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Improve error handling.

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This commit is contained in:
Glenn Maynard
2003-08-29 16:50:47 +00:00
parent 5afed9c413
commit 54a9c78fac
1 changed files with 32 additions and 6 deletions
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stepmania/src/arch/MovieTexture/MovieTexture_AVCodec.cpp
+32 -6
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@@ -134,6 +134,30 @@ MovieTexture_AVCodec::MovieTexture_AVCodec( RageTextureID ID ):
CreateFrameRects();
}
static CString averr_ssprintf( int err, const char *fmt, ... )
{
ASSERT( err < 0 );
va_list va;
va_start(va, fmt);
CString s = vssprintf( fmt, va );
va_end(va);
CString Error;
switch( err )
{
case AVERROR_IO: Error = "I/O error"; break;
case AVERROR_NUMEXPECTED: Error = "number syntax expected in filename"; break;
case AVERROR_INVALIDDATA: Error = "invalid data found"; break;
case AVERROR_NOMEM: Error = "not enough memory"; break;
case AVERROR_NOFMT: Error = "unknown format"; break;
case AVERROR_UNKNOWN: Error = "unknown error"; break;
default: Error = ssprintf( "unknown error %i", err ); break;
}
return s + " (" + Error + ")";
}
void MovieTexture_AVCodec::Create()
@@ -149,23 +173,23 @@ void MovieTexture_AVCodec::Create()
avcodec::av_register_all();
int ret = av_open_input_file( &m_fctx, actualID.filename, NULL, 0, NULL );
if( ret < 0 )
RageException::Throw("AVCodec: Couldn't open \"%s\" (%i)", ret); /* XXX */
RageException::Throw( averr_ssprintf(ret, "AVCodec: Couldn't open \"%s\"", actualID.filename.c_str()) );
ret = av_find_stream_info( m_fctx );
if ( ret < 0 )
RageException::Throw("AVCodec: Couldn't find codec parameters"); /* XXX */
RageException::Throw( averr_ssprintf(ret, "AVCodec: Couldn't find codec parameters") );
m_stream = FindVideoStream( m_fctx );
if ( m_stream == NULL )
RageException::Throw("AVCodec: Couldn't find video stream"); /* XXX */
RageException::Throw( averr_ssprintf(ret, "AVCodec: Couldn't find video stream") );
m_codec = avcodec_find_decoder( m_stream->codec.codec_id );
if( m_codec == NULL )
RageException::Throw("AVCodec: Couldn't find decoder"); /* XXX */
RageException::Throw( averr_ssprintf(ret, "AVCodec: Couldn't find decoder") );
ret = avcodec_open( &m_stream->codec, m_codec );
if ( ret < 0 )
RageException::Throw("AVCodec: Couldn't open decoder (%i)", ret ); /* XXX */
RageException::Throw( averr_ssprintf(ret, "AVCodec: Couldn't open decoder (%i)") );
/* I think avcodec wants a special case for this (no decoding); I don't
* want to bother. XXX: test and see if this is really needed */
@@ -247,7 +271,9 @@ void MovieTexture_AVCodec::CreateTexture()
* TODO: We could get a big speed bonus by doing the above if the
* hardware renderer can handle YUV textures. I think D3D can do
* this, as well as OpenGL on the Mac, but we don't have any infrastructure
* for this right now. */
* for this right now.
*
* A hint: http://oss.sgi.com/projects/performer/mail/info-performer/perf-01-06/0017.html */
PixelFormat pixfmt;
bool PreferHighColor = (TEXTUREMAN->GetMovieColorDepth() == 32);
m_AVTexfmt = FindCompatibleAVFormat( pixfmt, PreferHighColor );