static decoder_t *CreateDecoder( vlc_object_t *, video_format_t * );
static void DeleteDecoder( decoder_t * );
+static encoder_t *CreateEncoder( vlc_object_t *, video_format_t *,
+ video_format_t * );
+static void DeleteEncoder( encoder_t * );
static filter_t *CreateFilter( vlc_object_t *, es_format_t *,
video_format_t * );
static void DeleteFilter( filter_t * );
if( !p_image ) return;
if( p_image->p_dec ) DeleteDecoder( p_image->p_dec );
+ if( p_image->p_enc ) DeleteEncoder( p_image->p_enc );
if( p_image->p_filter ) DeleteFilter( p_image->p_filter );
free( p_image );
*
*/
+void PicRelease( picture_t *p_pic ){};
+
static block_t *ImageWrite( image_handler_t *p_image, picture_t *p_pic,
video_format_t *p_fmt_in,
video_format_t *p_fmt_out )
{
- return NULL;
+ block_t *p_block;
+ void (*pf_release)( picture_t * );
+
+ /* Check if we can reuse the current encoder */
+ if( p_image->p_enc &&
+ ( p_image->p_enc->fmt_out.i_codec != p_fmt_out->i_chroma ||
+ p_image->p_enc->fmt_out.video.i_width != p_fmt_out->i_width ||
+ p_image->p_enc->fmt_out.video.i_height != p_fmt_out->i_height ) )
+ {
+ DeleteEncoder( p_image->p_enc );
+ p_image->p_enc = 0;
+ }
+
+ /* Start an encoder */
+ if( !p_image->p_enc )
+ {
+ p_image->p_enc = CreateEncoder( p_image->p_parent,
+ p_fmt_in, p_fmt_out );
+ if( !p_image->p_enc ) return NULL;
+ }
+
+ /* Check if we need chroma conversion or resizing */
+ if( p_image->p_enc->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
+ p_image->p_enc->fmt_in.video.i_width != p_fmt_in->i_width ||
+ p_image->p_enc->fmt_in.video.i_height != p_fmt_in->i_height )
+ {
+ picture_t *p_pif;
+
+ if( p_image->p_filter )
+ if( p_image->p_filter->fmt_in.video.i_chroma != p_fmt_in->i_chroma ||
+ p_image->p_filter->fmt_out.video.i_chroma !=
+ p_image->p_enc->fmt_in.video.i_chroma )
+ {
+ /* We need to restart a new filter */
+ DeleteFilter( p_image->p_filter );
+ p_image->p_filter = 0;
+ }
+
+ /* Start a filter */
+ if( !p_image->p_filter )
+ {
+ es_format_t fmt_in;
+ es_format_Init( &fmt_in, VIDEO_ES, p_fmt_in->i_chroma );
+ fmt_in.video = *p_fmt_in;
+
+ p_image->p_filter =
+ CreateFilter( p_image->p_parent, &fmt_in,
+ &p_image->p_enc->fmt_in.video );
+
+ if( !p_image->p_filter )
+ {
+ return NULL;
+ }
+ }
+ else
+ {
+ /* Filters should handle on-the-fly size changes */
+ p_image->p_filter->fmt_in.i_codec = p_fmt_in->i_chroma;
+ p_image->p_filter->fmt_out.video = *p_fmt_in;
+ p_image->p_filter->fmt_out.i_codec =p_image->p_enc->fmt_in.i_codec;
+ p_image->p_filter->fmt_out.video = p_image->p_enc->fmt_in.video;
+ }
+
+ pf_release = p_pic->pf_release;
+ p_pic->pf_release = PicRelease; /* Small hack */
+ p_pif = p_image->p_filter->pf_video_filter( p_image->p_filter, p_pic );
+ p_pic->pf_release = pf_release;
+ p_pic = p_pif;
+ }
+
+ p_block = p_image->p_enc->pf_encode_video( p_image->p_enc, p_pic );
+
+ if( !p_block )
+ {
+ msg_Dbg( p_image->p_parent, "no image encoded" );
+ return 0;
+ }
+
+ return p_block;
}
static int ImageWriteUrl( image_handler_t *p_image, picture_t *p_pic,
