]> git.sesse.net Git - vlc/blobdiff - modules/codec/invmem.c
Use var_InheritString for --decklink-video-connection.
[vlc] / modules / codec / invmem.c
index 2990644f16584d2b5b0a6157e52bb36f124f5167..7e96d27b00aaf967d5ed64991a24a09a6c304cc0 100644 (file)
@@ -67,27 +67,25 @@ static picture_t *DecodeBlock  ( decoder_t *, block_t ** );
 #define T_DATA N_( "Callback data" )
 #define LT_DATA N_( "Data for the locking and unlocking functions" )
 
-#define INVMEM_HELP N_( "This module make possible making video stream from raw-image " \
-                        "generating (to memory) from rendering program uses libvlc. " \
-                        "To use this module from libvlc set --codec to invmem, "\
-                        "set all --invmem-* options in vlc_argv an use " \
-                        "libvlc_media_new(libvlc, \"fake://\", &ex);. " \
-                        "Besides is simillar to vmem video output module." )
+#define T_CHROMA N_("Chroma")
+#define LT_CHROMA N_("Output chroma for the memory image as a 4-character " \
+                      "string, eg. \"RV32\".")
+
 vlc_module_begin()
     set_category( CAT_INPUT )
     set_subcategory( SUBCAT_INPUT_VCODEC )
     set_shortname( N_("Memory video decoder") )
     set_description( N_("Memory video decoder") )
-    set_help( INVMEM_HELP )
     set_capability( "decoder", 50 )
     set_callbacks( OpenDecoder, CloseDecoder )
     add_shortcut( "invmem" )
 
-    add_integer( "invmem-width", "0", NULL, T_WIDTH, LT_WIDTH, false )
-    add_integer( "invmem-height", "0", NULL, T_HEIGHT, LT_HEIGHT, false )
+    add_integer( "invmem-width", 0, NULL, T_WIDTH, LT_WIDTH, false )
+    add_integer( "invmem-height", 0, NULL, T_HEIGHT, LT_HEIGHT, false )
     add_string( "invmem-lock", "0", NULL, T_LOCK, LT_LOCK, true )
     add_string( "invmem-unlock", "0", NULL, T_UNLOCK, LT_UNLOCK, true )
     add_string( "invmem-data", "0", NULL, T_DATA, LT_DATA, true )
+    add_string( "invmem-chroma", "RV24", NULL, T_CHROMA, LT_CHROMA, true)
 vlc_module_end()
 
 
@@ -101,7 +99,7 @@ struct decoder_sys_t
     int i_height;
     int i_pitch;
 
-    picture_t *p_pic;
+    vlc_fourcc_t i_chroma;
 };
 
 
@@ -113,6 +111,7 @@ static int OpenDecoder( vlc_object_t *p_this )
     decoder_t *p_dec = (decoder_t*)p_this;
     decoder_sys_t *p_sys;
     char *psz_tmp;
+    int pitch;
 
     if( p_dec->fmt_in.i_codec != VLC_FOURCC('f','a','k','e'))
     {
@@ -120,16 +119,17 @@ static int OpenDecoder( vlc_object_t *p_this )
     }
 
     /* Allocate the memory needed to store the decoder's structure */
-    if( ( p_dec->p_sys = p_sys =
-          (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
+    if( ( p_dec->p_sys = p_sys = malloc(sizeof(decoder_sys_t)) ) == NULL )
         return VLC_ENOMEM;
 
-    // get parametrs
+    // get parameters
+    char* chromaStr = var_CreateGetString( p_dec, "invmem-chroma" );
     p_sys->i_width = var_CreateGetInteger( p_this, "invmem-width" );
     p_sys->i_height = var_CreateGetInteger( p_this, "invmem-height" );
-    if (p_sys->i_width == 0 || p_sys->i_height == 0) {
-        msg_Err( p_dec, "--vmem-width and --vmem-height must be > 0" );
-        return VLC_EGENERIC;
+    if( p_sys->i_width == 0 || p_sys->i_height == 0 )
+    {
+        msg_Err( p_dec, "--invmem-width and --invmem-height must be > 0" );
+        goto error;
     }
 
     psz_tmp = var_CreateGetString( p_dec, "invmem-lock" );
@@ -147,28 +147,77 @@ static int OpenDecoder( vlc_object_t *p_this )
     if( !p_sys->pf_lock || !p_sys->pf_unlock )
     {
         msg_Err( p_dec, "Invalid lock or unlock callbacks" );
-        return VLC_EGENERIC;
+        goto error;
+    }
+
+    if ( chromaStr == NULL )
+    {
+        msg_Err( p_dec, "Invalid invmem-chroma string." );
+        goto error;
+    }
+    const vlc_fourcc_t chroma = vlc_fourcc_GetCodecFromString( VIDEO_ES, chromaStr );
+
+    if ( !chroma )
+    {
+        msg_Err( p_dec, "invmem-chroma should be 4 characters long." );
+        goto error;
     }
 
