diff options
Diffstat (limited to 'libvo/x11_common.c')
-rw-r--r-- | libvo/x11_common.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libvo/x11_common.c b/libvo/x11_common.c index e1272a090d..ed84a69c40 100644 --- a/libvo/x11_common.c +++ b/libvo/x11_common.c @@ -2277,6 +2277,45 @@ int vo_xv_enable_vsync() } /** + * \brief Get maximum supported source image dimensions. + * + * This function does not set the variables pointed to by + * width and height if the information could not be retreived. + * So the caller is reponsible for initing them properly. + * + * \param width [out] The maximum width gets stored here. + * \param height [out] The maximum height gets stored here. + * + */ +void vo_xv_get_max_img_dim( uint32_t * width, uint32_t * height ) +{ + XvEncodingInfo * encodings; + //unsigned long num_encodings, idx; to int or too long?! + unsigned int num_encodings, idx; + + XvQueryEncodings( mDisplay, xv_port, &num_encodings, &encodings); + + if ( encodings ) + { + for ( idx = 0; idx < num_encodings; ++idx ) + { + if ( strcmp( encodings[idx].name, "XV_IMAGE" ) == 0 ) + { + *width = encodings[idx].width; + *height = encodings[idx].height; + break; + } + } + } + + mp_msg( MSGT_VO, MSGL_V, + "[xv common] Maximum source image dimensions: %ux%u\n", + *width, *height ); + + XvFreeEncodingInfo( encodings ); +} + +/** * \brief Print information about the colorkey method and source. * * \param ck_handling Integer value containing the information about |