video_format_t *p_fmt_in, video_format_t *p_fmt_out,
const char *psz_url )
{
- return VLC_EGENERIC;
+ block_t *p_block;
+ FILE *file;
+
+ if( !p_fmt_out->i_chroma )
+ {
+ /* Try to guess format from file name */
+ p_fmt_out->i_chroma = Ext2Fourcc( psz_url );
+ }
+
+ file = fopen( psz_url, "wb" );
+ if( !file )
+ {
+ msg_Dbg( p_image->p_parent, "could not open file %s for writing",
+ psz_url );
+ return VLC_EGENERIC;
+ }
+
+ p_block = ImageWrite( p_image, p_pic, p_fmt_in, p_fmt_out );
+
+ if( p_block )
+ {
+ fwrite( p_block->p_buffer, sizeof(char), p_block->i_buffer, file );
+ block_Release( p_block );
+ }
+
+ fclose( file );
+
+ return p_block ? VLC_SUCCESS : VLC_EGENERIC;
}
/**
static decoder_t *CreateDecoder( vlc_object_t *p_this, video_format_t *fmt )
{
decoder_t *p_dec;
- static es_format_t null_es_format = {0};
p_dec = vlc_object_create( p_this, VLC_OBJECT_DECODER );
if( p_dec == NULL )
}
p_dec->p_module = NULL;
- es_format_Copy( &p_dec->fmt_in, &null_es_format );
- es_format_Copy( &p_dec->fmt_out, &null_es_format );
+ es_format_Init( &p_dec->fmt_in, VIDEO_ES, fmt->i_chroma );
+ es_format_Init( &p_dec->fmt_out, VIDEO_ES, 0 );
p_dec->fmt_in.video = *fmt;
- p_dec->fmt_in.i_cat = VIDEO_ES;
- p_dec->fmt_in.i_codec = fmt->i_chroma;
p_dec->b_pace_control = VLC_TRUE;
p_dec->pf_vout_buffer_new = video_new_buffer;
vlc_object_destroy( p_dec );
}
+static encoder_t *CreateEncoder( vlc_object_t *p_this, video_format_t *fmt_in,
+ video_format_t *fmt_out )
+{
+ encoder_t *p_enc;
+
+ p_enc = vlc_object_create( p_this, VLC_OBJECT_ENCODER );
+ if( p_enc == NULL )
+ {
+ msg_Err( p_this, "out of memory" );
+ return NULL;
+ }
+
+ p_enc->p_module = NULL;
+ es_format_Init( &p_enc->fmt_in, VIDEO_ES, fmt_in->i_chroma );
+ p_enc->fmt_in.video = *fmt_in;
+ if( fmt_out->i_width > 0 && fmt_out->i_height > 0 )
+ {
+ p_enc->fmt_in.video.i_width = fmt_out->i_width;
+ p_enc->fmt_in.video.i_height = fmt_out->i_height;
+ }
+ p_enc->fmt_in.video.i_frame_rate = 25;
+ p_enc->fmt_in.video.i_frame_rate_base = 1;
+
+ es_format_Init( &p_enc->fmt_out, VIDEO_ES, fmt_out->i_chroma );
+ p_enc->fmt_out.video = *fmt_out;
+ p_enc->fmt_out.video.i_width = p_enc->fmt_in.video.i_width;
+ p_enc->fmt_out.video.i_height = p_enc->fmt_in.video.i_height;
+
+ vlc_object_attach( p_enc, p_this );
+
+ /* Find a suitable decoder module */
+ p_enc->p_module = module_Need( p_enc, "encoder", 0, 0 );
+ if( !p_enc->p_module )
+ {
+ msg_Err( p_enc, "no suitable encoder module for fourcc `%4.4s'.\n"
+ "VLC probably does not support this image format.",
+ (char*)&p_enc->fmt_out.i_codec );
+
+ DeleteEncoder( p_enc );
+ return NULL;
+ }
+ p_enc->fmt_in.video.i_chroma = p_enc->fmt_in.i_codec;
+
+ return p_enc;
+}
+
+static void DeleteEncoder( encoder_t * p_enc )
+{
+ vlc_object_detach( p_enc );
+
+ if( p_enc->p_module ) module_Unneed( p_enc, p_enc->p_module );
+
+ es_format_Clean( &p_enc->fmt_in );
+ es_format_Clean( &p_enc->fmt_out );
+
+ vlc_object_destroy( p_enc );
+}
+
static filter_t *CreateFilter( vlc_object_t *p_this, es_format_t *p_fmt_in,
video_format_t *p_fmt_out )
{