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Code Issues Releases Wiki Activity

Move code related to chain initialization and similar

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for different chains to separate routine.



git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25122 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
voroshil 2007-11-20 19:33:27 +00:00
parent 49b320c00c
commit 01658583a4
1 changed files with 77 additions and 79 deletions
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156
stream/tvi_dshow.c
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@ -145,6 +145,7 @@ typedef struct CSampleGrabberCB {
typedef struct {
stream_type type; ///< stream type
const GUID* majortype; ///< GUID of major mediatype (video/audio/vbi)
const GUID* pin_category; ///< pin category (pointer to one of PIN_CATEGORY_*)
IBaseFilter *pCaptureFilter; ///< capture device filter
IAMStreamConfig *pStreamConfig; ///< for configuring stream
@ -2450,6 +2451,66 @@ static inline int audio_buf_size_from_video(int video_buf_size, int video_bitrat
return audio_buf_size;
}
/**
* \brief common chain initialization routine
* \param chain chain data structure
*
* \note pCaptureFilter member should be initialized before call to this routine
*/
static HRESULT init_chain_common(ICaptureGraphBuilder2 *pBuilder, chain_t *chain)
{
HRESULT hr;
int i;
if(!chain->pCaptureFilter)
return E_POINTER;
show_filter_info(chain->pCaptureFilter);
hr = OLE_CALL_ARGS(pBuilder, FindPin,
(IUnknown *) chain->pCaptureFilter,
PINDIR_OUTPUT, chain->pin_category,
chain->majortype, FALSE, 0, &chain->pCapturePin);
if (FAILED(hr)) {
mp_msg(MSGT_TV,MSGL_DBG2, "tvi_dshow: FindPin(pCapturePin) call failed. Error:0x%x\n", (unsigned int)hr);
return hr;
}
hr = OLE_CALL_ARGS(pBuilder, FindInterface,
chain->pin_category,
chain->majortype,
chain->pCaptureFilter,
&IID_IAMStreamConfig,
(void **) &(chain->pStreamConfig));
if (FAILED(hr))
chain->pStreamConfig = NULL;
/*
Getting available video formats (last pointer in array will be NULL)
First tryin to call IAMStreamConfig::GetStreamCaos. this will give us additional information such as
min/max picture dimensions, etc. If this call fails trying IPIn::EnumMediaTypes with default
min/max values.
*/
hr = get_available_formats_stream(chain);
if (FAILED(hr)) {
mp_msg(MSGT_TV, MSGL_DBG2, "Unable to use IAMStreamConfig for retriving available formats (Error:0x%x). Using EnumMediaTypes instead\n", (unsigned int)hr);
hr = get_available_formats_pin(pBuilder, chain);
if(FAILED(hr)){
chain->arpmt = calloc(1, sizeof(AM_MEDIA_TYPE *));
chain->arStreamCaps = calloc(1, sizeof(void*));
}
}
chain->nFormatUsed = 0;
//If argument to CreateMediaType is NULL then result will be NULL too.
chain->pmt = CreateMediaType(chain->arpmt[0]);
for (i = 0; chain->arpmt[i]; i++)
DisplayMediaType("Available format", chain->arpmt[i]);
return S_OK;
}
/**
* \brief build video stream chain in graph
* \param priv private data structure
@ -2639,10 +2700,13 @@ static int init(priv_t * priv)
priv->chains[0]->type=video;
priv->chains[0]->majortype=&MEDIATYPE_Video;
priv->chains[0]->pin_category=&PIN_CATEGORY_CAPTURE;
priv->chains[1]->type=audio;
priv->chains[1]->majortype=&MEDIATYPE_Audio;
priv->chains[1]->pin_category=&PIN_CATEGORY_CAPTURE;
priv->chains[2]->type=vbi;
priv->chains[2]->majortype=&MEDIATYPE_VBI;
priv->chains[2]->pin_category=&PIN_CATEGORY_VBI;
do{
hr = CoCreateInstance((GUID *) & CLSID_FilterGraph, NULL,
@ -2720,28 +2784,6 @@ static int init(priv_t * priv)
priv->pCrossbar = NULL;
}
hr = OLE_CALL_ARGS(priv->pBuilder, FindInterface,
&PIN_CATEGORY_CAPTURE,
priv->chains[0]->majortype,
priv->chains[0]->pCaptureFilter,
&IID_IAMStreamConfig,
(void **) &(priv->chains[0]->pStreamConfig));
if (FAILED(hr)) {
mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TVI_DS_ChangingWidthHeightNotSupported);
priv->chains[0]->pStreamConfig = NULL;
}
hr = OLE_CALL_ARGS(priv->pBuilder, FindInterface,
&PIN_CATEGORY_CAPTURE,
priv->chains[1]->majortype,
priv->chains[1]->pCaptureFilter,
