT_CLEAR,
"video");
if (context->playback->isAudio
&& (argument == NULL || *(char *) argument == 'a'))
ret |=
context->output->audio->Command(context,
OUTPUT_CLEAR,
"audio");
//if (context->playback->isSubtitle && (argument == NULL || *(char *) argument == 's'))
// ret |= context->output->subtitle->Command(context, OUTPUT_CLEAR, "subtitle");
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_PTS:{
if (context && context->playback) {
if (context->playback->isVideo)
return context->output->video->Command(context,
OUTPUT_PTS,
argument);
if (context->playback->isAudio)
return context->output->audio->Command(context,
OUTPUT_PTS,
argument);
//if (context->playback->isSubtitle)
// return context->output->subtitle->Command(context, OUTPUT_PTS, "subtitle");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_SWITCH:{
if (context && context->playback) {
if (context->playback->isAudio)
return context->output->audio->Command(context,
OUTPUT_SWITCH,
"audio");
if (context->playback->isVideo)
return context->output->video->Command(context,
OUTPUT_SWITCH,
"video");
if (context->playback->isTeletext)
ret |=
context->output->teletext->Command(context,
command,
"teletext");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_SLOWMOTION:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_SLOWMOTION,
"video");
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_SLOWMOTION,
"audio");
//if (context->playback->isSubtitle)
// ret |= context->output->subtitle->Command(context, OUTPUT_PAUSE, "subtitle");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_AUDIOMUTE:{
if (context && context->playback) {
if (context->playback->isAudio)
ret |=
context->output->audio->Command(context,
OUTPUT_AUDIOMUTE,
(char *) argument);
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_DISCONTINUITY_REVERSE:{
if (context && context->playback) {
if (context->playback->isVideo)
ret |=
context->output->video->Command(context,
OUTPUT_DISCONTINUITY_REVERSE,
(void *) argument);
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
case OUTPUT_GET_FRAME_COUNT:{
if (context && context->playback) {
if (context->playback->isVideo)
return context->output->video->Command(context,
OUTPUT_GET_FRAME_COUNT,
argument);
if (context->playback->isAudio)
return context->output->audio->Command(context,
OUTPUT_GET_FRAME_COUNT,
argument);
//if (context->playback->isSubtitle)
// return context->output->subtitle->Command(context, OUTPUT_GET_FRAME_COUNT, "subtitle");
} else
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
default:
output_err("%s::%s OutputCmd %d not supported!\n", FILENAME,
__FUNCTION__, command);
ret = cERR_OUTPUT_INTERNAL_ERROR;
break;
}
output_printf(10, "%s::%s exiting with value %d\n", FILENAME,
__FUNCTION__, ret);
return ret;
}
OutputHandler_t OutputHandler = {
"Output",
NULL,
NULL,
NULL,
NULL, // teletext
&Command
};
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