/*

Copyright (c) 2012, Broadcom Europe Ltd

Copyright (c) 2012, OtherCrashOverride

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the

documentation and/or other materials provided with the distribution.

* Neither the name of the copyright holder nor the

names of its contributors may be used to endorse or promote products

derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY

DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

// Video deocode demo using OpenMAX IL though the ilcient helper library

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <math.h>

#include "bcm_host.h"

#include "ilclient.h"

#define OMX_INIT_STRUCTURE(a) \

memset(&(a), 0, sizeof(a)); \

(a).nSize = sizeof(a); \

(a).nVersion.s.nVersionMajor = OMX_VERSION_MAJOR; \

(a).nVersion.s.nVersionMinor = OMX_VERSION_MINOR; \

(a).nVersion.s.nRevision = OMX_VERSION_REVISION; \

(a).nVersion.s.nStep = OMX_VERSION_STEP

static OMX_BUFFERHEADERTYPE* eglBuffer = NULL;

static COMPONENT_T* video_render = NULL;

OMX_VIDEO_PARAM_PORTFORMATTYPE format;

OMX_TIME_CONFIG_CLOCKSTATETYPE cstate;

OMX_TIME_CONFIG_ACTIVEREFCLOCKTYPE cref;

COMPONENT_T *video_decode = NULL, *video_scheduler = NULL, *omx_clock = NULL;

COMPONENT_T *list[5];

TUNNEL_T tunnel[4];

ILCLIENT_T *client;

FILE *in;

pthread_mutex_t m_lock;

static void* eglImage = 0;

int stop_flag;

char* filename;

void my_fill_buffer_done(void* data, COMPONENT_T* comp)

{

if (OMX_FillThisBuffer(ilclient_get_handle(video_render), eglBuffer) != OMX_ErrorNone)

{

printf("OMX_FillThisBuffer failed in callback\n");

//~ exit(1);

}

}

int decoding_thread_setSpeed(float speed){

printf("try to lock thread\n");

if(ILC_GET_HANDLE(omx_clock) == NULL) return -1;

pthread_mutex_lock(&m_lock);

OMX_ERRORTYPE omx_err = OMX_ErrorNone;

OMX_TIME_CONFIG_SCALETYPE scaleType;

OMX_INIT_STRUCTURE(scaleType);

scaleType.xScale = floor((speed * pow(2,16)));

printf("set speed to : %.2f, %d\n", speed, scaleType.xScale);

omx_err = OMX_SetParameter(ILC_GET_HANDLE(omx_clock), OMX_IndexConfigTimeScale, &scaleType);

if(omx_err != OMX_ErrorNone)

{

printf("Speed error setting OMX_IndexConfigTimeClockState : %d\n", omx_err);

pthread_mutex_unlock(&m_lock);

return -1;

}

printf("unlock thread\n");

pthread_mutex_unlock(&m_lock);

return 0;

}

// Modified function prototype to work with pthreads

void *video_decode_test(void* arg)

{

pthread_mutex_init(&m_lock, NULL);

printf("OMX version : %d.%d.%d-%d\n",OMX_VERSION_MAJOR, OMX_VERSION_MINOR, OMX_VERSION_REVISION, OMX_VERSION_STEP);

printf("file to read : %s\n", filename);

eglImage = arg;

if (eglImage == 0)

{

printf("eglImage is null.\n");

exit(1);

}

int status = 0;

unsigned int data_len = 0;

int packet_size = 80<<10;

memset(list, 0, sizeof(list));

memset(tunnel, 0, sizeof(tunnel));

if((in = fopen(filename, "rb")) == NULL)

return (void *)-2;

if((client = ilclient_init()) == NULL)

{

fclose(in);

return (void *)-3;

}

if(OMX_Init() != OMX_ErrorNone)

{

ilclient_destroy(client);

fclose(in);

return (void *)-4;

}

// callback

ilclient_set_fill_buffer_done_callback(client, my_fill_buffer_done, 0);

// create video_decode

if(ilclient_create_component(client, &video_decode, "video_decode", ILCLIENT_DISABLE_ALL_PORTS | ILCLIENT_ENABLE_INPUT_BUFFERS) != 0)

status = -14;

list[0] = video_decode;

// create video_render

//if(status == 0 && ilclient_create_component(client, &video_render, "video_render", ILCLIENT_DISABLE_ALL_PORTS) != 0)

if(status == 0 && ilclient_create_component(client, &video_render, "egl_render", ILCLIENT_DISABLE_ALL_PORTS | ILCLIENT_ENABLE_OUTPUT_BUFFERS) != 0)

status = -14;

list[1] = video_render;