     /* Set output properties */
-    //p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;
-    p_dec->fmt_out.i_codec = VLC_CODEC_RGB24;
+    switch (chroma)
+    {
+    case VLC_CODEC_RGB15:
+        p_dec->fmt_out.video.i_rmask = 0x001f;
+        p_dec->fmt_out.video.i_gmask = 0x03e0;
+        p_dec->fmt_out.video.i_bmask = 0x7c00;
+        pitch = p_sys->i_width * 2;
+        break;
+    case VLC_CODEC_RGB16:
+        p_dec->fmt_out.video.i_rmask = 0x001f;
+        p_dec->fmt_out.video.i_gmask = 0x07e0;
+        p_dec->fmt_out.video.i_bmask = 0xf800;
+        pitch = p_sys->i_width * 2;
+        break;
+    case VLC_CODEC_RGB24:
+        p_dec->fmt_out.video.i_rmask = 0xff0000;
+        p_dec->fmt_out.video.i_gmask = 0x00ff00;
+        p_dec->fmt_out.video.i_bmask = 0x0000ff;
+        pitch = p_sys->i_width * 3;
+        break;
+    case VLC_CODEC_RGB32:
+        p_dec->fmt_out.video.i_rmask = 0xff0000;
+        p_dec->fmt_out.video.i_gmask = 0x00ff00;
+        p_dec->fmt_out.video.i_bmask = 0x0000ff;
+        pitch = p_sys->i_width * 4;
+        break;
+    default:
+        p_dec->fmt_out.video.i_rmask = 0;
+        p_dec->fmt_out.video.i_gmask = 0;
+        p_dec->fmt_out.video.i_bmask = 0;
+        pitch = 0;
+        msg_Warn( p_dec, "Unknown chroma %s", chromaStr );
+        goto error;
+    }
+
+    free( chromaStr );
+
+    p_dec->fmt_out.i_codec = chroma;
     p_dec->fmt_out.video.i_width = p_dec->p_sys->i_width;
     p_dec->fmt_out.video.i_height = p_dec->p_sys->i_height;
-    p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->p_sys->i_width / p_dec->p_sys->i_height;
-    p_dec->fmt_out.video.i_rmask = 0xff0000;
-    p_dec->fmt_out.video.i_gmask = 0x00ff00;
-    p_dec->fmt_out.video.i_bmask = 0x0000ff;
+    p_dec->fmt_out.video.i_sar_num = 1;
+    p_dec->fmt_out.video.i_sar_den = 1;
     p_dec->fmt_out.i_cat = VIDEO_ES;
 
-    p_sys->i_pitch = p_sys->i_width*3 + p_sys->i_width%4;
-
-    p_sys->p_pic = NULL;
+    p_sys->i_pitch = pitch;
 
     /* Set callbacks */
     p_dec->pf_decode_video = DecodeBlock;
 
     return VLC_SUCCESS;
+error:
+    free( p_sys );
+    free( chromaStr );
+    return VLC_EGENERIC;
 }
 
 /****************************************************************************
@@ -180,27 +229,27 @@ static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
 {
     decoder_sys_t *p_sys = p_dec->p_sys;
     block_t *p_block;
+    picture_t*  p_pic;
 
     if( !pp_block || !*pp_block ) return NULL;
 
     p_block = *pp_block;
 
     // create new picture
-    if( p_sys->p_pic != NULL )
-        picture_Release( p_sys->p_pic );
-    p_sys->p_pic = decoder_NewPicture( p_dec );
-    p_sys->p_pic->b_force = true;
-    p_sys->p_pic->p->i_pitch = p_dec->p_sys->i_pitch;
-    p_sys->p_pic->date = p_block->i_pts > 0 ? p_block->i_pts : p_block->i_dts;
+    p_pic = decoder_NewPicture( p_dec );
+    if ( !p_pic ) return NULL;
+    p_pic->b_force = true;
+    p_pic->p->i_pitch = p_dec->p_sys->i_pitch;
+    p_pic->date = p_block->i_pts > VLC_TS_INVALID ? p_block->i_pts : p_block->i_dts;
 
     // lock input and copy to picture
-    p_sys->p_pic->p->p_pixels = p_sys->pf_lock( p_dec->p_sys->p_data );
+    p_pic->p->p_pixels = p_sys->pf_lock( p_dec->p_sys->p_data );
 
     // unlock input
     p_sys->pf_unlock( p_dec->p_sys->p_data );
 
     block_Release( *pp_block ); *pp_block = NULL;
-    return p_sys->p_pic;
+    return p_pic;
 }
 
 /*****************************************************************************
@@ -211,8 +260,5 @@ static void CloseDecoder( vlc_object_t *p_this )
     decoder_t *p_dec = (decoder_t *)p_this;
     decoder_sys_t *p_sys = p_dec->p_sys;
 
-    if( p_sys->p_pic != NULL )
-        picture_Release( p_sys->p_pic );
-
     free( p_sys );
 }