From ae15de3b9d5bfa1246c4c11d0ff851ac9a7b5f7c Mon Sep 17 00:00:00 2001 From: "P. F. Chimento" Date: Sun, 30 Jan 2011 14:17:47 +0100 Subject: [PATCH] Implemented sound load hints Sound load hints work, at least for Blorb resources. --- libchimara/schannel.c | 56 ++++++++++++++++++++++++++++++++++--------- 1 file changed, 45 insertions(+), 11 deletions(-) diff --git a/libchimara/schannel.c b/libchimara/schannel.c index 036c760..354bf3c 100644 --- a/libchimara/schannel.c +++ b/libchimara/schannel.c @@ -373,10 +373,12 @@ glk_schannel_play_ext(schanid_t chan, glui32 snd, glui32 repeats, glui32 notify) VALID_SCHANNEL(chan, return 0); #ifdef GSTREAMER_SOUND ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + GInputStream *stream; /* Stop the previous sound */ clean_up_after_playing_sound(chan); - + + /* Load the sound into a GInputStream, by whatever method */ if(!glk_data->resource_map) { if(!glk_data->resource_load_callback) { WARNING(_("No resource map has been loaded yet.")); @@ -384,15 +386,16 @@ glk_schannel_play_ext(schanid_t chan, glui32 snd, glui32 repeats, glui32 notify) } WARNING(_("Loading sound resources from alternative location not yet supported.")); return 0; + } else { + giblorb_result_t resource; + giblorb_err_t result = giblorb_load_resource(glk_data->resource_map, giblorb_method_Memory, &resource, giblorb_ID_Snd, snd); + if(result != giblorb_err_None) { + WARNING_S( _("Error loading resource"), giblorb_get_error_message(result) ); + return 0; + } + stream = g_memory_input_stream_new_from_data(resource.data.ptr, resource.length, NULL); } - - giblorb_result_t resource; - giblorb_err_t result = giblorb_load_resource(glk_data->resource_map, giblorb_method_Memory, &resource, giblorb_ID_Snd, snd); - if(result != giblorb_err_None) { - WARNING_S( _("Error loading resource"), giblorb_get_error_message(result) ); - return 0; - } - GInputStream *stream = g_memory_input_stream_new_from_data(resource.data.ptr, resource.length, NULL); + g_object_set(chan->source, "stream", stream, NULL); if(!gst_element_set_state(chan->pipeline, GST_STATE_PLAYING)) { @@ -473,10 +476,41 @@ glk_schannel_set_volume(schanid_t chan, glui32 vol) * @flag is zero, the library may release memory or other resources associated * with the sound. Calling this function is always optional, and it has no * effect on what the library actually plays. - * - * This function is not implemented yet. */ void glk_sound_load_hint(glui32 snd, glui32 flag) { +#ifdef GSTREAMER_SOUND + ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key); + giblorb_result_t resource; + giblorb_err_t result; + + /* Sound load hints only work for Blorb resource maps */ + if(!glk_data->resource_map) + return; + + if(flag) { + /* The sound load hint simply loads the resource from the resource map; + loading a chunk more than once does nothing */ + result = giblorb_load_resource(glk_data->resource_map, giblorb_method_Memory, &resource, giblorb_ID_Snd, snd); + if(result != giblorb_err_None) { + WARNING_S( _("Error loading resource"), giblorb_get_error_message(result) ); + return; + } + } else { + /* Get the Blorb chunk number by loading the resource with + method_DontLoad, then unload that chunk - has no effect if the chunk + isn't loaded */ + result = giblorb_load_resource(glk_data->resource_map, giblorb_method_DontLoad, &resource, giblorb_ID_Snd, snd); + if(result != giblorb_err_None) { + WARNING_S( _("Error loading resource"), giblorb_get_error_message(result) ); + return; + } + result = giblorb_unload_chunk(glk_data->resource_map, resource.chunknum); + if(result != giblorb_err_None) { + WARNING_S( _("Error unloading chunk"), giblorb_get_error_message(result) ); + return; + } + } +#endif /* GSTREAMER_SOUND */ } -- 2.30.2