// create clock

if(status == 0 && ilclient_create_component(client, &omx_clock, "clock", ILCLIENT_DISABLE_ALL_PORTS) != 0)

status = -14;

list[2] = omx_clock;

memset(&cstate, 0, sizeof(cstate));

cstate.nSize = sizeof(cstate);

cstate.nVersion.nVersion = OMX_VERSION;

cstate.eState = OMX_TIME_ClockStateWaitingForStartTime;

cstate.nWaitMask = 1;

if(omx_clock != NULL && OMX_SetParameter(ILC_GET_HANDLE(omx_clock), OMX_IndexConfigTimeClockState, &cstate) != OMX_ErrorNone)

status = -13;

// set the clock refenrece to "none"

memset(&cref,0,sizeof(cref));

cref.nSize = sizeof(cref);

cref.nVersion.nVersion = OMX_VERSION;

cref.eClock = OMX_TIME_RefClockNone;

if(omx_clock != NULL && OMX_SetParameter(ILC_GET_HANDLE(omx_clock), OMX_IndexConfigTimeActiveRefClock, &cref) != OMX_ErrorNone){

status = -13;

printf("error setting refclock\n");

}

// create video_scheduler

if(status == 0 && ilclient_create_component(client, &video_scheduler, "video_scheduler", ILCLIENT_DISABLE_ALL_PORTS) != 0)

status = -14;

list[3] = video_scheduler;

set_tunnel(tunnel, video_decode, 131, video_scheduler, 10);

//set_tunnel(tunnel+1, video_scheduler, 11, video_render, 90);

set_tunnel(tunnel+1, video_scheduler, 11, video_render, 220);

set_tunnel(tunnel+2, omx_clock, 80, video_scheduler, 12);

// setup clock tunnel first

if(status == 0 && ilclient_setup_tunnel(tunnel+2, 0, 0) != 0)

status = -15;

else

ilclient_change_component_state(omx_clock, OMX_StateExecuting);

if(status == 0)

ilclient_change_component_state(video_decode, OMX_StateIdle);

memset(&format, 0, sizeof(OMX_VIDEO_PARAM_PORTFORMATTYPE));

format.nSize = sizeof(OMX_VIDEO_PARAM_PORTFORMATTYPE);

format.nVersion.nVersion = OMX_VERSION;

format.nPortIndex = 130;

format.eCompressionFormat = OMX_VIDEO_CodingAVC;

if(status == 0 &&

OMX_SetParameter(ILC_GET_HANDLE(video_decode), OMX_IndexParamVideoPortFormat, &format) == OMX_ErrorNone &&

ilclient_enable_port_buffers(video_decode, 130, NULL, NULL, NULL) == 0)

{

OMX_BUFFERHEADERTYPE *buf;

int port_settings_changed = 0;

int first_packet = 1;

ilclient_change_component_state(video_decode, OMX_StateExecuting);

while((buf = ilclient_get_input_buffer(video_decode, 130, 1)) != NULL && stop_flag==0 )

{

// feed data and wait until we get port settings changed

unsigned char *dest = buf->pBuffer;

// loop if at end

if (feof(in))

rewind(in);

data_len += fread(dest, 1, packet_size-data_len, in);

if(port_settings_changed == 0 &&

((data_len > 0 && ilclient_remove_event(video_decode, OMX_EventPortSettingsChanged, 131, 0, 0, 1) == 0) ||

(data_len == 0 && ilclient_wait_for_event(video_decode, OMX_EventPortSettingsChanged, 131, 0, 0, 1,

ILCLIENT_EVENT_ERROR | ILCLIENT_PARAMETER_CHANGED, 10000) == 0)))

{

port_settings_changed = 1;

if(ilclient_setup_tunnel(tunnel, 0, 0) != 0)

{

status = -7;

break;

}

ilclient_change_component_state(video_scheduler, OMX_StateExecuting);

// now setup tunnel to video_render

if(ilclient_setup_tunnel(tunnel+1, 0, 1000) != 0)

{

status = -12;

break;

}

// Set egl_render to idle

ilclient_change_component_state(video_render, OMX_StateIdle);

