X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fcodec%2Ffake.c;h=63d05ee6f3bc14bbe5cf36de2a7050b54ab411e7;hb=0b01c67ef5204d352701f15617b69859f4dcfaa0;hp=d630e6492425e8b9ffae8249e1abee7867f7fc02;hpb=e1a57894c92fef5b2d5f4594d2cc6f50d2fa9978;p=vlc diff --git a/modules/codec/fake.c b/modules/codec/fake.c index d630e64924..63d05ee6f3 100644 --- a/modules/codec/fake.c +++ b/modules/codec/fake.c @@ -1,10 +1,11 @@ /***************************************************************************** * fake.c: decoder reading from a fake stream, outputting a fixed image ***************************************************************************** - * Copyright (C) 2005 the VideoLAN team + * Copyright (C) 2005-2009 the VideoLAN team * $Id$ * * Authors: Christophe Massiot + * Jean-Paul Saman * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,17 +19,22 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ -#include -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -#include "vlc_image.h" -#include "vlc_filter.h" +#include +#include +#include + +#include +#include /***************************************************************************** * Local prototypes @@ -37,63 +43,85 @@ static int OpenDecoder ( vlc_object_t * ); static void CloseDecoder ( vlc_object_t * ); static picture_t *DecodeBlock ( decoder_t *, block_t ** ); +static int FakeCallback( vlc_object_t *, char const *, + vlc_value_t, vlc_value_t, void * ); /***************************************************************************** * Module descriptor *****************************************************************************/ #define FILE_TEXT N_("Image file") #define FILE_LONGTEXT N_( \ - "Path of the image file when using the fake input." ) + "Path of the image file for fake input." ) +#define RELOAD_TEXT N_("Reload image file") +#define RELOAD_LONGTEXT N_( \ + "Reload image file every n seconds." ) #define WIDTH_TEXT N_("Video width") #define WIDTH_LONGTEXT N_( \ - "Allows you to specify the output video width." ) + "Output video width." ) #define HEIGHT_TEXT N_("Video height") #define HEIGHT_LONGTEXT N_( \ - "Allows you to specify the output video height." ) + "Output video height." ) #define KEEP_AR_TEXT N_("Keep aspect ratio") #define KEEP_AR_LONGTEXT N_( \ - "If selected, width and height will be considered as maximum values." ) + "Consider width and height as maximum values." ) #define ASPECT_RATIO_TEXT N_("Background aspect ratio") #define ASPECT_RATIO_LONGTEXT N_( \ "Aspect ratio of the image file (4:3, 16:9). Default is square pixels." ) #define DEINTERLACE_TEXT N_("Deinterlace video") #define DEINTERLACE_LONGTEXT N_( \ - "Allows you to deinterlace the image after loading." ) + "Deinterlace the image after loading it." ) #define DEINTERLACE_MODULE_TEXT N_("Deinterlace module") #define DEINTERLACE_MODULE_LONGTEXT N_( \ - "Specifies the deinterlace module to use." ) + "Deinterlace module to use." ) +#define CHROMA_TEXT N_("Chroma used") +#define CHROMA_LONGTEXT N_( \ + "Force use of a specific chroma for output. Default is I420." ) -static char *ppsz_deinterlace_type[] = +static const char *const ppsz_deinterlace_type[] = { "deinterlace", "ffmpeg-deinterlace" }; -vlc_module_begin(); - set_category( CAT_INPUT ); - set_subcategory( SUBCAT_INPUT_VCODEC ); - set_shortname( _("Fake") ); - set_description( _("Fake video decoder") ); - set_capability( "decoder", 1000 ); - set_callbacks( OpenDecoder, CloseDecoder ); - add_shortcut( "fake" ); +vlc_module_begin () + set_category( CAT_INPUT ) + set_subcategory( SUBCAT_INPUT_VCODEC ) + set_shortname( N_("Fake") ) + set_description( N_("Fake video decoder") ) + set_capability( "decoder", 1000 ) + set_callbacks( OpenDecoder, CloseDecoder ) + add_shortcut( "fake" ) add_file( "fake-file", "", NULL, FILE_TEXT, - FILE_LONGTEXT, VLC_FALSE ); + FILE_LONGTEXT, false ) + add_integer( "fake-file-reload", 0, NULL, RELOAD_TEXT, + RELOAD_LONGTEXT, false ) add_integer( "fake-width", 0, NULL, WIDTH_TEXT, - WIDTH_LONGTEXT, VLC_TRUE ); + WIDTH_LONGTEXT, true ) add_integer( "fake-height", 0, NULL, HEIGHT_TEXT, - HEIGHT_LONGTEXT, VLC_TRUE ); - add_bool( "fake-keep-ar", 0, NULL, KEEP_AR_TEXT, KEEP_AR_LONGTEXT, - VLC_TRUE ); + HEIGHT_LONGTEXT, true ) + add_bool( "fake-keep-ar", false, NULL, KEEP_AR_TEXT, KEEP_AR_LONGTEXT, + true ) add_string( "fake-aspect-ratio", "", NULL, - ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, VLC_TRUE ); - add_bool( "fake-deinterlace", 0, NULL, DEINTERLACE_TEXT, - DEINTERLACE_LONGTEXT, VLC_FALSE ); + ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, true ) + add_bool( "fake-deinterlace", false, NULL, DEINTERLACE_TEXT, + DEINTERLACE_LONGTEXT, false ) add_string( "fake-deinterlace-module", "deinterlace", NULL, DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT, - VLC_FALSE ); - change_string_list( ppsz_deinterlace_type, 0, 0 ); -vlc_module_end(); + false ) + change_string_list( ppsz_deinterlace_type, 0, 0 ) + add_string( "fake-chroma", "I420", NULL, CHROMA_TEXT, CHROMA_LONGTEXT, + true ) +vlc_module_end () + +struct decoder_sys_t +{ + picture_t *p_image; + vlc_mutex_t lock; + + bool b_reload; + mtime_t i_reload; + mtime_t i_next; +}; /***************************************************************************** * OpenDecoder: probe the decoder and return score @@ -101,62 +129,74 @@ vlc_module_end(); static int OpenDecoder( vlc_object_t *p_this ) { decoder_t *p_dec = (decoder_t*)p_this; - vlc_value_t val; image_handler_t *p_handler; video_format_t fmt_in, fmt_out; picture_t *p_image; - char *psz_file; - vlc_bool_t b_keep_ar; + char *psz_file, *psz_chroma, *psz_string; + bool b_keep_ar; int i_aspect = 0; + int i_int; if( p_dec->fmt_in.i_codec != VLC_FOURCC('f','a','k','e') ) { return VLC_EGENERIC; } - var_Create( p_dec, "fake-file", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); - var_Get( p_dec, "fake-file", &val ); - if( val.psz_string == NULL || !*val.psz_string ) + p_dec->p_sys = calloc( 1, sizeof( *p_dec->p_sys ) ); + if( !p_dec->p_sys ) + return VLC_ENOMEM; + + psz_file = var_CreateGetNonEmptyStringCommand( p_dec, "fake-file" ); + if( !psz_file ) { - if( val.psz_string ) free( val.psz_string ); msg_Err( p_dec, "specify a file with --fake-file=..." ); + free( p_dec->p_sys ); return VLC_EGENERIC; } - psz_file = val.psz_string; memset( &fmt_in, 0, sizeof(fmt_in) ); memset( &fmt_out, 0, sizeof(fmt_out) ); - fmt_out.i_chroma = VLC_FOURCC('I','4','2','0'); - var_Create( p_dec, "fake-keep-ar", VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); - var_Get( p_dec, "fake-keep-ar", &val ); - b_keep_ar = val.b_bool; + i_int = var_CreateGetIntegerCommand( p_dec, "fake-file-reload" ); + if( i_int > 0) + { + p_dec->p_sys->b_reload = true; + p_dec->p_sys->i_reload = (mtime_t)(i_int * 1000000); + p_dec->p_sys->i_next = (mtime_t)(p_dec->p_sys->i_reload + mdate()); + } + + psz_chroma = var_CreateGetString( p_dec, "fake-chroma" ); + fmt_out.i_chroma = vlc_fourcc_GetCodecFromString( VIDEO_ES, psz_chroma ); + if( !fmt_out.i_chroma ) + { + msg_Warn( p_dec, "Invalid chroma (%s). Using I420.", psz_chroma ); + fmt_out.i_chroma = VLC_CODEC_I420; + } + free( psz_chroma ); var_Create( p_dec, "fake-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT ); var_Create( p_dec, "fake-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT ); - var_Create( p_dec, "fake-aspect-ratio", - VLC_VAR_STRING | VLC_VAR_DOINHERIT ); + psz_string = var_CreateGetString( p_dec, "fake-aspect-ratio" ); - var_Get( p_dec, "fake-aspect-ratio", &val ); - if ( val.psz_string ) + if( psz_string ) { - char *psz_parser = strchr( val.psz_string, ':' ); + char *psz_parser = strchr( psz_string, ':' ); if( psz_parser ) { *psz_parser++ = '\0'; - i_aspect = atoi( val.psz_string ) + i_aspect = atoi( psz_string ) * VOUT_ASPECT_FACTOR / atoi( psz_parser ); } - free( val.psz_string ); + free( psz_string ); } - if ( !b_keep_ar ) + b_keep_ar = var_CreateGetBool( p_dec, "fake-keep-ar" ); + + if( !b_keep_ar ) { - var_Get( p_dec, "fake-width", &val ); - fmt_out.i_width = val.i_int; - var_Get( p_dec, "fake-height", &val ); - fmt_out.i_height = val.i_int; + fmt_out.i_width = var_GetInteger( p_dec, "fake-width" ); + fmt_out.i_height = var_GetInteger( p_dec, "fake-height" ); } p_handler = image_HandlerCreate( p_dec ); @@ -166,21 +206,21 @@ static int OpenDecoder( vlc_object_t *p_this ) if ( p_image == NULL ) { msg_Err( p_dec, "unable to read image file %s", psz_file ); + free( psz_file ); + free( p_dec->p_sys ); return VLC_EGENERIC; } msg_Dbg( p_dec, "file %s loaded successfully", psz_file ); - if ( psz_file ) free( psz_file ); + free( psz_file ); if ( b_keep_ar ) { picture_t *p_old = p_image; int i_width, i_height; - var_Get( p_dec, "fake-width", &val ); - i_width = val.i_int; - var_Get( p_dec, "fake-height", &val ); - i_height = val.i_int; + i_width = var_GetInteger( p_dec, "fake-width" ); + i_height = var_GetInteger( p_dec, "fake-height" ); if ( i_width && i_height ) { @@ -221,35 +261,32 @@ static int OpenDecoder( vlc_object_t *p_this ) } else { - p_old->pf_release( p_old ); + picture_Release( p_old ); } } } if ( i_aspect ) { - fmt_out.video.i_aspect = i_aspect; + fmt_out.i_sar_num = i_aspect * fmt_out.i_height; + fmt_out.i_sar_den = VOUT_ASPECT_FACTOR * fmt_out.i_width; } else { - fmt_out.video.i_aspect = fmt_out.i_width - * VOUT_ASPECT_FACTOR / fmt_out.i_height; + fmt_out.i_sar_num = 1; + fmt_out.i_sar_den = 1; } - var_Create( p_dec, "fake-deinterlace", VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); - var_Get( p_dec, "fake-deinterlace", &val ); - if ( val.b_bool ) + if( var_CreateGetBool( p_dec, "fake-deinterlace" ) ) { picture_t *p_old = p_image; - var_Create( p_dec, "fake-deinterlace-module", - VLC_VAR_STRING | VLC_VAR_DOINHERIT ); - var_Get( p_dec, "fake-deinterlace-module", &val ); + psz_string = var_CreateGetString( p_dec, "fake-deinterlace-module" ); p_handler = image_HandlerCreate( p_dec ); - p_image = image_Filter( p_handler, p_old, &fmt_out, val.psz_string ); + p_image = image_Filter( p_handler, p_old, &fmt_out, psz_string ); image_HandlerDelete( p_handler ); - if ( val.psz_string != NULL ) free( val.psz_string ); + free( psz_string ); if ( p_image == NULL ) { @@ -258,18 +295,24 @@ static int OpenDecoder( vlc_object_t *p_this ) } else { - p_old->pf_release( p_old ); + picture_Release( p_old ); } } /* Set output properties */ p_dec->fmt_out.i_cat = VIDEO_ES; - p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0'); + p_dec->fmt_out.i_codec = fmt_out.i_chroma; p_dec->fmt_out.video = fmt_out; /* Set callbacks */ p_dec->pf_decode_video = DecodeBlock; - p_dec->p_sys = (decoder_sys_t *)p_image; + + p_dec->p_sys->p_image = p_image; + vlc_mutex_init( &p_dec->p_sys->lock ); + + /* Add the callback when every variables are available */ + var_AddCallback( p_dec, "fake-file", FakeCallback, p_dec ); + var_AddCallback( p_dec, "fake-file-reload", FakeCallback , p_dec ); return VLC_SUCCESS; } @@ -279,18 +322,27 @@ static int OpenDecoder( vlc_object_t *p_this ) ****************************************************************************/ static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) { - picture_t *p_image = (picture_t *)p_dec->p_sys; + decoder_sys_t *p_sys = (decoder_sys_t*) p_dec->p_sys; picture_t *p_pic; if( pp_block == NULL || !*pp_block ) return NULL; - p_pic = p_dec->pf_vout_buffer_new( p_dec ); + p_pic = decoder_NewPicture( p_dec ); if( p_pic == NULL ) { msg_Err( p_dec, "cannot get picture" ); goto error; } - vout_CopyPicture( p_dec, p_pic, p_image ); + if( p_sys->b_reload && (mdate() >= p_sys->i_next) ) + { + var_TriggerCallback( p_dec, "fake-file" ); + /* next period */ + p_sys->i_next = (mtime_t)(p_sys->i_reload + mdate()); + } + vlc_mutex_lock( &p_dec->p_sys->lock ); + picture_Copy( p_pic, p_dec->p_sys->p_image ); + vlc_mutex_unlock( &p_dec->p_sys->lock ); + p_pic->date = (*pp_block)->i_pts; error: @@ -306,8 +358,77 @@ error: static void CloseDecoder( vlc_object_t *p_this ) { decoder_t *p_dec = (decoder_t *)p_this; - picture_t *p_image = (picture_t *)p_dec->p_sys; + picture_t *p_image = p_dec->p_sys->p_image; + + var_DelCallback( p_dec, "fake-file", FakeCallback, p_dec ); + var_DelCallback( p_dec, "fake-file-reload", FakeCallback , p_dec ); if( p_image != NULL ) - p_image->pf_release( p_image ); + picture_Release( p_image ); + + vlc_mutex_destroy( &p_dec->p_sys->lock ); + free( p_dec->p_sys ); +} + +/***************************************************************************** + * FakeCallback: Image source change callback. + *****************************************************************************/ +static int FakeCallback( vlc_object_t *p_this, char const *psz_var, + vlc_value_t oldval, vlc_value_t newval, + void *p_data ) +{ + VLC_UNUSED(p_this); VLC_UNUSED(oldval); + decoder_t *p_dec = (decoder_t *)p_data; + + if( !strcmp( psz_var, "fake-file" ) ) + { + image_handler_t *p_handler; + picture_t *p_new_image; + video_format_t fmt_in, fmt_out; + char *psz_file = newval.psz_string; + picture_t *p_image; + + vlc_mutex_lock( &p_dec->p_sys->lock ); + p_image = p_dec->p_sys->p_image; + + if( !psz_file || !*psz_file ) + { + msg_Err( p_dec, "fake-file value must be non empty." ); + vlc_mutex_unlock( &p_dec->p_sys->lock ); + return VLC_EGENERIC; + } + msg_Dbg( p_dec, "Changing fake-file to %s.", psz_file ); + + memset( &fmt_in, 0, sizeof(fmt_in) ); + fmt_out = p_dec->fmt_out.video; + p_handler = image_HandlerCreate( p_dec ); + p_new_image = image_ReadUrl( p_handler, psz_file, &fmt_in, &fmt_out ); + image_HandlerDelete( p_handler ); + + if( !p_new_image ) + { + msg_Err( p_dec, "error while reading image (%s)", psz_file ); + vlc_mutex_unlock( &p_dec->p_sys->lock ); + return VLC_EGENERIC; + } + + p_dec->p_sys->p_image = p_new_image; + picture_Release( p_image ); + vlc_mutex_unlock( &p_dec->p_sys->lock ); + } + else if( !strcmp( psz_var, "fake-file-reload" ) ) + { + if( newval.i_int > 0) + { + p_dec->p_sys->b_reload = true; + p_dec->p_sys->i_reload = (mtime_t)(newval.i_int * 1000000); + p_dec->p_sys->i_next = (mtime_t)(p_dec->p_sys->i_reload + mdate()); + } + else + { + p_dec->p_sys->b_reload = false; + } + } + + return VLC_SUCCESS; }