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/*
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 decode demo using OpenMAX IL though the ilcient helper library
#include <stdio.h>
#include <stdlib.h>
#include <string.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* egl_render = NULL;
static COMPONENT_T* image_fx = NULL;
int frameCounter = 0;
static void* eglImage = 0;
OMX_IMAGEFILTERTYPE imageFilters[25];
void my_fill_buffer_done(void* data, COMPONENT_T* comp)
{
 
 if(frameCounter+1<25)
 {
 frameCounter++;
 }else
 {
 frameCounter=0;
 }
 OMX_CONFIG_IMAGEFILTERTYPE imagefilterConfig;
 OMX_INIT_STRUCTURE(imagefilterConfig); 
 imagefilterConfig.nPortIndex = 191;
 imagefilterConfig.eImageFilter = OMX_ImageFilterNegative;//imageFilters[frameCounter];
 
 OMX_SetConfig(ILC_GET_HANDLE(image_fx), OMX_IndexConfigCommonImageFilter, &imagefilterConfig);
 printf("frameCounter: %d \n", frameCounter);
 if (OMX_FillThisBuffer(ilclient_get_handle(egl_render), eglBuffer) != OMX_ErrorNone)
 {
 printf("OMX_FillThisBuffer failed in callback\n");
 exit(1);
 }
}
// Modified function prototype to work with pthreads
void *video_decode_test(void* arg)
{
 const char* filename = "/opt/vc/src/hello_pi/hello_video/test.h264";
 eglImage = arg;
 if (eglImage == 0)
 {
 printf("eglImage is null.\n");
 exit(1);
 }
 imageFilters[0] = OMX_ImageFilterNone;
 imageFilters[1] = OMX_ImageFilterNoise;
 imageFilters[2] = OMX_ImageFilterEmboss;
 imageFilters[3] = OMX_ImageFilterNegative;
 imageFilters[4] = OMX_ImageFilterSketch;
 imageFilters[5] = OMX_ImageFilterOilPaint;
 imageFilters[6] = OMX_ImageFilterHatch;
 imageFilters[7] = OMX_ImageFilterGpen;
 imageFilters[8] = OMX_ImageFilterAntialias;
 imageFilters[9] = OMX_ImageFilterDeRing;
 imageFilters[10] = OMX_ImageFilterSolarize;
 imageFilters[11] = OMX_ImageFilterWatercolor;
 imageFilters[12] = OMX_ImageFilterPastel;
 imageFilters[13] = OMX_ImageFilterSharpen;
 imageFilters[14] = OMX_ImageFilterFilm;
 imageFilters[15] = OMX_ImageFilterBlur;
 imageFilters[16] = OMX_ImageFilterSaturation;
 imageFilters[17] = OMX_ImageFilterDeInterlaceLineDouble;
 imageFilters[18] = OMX_ImageFilterDeInterlaceAdvanced;
 imageFilters[19] = OMX_ImageFilterColourSwap;
 imageFilters[20] = OMX_ImageFilterWashedOut;
 imageFilters[21] = OMX_ImageFilterColourPoint;
 imageFilters[22] = OMX_ImageFilterPosterise;
 imageFilters[23] = OMX_ImageFilterColourBalance;
 imageFilters[24] = OMX_ImageFilterCartoon;
 OMX_VIDEO_PARAM_PORTFORMATTYPE format;
 OMX_TIME_CONFIG_CLOCKSTATETYPE cstate;
 COMPONENT_T *video_decode = NULL, *video_scheduler = NULL, *clock = NULL;
 COMPONENT_T *list[6];
 TUNNEL_T tunnel[5];
 ILCLIENT_T *client;
 FILE *in;
 int status = 0;
 unsigned int data_len = 0;
 
 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 image_fx
 if(ilclient_create_component(client, &image_fx, "image_fx", ILCLIENT_DISABLE_ALL_PORTS | ILCLIENT_ENABLE_INPUT_BUFFERS) != 0)
 status = -14;
 list[1] = image_fx;
 
 
 // create egl_render
 if(status == 0 && ilclient_create_component(client, &egl_render, "egl_render", ILCLIENT_DISABLE_ALL_PORTS | ILCLIENT_ENABLE_OUTPUT_BUFFERS) != 0)
 status = -14;
 list[2] = egl_render;
 // create clock
 if(status == 0 && ilclient_create_component(client, &clock, "clock", ILCLIENT_DISABLE_ALL_PORTS) != 0)
 status = -14;
 list[3] = clock;
 memset(&cstate, 0, sizeof(cstate)); 
 cstate.nSize = sizeof(cstate);
 cstate.nVersion.nVersion = OMX_VERSION;
 cstate.eState = OMX_TIME_ClockStateWaitingForStartTime;
 cstate.nWaitMask = 1;
 if(clock != NULL && OMX_SetParameter(ILC_GET_HANDLE(clock), OMX_IndexConfigTimeClockState, &cstate) != OMX_ErrorNone)
 status = -13;
 // create video_scheduler
 if(status == 0 && ilclient_create_component(client, &video_scheduler, "video_scheduler", ILCLIENT_DISABLE_ALL_PORTS) != 0)
 status = -14;
 list[4] = video_scheduler;
 
 set_tunnel(tunnel, video_decode, 131, image_fx, 190);
 set_tunnel(tunnel+1, image_fx, 191, video_scheduler, 10);
 set_tunnel(tunnel+2, video_scheduler, 11, egl_render, 220);
 set_tunnel(tunnel+3, clock, 80, video_scheduler, 12);
 