// Enable the output port and tell egl_render to use the texture as a buffer

//ilclient_enable_port(video_render, 221); THIS BLOCKS SO CANT BE USED

if (OMX_SendCommand(ILC_GET_HANDLE(video_render), OMX_CommandPortEnable, 221, NULL) != OMX_ErrorNone)

{

printf("OMX_CommandPortEnable failed.\n");

exit(1);

}

if (OMX_UseEGLImage(ILC_GET_HANDLE(video_render), &eglBuffer, 221, NULL, eglImage) != OMX_ErrorNone)

{

printf("OMX_UseEGLImage failed.\n");

exit(1);

}

// Set egl_render to executing

ilclient_change_component_state(video_render, OMX_StateExecuting);

// Request egl_render to write data to the texture buffer

if(OMX_FillThisBuffer(ILC_GET_HANDLE(video_render), eglBuffer) != OMX_ErrorNone)

{

printf("OMX_FillThisBuffer failed.\n");

//~ exit(1);

}

}

if(!data_len)

break;

buf->nFilledLen = data_len;

data_len = 0;

buf->nOffset = 0;

if(first_packet)

{

buf->nFlags = OMX_BUFFERFLAG_STARTTIME;

first_packet = 0;

}

else

buf->nFlags = OMX_BUFFERFLAG_TIME_UNKNOWN;

if(OMX_EmptyThisBuffer(ILC_GET_HANDLE(video_decode), buf) != OMX_ErrorNone)

{

status = -6;

break;

}

}

printf("loop ends, now flush the buffer\n");

OMX_SendCommand(ILC_GET_HANDLE(video_decode),OMX_CommandFlush,130,NULL);

OMX_SendCommand(ILC_GET_HANDLE(video_decode),OMX_CommandFlush,131,NULL);

ilclient_wait_for_event(video_decode, OMX_EventCmdComplete, OMX_CommandFlush, 0, 130, 0, ILCLIENT_PORT_FLUSH, -1);

ilclient_wait_for_event(video_decode, OMX_EventCmdComplete, OMX_CommandFlush, 0, 131, 0, ILCLIENT_PORT_FLUSH, -1);

data_len=0;

memset(&cstate, 0, sizeof(cstate));

cstate.nSize = sizeof(cstate);

cstate.nVersion.nVersion = OMX_VERSION;

cstate.eState = OMX_TIME_ClockStateStopped;

cstate.nWaitMask = 1;

OMX_SetParameter(ILC_GET_HANDLE(omx_clock), OMX_IndexConfigTimeClockState, &cstate);

memset(&cstate, 0, sizeof(cstate));

cstate.nSize = sizeof(cstate);

cstate.nVersion.nVersion = OMX_VERSION;

cstate.eState = OMX_TIME_ClockStateWaitingForStartTime;

cstate.nWaitMask = 1;

OMX_SetParameter(ILC_GET_HANDLE(omx_clock), OMX_IndexConfigTimeClockState, &cstate);

//~ scheduler should be stopped...

buf->nFilledLen = 0;

buf->nFlags = OMX_BUFFERFLAG_TIME_UNKNOWN | OMX_BUFFERFLAG_EOS;

if(OMX_EmptyThisBuffer(ILC_GET_HANDLE(video_decode), buf) != OMX_ErrorNone)

status = -20;

// wait for EOS from render

//~ printf("wait for EOS from render\n");

//~ ilclient_wait_for_event(video_render, OMX_EventBufferFlag, 90, 0, OMX_BUFFERFLAG_EOS, 0,

//~ ILCLIENT_BUFFER_FLAG_EOS, 10000);

while ((ilclient_remove_event(video_render, OMX_EventBufferFlag, 90, 0, OMX_BUFFERFLAG_EOS, 0) <0 ) && !stop_flag){

}

printf("flush the render\n");

// need to flush the renderer to allow video_decode to disable its input port

ilclient_flush_tunnels(tunnel, 0);

ilclient_disable_port_buffers(video_decode, 130, NULL, NULL, NULL);

}

printf("close file\n");

fclose(in);

ilclient_disable_tunnel(tunnel);

ilclient_disable_tunnel(tunnel+1);

ilclient_disable_tunnel(tunnel+2);

ilclient_teardown_tunnels(tunnel);

ilclient_state_transition(list, OMX_StateIdle);

ilclient_state_transition(list, OMX_StateLoaded);

ilclient_cleanup_components(list);

OMX_Deinit();

ilclient_destroy(client);

printf("thread will return...\n");

pthread_mutex_destroy(&m_lock);

return (void *)status;

}