&IID_IAMStreamConfig,
(void **) &(priv->chains[1]->pStreamConfig));
if (FAILED(hr)) {
mp_msg(MSGT_TV, MSGL_DBG2, "tvi_dshow: Get IAMStreamConfig(audio) failed (0x%x).\n", (unsigned int)hr);
priv->chains[1]->pStreamConfig = NULL;
}
if (priv->tv_param->amode >= 0) {
IAMTVAudio *pTVAudio;
hr = OLE_CALL_ARGS(priv->pBuilder, FindInterface, NULL, NULL,priv->chains[0]->pCaptureFilter,&IID_IAMTVAudio, (void *) &pTVAudio);
@ -2767,23 +2809,20 @@ static int init(priv_t * priv)
mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TVI_DS_UnableSetAudioMode, priv->tv_param->amode,(unsigned int)hr);
}
}
/*
Getting available video formats (last pointer in array will be NULL)
First tryin to call IAMStreamConfig::GetStreamCaos. this will give us additional information such as
min/max picture dimensions, etc. If this call fails trying IPIn::EnumMediaTypes with default
min/max values.
*/
hr = get_available_formats_stream(priv->chains[0]);
if (FAILED(hr)) {
mp_msg(MSGT_TV, MSGL_DBG2, "Unable to use IAMStreamConfig for retriving available video formats (Error:0x%x). Using EnumMediaTypes instead\n", (unsigned int)hr);
hr = get_available_formats_pin(priv->pBuilder, priv->chains[0]);
if(FAILED(hr)){
mp_msg(MSGT_TV,MSGL_ERR, MSGTR_TVI_DS_UnableGetsupportedVideoFormats, (unsigned int)hr);
break;
}
}
priv->chains[0]->nFormatUsed = 0;
// Video chain initialization
hr = init_chain_common(priv->pBuilder, priv->chains[0]);
if(FAILED(hr))
break;
// Audio chain initialization
init_chain_common(priv->pBuilder, priv->chains[1]);
// VBI chain initialization
init_chain_common(priv->pBuilder, priv->chains[2]);
if (!priv->chains[0]->pStreamConfig)
mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TVI_DS_ChangingWidthHeightNotSupported);
if (!priv->chains[0]->arpmt[priv->chains[0]->nFormatUsed]
|| !extract_video_format(priv->chains[0]->arpmt[priv->chains[0]->nFormatUsed],
@ -2792,55 +2831,14 @@ static int init(priv_t * priv)
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TVI_DS_ErrorParsingVideoFormatStruct);
break;
}
priv->chains[0]->pmt = CreateMediaType(priv->chains[0]->arpmt[priv->chains[0]->nFormatUsed]);
/*
Getting available audio formats (last pointer in array will be NULL)
*/
hr = get_available_formats_stream(priv->chains[1]);
if (FAILED(hr)) {
mp_msg(MSGT_TV, MSGL_DBG2, "Unable to use IAMStreamConfig for retriving available audio formats (Error:0x%x). Using EnumMediaTypes instead\n", (unsigned int)hr);
hr = get_available_formats_pin(priv->pBuilder, priv->chains[1]);
if (FAILED(hr)) {
mp_msg(MSGT_TV,MSGL_WARN, MSGTR_TVI_DS_UnableGetsupportedAudioFormats, (unsigned int)hr);
/*
Following combination will disable sound
*/
priv->chains[1]->arpmt = (AM_MEDIA_TYPE **) malloc(sizeof(AM_MEDIA_TYPE *));
priv->chains[1]->arpmt[0] = NULL;
priv->chains[1]->pmt = NULL;
priv->chains[1]->pStreamConfig = NULL;
}
}
/*
Getting formats for VBI stream
*/
priv->chains[2]->nFormatUsed = 0;
priv->chains[2]->arpmt = calloc(2, sizeof(AM_MEDIA_TYPE*));
priv->chains[2]->arpmt[0] = calloc(1, sizeof(AM_MEDIA_TYPE));
priv->chains[2]->arpmt[0]->majortype = MEDIATYPE_VBI;
priv->chains[2]->pmt = CreateMediaType(priv->chains[2]->arpmt[priv->chains[2]->nFormatUsed]);
/* debug */
{
int i;
for (i = 0; priv->chains[0]->arpmt[i]; i++) {
DisplayMediaType("Available video format", priv->chains[0]->arpmt[i]);
}
for (i = 0; priv->chains[1]->arpmt[i]; i++) {
DisplayMediaType("Available audio format", priv->chains[1]->arpmt[i]);
}
}
priv->chains[1]->nFormatUsed = 0;
if (priv->chains[1]->arpmt[priv->chains[1]->nFormatUsed]) {
priv->chains[1]->pmt = CreateMediaType(priv->chains[1]->arpmt[priv->chains[1]->nFormatUsed]);
if (!extract_audio_format(priv->chains[1]->pmt, &(priv->samplerate), NULL, NULL)) {
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TVI_DS_ErrorParsingAudioFormatStruct);
DisplayMediaType("audio format failed",priv->chains[1]->arpmt[priv->chains[1]->nFormatUsed]);
break;
}
}
show_filter_info(priv->chains[0]->pCaptureFilter);
hr = OLE_QUERYINTERFACE(priv->pGraph, IID_IMediaControl,priv->pMediaControl);
if(FAILED(hr)){