tsmf_decoder.c

 
#include <freerdp/config.h>
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <freerdp/addin.h>
#include <freerdp/client/channels.h>
 
#include "tsmf_types.h"
#include "tsmf_constants.h"
#include "tsmf_decoder.h"
 
static ITSMFDecoder* tsmf_load_decoder_by_name(const char* name)
{
  ITSMFDecoder* decoder = NULL;
  union
  {
    PVIRTUALCHANNELENTRY pvce;
    TSMF_DECODER_ENTRY entry;
  } cnv;
  cnv.pvce = freerdp_load_channel_addin_entry("tsmf", name, "decoder", 0);
 
  if (!cnv.entry)
    return NULL;
 
  const UINT rc = cnv.entry(&decoder);
 
  if ((rc != CHANNEL_RC_OK) || !decoder)
  {
    WLog_ERR(TAG, "failed to call export function in %s", name);
    return NULL;
  }
 
  return decoder;
}
 
static BOOL tsmf_decoder_set_format(ITSMFDecoder* decoder, TS_AM_MEDIA_TYPE* media_type)
{
  if (decoder->SetFormat(decoder, media_type))
    return TRUE;
  else
    return FALSE;
}
 
ITSMFDecoder* tsmf_load_decoder(const char* name, TS_AM_MEDIA_TYPE* media_type)
{
  ITSMFDecoder* decoder = NULL;
 
  if (name)
    decoder = tsmf_load_decoder_by_name(name);
 
#if defined(WITH_GSTREAMER_1_0)
  if (!decoder)
    decoder = tsmf_load_decoder_by_name("gstreamer");
#endif
 
#if defined(WITH_VIDEO_FFMPEG)
  if (!decoder)
    decoder = tsmf_load_decoder_by_name("ffmpeg");
#endif
 
  if (decoder)
  {
    if (!tsmf_decoder_set_format(decoder, media_type))
    {
      decoder->Free(decoder);
      decoder = NULL;
    }
  }
 
  return decoder;
}
 
BOOL tsmf_check_decoder_available(const char* name)
{
  ITSMFDecoder* decoder = NULL;
  BOOL retValue = FALSE;
 
  if (name)
  {
    decoder = tsmf_load_decoder_by_name(name);
  }
#if defined(WITH_GSTREAMER_1_0)
  if (!decoder)
    decoder = tsmf_load_decoder_by_name("gstreamer");
#endif
 
#if defined(WITH_VIDEO_FFMPEG)
  if (!decoder)
    decoder = tsmf_load_decoder_by_name("ffmpeg");
#endif
 
  if (decoder)
  {
    decoder->Free(decoder);
    decoder = NULL;
    retValue = TRUE;
  }
 
  return retValue;
}