 // setup clock tunnel first
 if(status == 0 && ilclient_setup_tunnel(tunnel+3, 0, 0) != 0)
 status = -15;
 else
 ilclient_change_component_state(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;
#if 1
 OMX_PARAM_U32TYPE extra_buffers;
 OMX_INIT_STRUCTURE(extra_buffers);
 extra_buffers.nU32 = 5;
 
 
 if (OMX_SetParameter(ILC_GET_HANDLE(video_decode), OMX_IndexParamBrcmExtraBuffers, &extra_buffers) != OMX_ErrorNone)
 {
 printf("OMX_IndexParamBrcmExtraBuffers failed.\n");
 exit(1);
 }
#endif
 ilclient_change_component_state(video_decode, OMX_StateExecuting);
 while((buf = ilclient_get_input_buffer(video_decode, 130, 1)) != NULL)
 {
 // 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, buf->nAllocLen-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 image_fx
 if(ilclient_setup_tunnel(tunnel+1, 0, 1000) != 0)
 {
 status = -192;
 break;
 }
 
 // Set image_fx to executing
 ilclient_change_component_state(image_fx, OMX_StateExecuting);
 
 // now setup tunnel to egl_render
 if(ilclient_setup_tunnel(tunnel+2, 0, 1000) != 0)
 {
 status = -12;
 break;
 }
 // Set egl_render to idle
 ilclient_change_component_state(egl_render, OMX_StateIdle);
 // Enable the output port and tell egl_render to use the texture as a buffer
 //ilclient_enable_port(egl_render, 221); THIS BLOCKS SO CANT BE USED
 if (OMX_SendCommand(ILC_GET_HANDLE(egl_render), OMX_CommandPortEnable, 221, NULL) != OMX_ErrorNone)
 {
 printf("OMX_CommandPortEnable failed.\n");
 exit(1);
 }
 if (OMX_UseEGLImage(ILC_GET_HANDLE(egl_render), &eglBuffer, 221, NULL, eglImage) != OMX_ErrorNone)
 {
 printf("OMX_UseEGLImage failed.\n");
 exit(1);
 }
 // Set egl_render to executing
 ilclient_change_component_state(egl_render, OMX_StateExecuting);
 // Request egl_render to write data to the texture buffer
 if(OMX_FillThisBuffer(ILC_GET_HANDLE(egl_render), eglBuffer) != OMX_ErrorNone)
 {
 printf("OMX_FillThisBuffer failed.\n");
 exit(1);
 }
 
 OMX_CONFIG_IMAGEFILTERTYPE imagefilterConfig;
 OMX_INIT_STRUCTURE(imagefilterConfig); 
 imagefilterConfig.nPortIndex = 191;
 imagefilterConfig.eImageFilter = OMX_ImageFilterNegative;
 
 OMX_SetConfig(ILC_GET_HANDLE(image_fx), OMX_IndexConfigCommonImageFilter, &imagefilterConfig);
 printf("test\n");
 
 }
 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;
 } 
 }
 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;
 // 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);
 }
 fclose(in); 
 ilclient_disable_tunnel(tunnel);
 ilclient_disable_tunnel(tunnel+1);
 ilclient_disable_tunnel(tunnel+2);
 ilclient_disable_tunnel(tunnel+3);
 ilclient_teardown_tunnels(tunnel);
 ilclient_state_transition(list, OMX_StateIdle);
 ilclient_state_transition(list, OMX_StateLoaded);
 
 ilclient_cleanup_components(list);
#if 0
 //unwinding ilclient_cleanup_components but nothing prints?
 int i;
 OMX_ERRORTYPE error;
 
 i=0;
 while (list[i])
 {
 ilclient_return_events(list[i]);
 i++;
 }
 error = OMX_FreeHandle(ILC_GET_HANDLE(video_decode));
 if(error == OMX_ErrorNone)
 {
 printf("video_decode component FREED \n");
 }else
 {
 printf("video_decode component FREE FAIL\n");
 }
 error = OMX_FreeHandle(ILC_GET_HANDLE(video_scheduler));
 if(error == OMX_ErrorNone)
 {
 printf("video_scheduler component FREED\n");
 }
 else
 {
 printf("video_decode component FREE FAIL\n");
 
 }
 error = OMX_FreeHandle(ILC_GET_HANDLE(clock));
 if(error == OMX_ErrorNone)
 {
 printf("clock component FREED\n");
 }
 else
 {
 printf("clock component FREE FAIL\n");
 
 }
 error = OMX_FreeHandle(ILC_GET_HANDLE(image_fx));
 if(error == OMX_ErrorNone)
 {
 printf("image_fx component FREED\n");
 }else
 {
 printf("image_fx component FREE FAIL\n");
 
 }
 ilclient_cleanup_components(list); 
#endif
 OMX_Deinit();
 ilclient_destroy(client);
 return (void *)status;
}