library_entry_point.c

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#include <st_static_component_loader.h>
#include <omx_volume_component.h>
#include <omx_audiomixer_component.h>

int omx_component_library_Setup(stLoaderComponentType **stComponents) {
  unsigned int i;
  DEBUG(DEB_LEV_FUNCTION_NAME, "In %s \n",__func__);

  if (stComponents == NULL) {
    DEBUG(DEB_LEV_FUNCTION_NAME, "Out of %s \n",__func__);
    return 2; // Return Number of Components - one for audio volume component
  }

  stComponents[0]->componentVersion.s.nVersionMajor = 1;
  stComponents[0]->componentVersion.s.nVersionMinor = 1;
  stComponents[0]->componentVersion.s.nRevision = 1;
  stComponents[0]->componentVersion.s.nStep = 1;

  stComponents[0]->name = calloc(1, OMX_MAX_STRINGNAME_SIZE);
  if (stComponents[0]->name == NULL) {
    return OMX_ErrorInsufficientResources;
  }
  strcpy(stComponents[0]->name, VOLUME_COMP_NAME);
  stComponents[0]->name_specific_length = 1;
  stComponents[0]->constructor = omx_volume_component_Constructor;

  stComponents[0]->name_specific = calloc(stComponents[0]->name_specific_length,sizeof(char *));
  stComponents[0]->role_specific = calloc(stComponents[0]->name_specific_length,sizeof(char *));

  for(i=0;i<stComponents[0]->name_specific_length;i++) {
    stComponents[0]->name_specific[i] = calloc(1, OMX_MAX_STRINGNAME_SIZE);
    if (stComponents[0]->name_specific[i] == NULL) {
      return OMX_ErrorInsufficientResources;
    }
  }
  for(i=0;i<stComponents[0]->name_specific_length;i++) {
    stComponents[0]->role_specific[i] = calloc(1, OMX_MAX_STRINGNAME_SIZE);
    if (stComponents[0]->role_specific[i] == NULL) {
      return OMX_ErrorInsufficientResources;
    }
  }

  strcpy(stComponents[0]->name_specific[0], VOLUME_COMP_NAME);
  strcpy(stComponents[0]->role_specific[0], VOLUME_COMP_ROLE);

  stComponents[0]->nqualitylevels = VOLUME_QUALITY_LEVELS;
  stComponents[0]->multiResourceLevel = malloc(stComponents[0]->nqualitylevels * sizeof(multiResourceDescriptor *));
  for (i=0; i<stComponents[0]->nqualitylevels; i++) {
      stComponents[0]->multiResourceLevel[i] = malloc(sizeof(multiResourceDescriptor));
      stComponents[0]->multiResourceLevel[i]->CPUResourceRequested = volumeQualityLevels[i * 2];
      stComponents[0]->multiResourceLevel[i]->MemoryResourceRequested = volumeQualityLevels[i * 2 + 1];
  }

  stComponents[1]->componentVersion.s.nVersionMajor = 1;
  stComponents[1]->componentVersion.s.nVersionMinor = 1;
  stComponents[1]->componentVersion.s.nRevision = 1;
  stComponents[1]->componentVersion.s.nStep = 1;

  stComponents[1]->name = calloc(1, OMX_MAX_STRINGNAME_SIZE);
  if (stComponents[1]->name == NULL) {
    return OMX_ErrorInsufficientResources;
  }
  strcpy(stComponents[1]->name, MIXER_COMP_NAME);
  stComponents[1]->name_specific_length = 1;
  stComponents[1]->constructor = omx_audio_mixer_component_Constructor;

  stComponents[1]->name_specific = calloc(stComponents[0]->name_specific_length,sizeof(char *));
  stComponents[1]->role_specific = calloc(stComponents[0]->name_specific_length,sizeof(char *));

  for(i=0;i<stComponents[1]->name_specific_length;i++) {
    stComponents[1]->name_specific[i] = calloc(1, OMX_MAX_STRINGNAME_SIZE);
    if (stComponents[1]->name_specific[i] == NULL) {
      return OMX_ErrorInsufficientResources;
    }
  }
  for(i=0;i<stComponents[1]->name_specific_length;i++) {
    stComponents[1]->role_specific[i] = calloc(1, OMX_MAX_STRINGNAME_SIZE);
    if (stComponents[1]->role_specific[i] == NULL) {
      return OMX_ErrorInsufficientResources;
    }
  }

  strcpy(stComponents[1]->name_specific[0], MIXER_COMP_NAME);
  strcpy(stComponents[1]->role_specific[0], MIXER_COMP_ROLE);

  stComponents[1]->nqualitylevels = MIXER_QUALITY_LEVELS;
  stComponents[1]->multiResourceLevel = malloc(stComponents[1]->nqualitylevels * sizeof(multiResourceDescriptor *));
  for (i=0; i<stComponents[1]->nqualitylevels; i++) {
      stComponents[1]->multiResourceLevel[i] = malloc(sizeof(multiResourceDescriptor));
      stComponents[1]->multiResourceLevel[i]->CPUResourceRequested = mixerQualityLevels[i * 2];
      stComponents[1]->multiResourceLevel[i]->MemoryResourceRequested = mixerQualityLevels[i * 2 + 1];
  }

  DEBUG(DEB_LEV_FUNCTION_NAME, "Out of %s \n",__func__);
  return 2;
}