From: <wt...@ke...> - 2008-01-03 12:26:16
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CVS Root: /cvs/gstreamer Module: gst-plugins-good Changes by: wtay Date: Thu Jan 03 2008 12:26:18 UTC Log message: Patch by: John Millikin <jmillikin at gmail dot com> * ext/flac/gstflacdec.c: (gst_flac_dec_setup_seekable_decoder), (gst_flac_dec_setup_stream_decoder), (gst_flac_normalize_picture_mime_type), (gst_flac_extract_picture_buffer), (gst_flac_dec_metadata_callback): Emit metadata messages when a PICTURE block is encountered. Fixes #506715. Modified files: . : ChangeLog ext/flac : gstflacdec.c Links: http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/ChangeLog.diff?r1=1.3229&r2=1.3230 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/ext/flac/gstflacdec.c.diff?r1=1.86&r2=1.87 ====Begin Diffs==== Index: ChangeLog =================================================================== RCS file: /cvs/gstreamer/gst-plugins-good/ChangeLog,v retrieving revision 1.3229 retrieving revision 1.3230 diff -u -d -r1.3229 -r1.3230 --- ChangeLog 2 Jan 2008 13:54:08 -0000 1.3229 +++ ChangeLog 3 Jan 2008 12:26:02 -0000 1.3230 @@ -1,3 +1,15 @@ +2008-01-03 Wim Taymans <wim...@co...> + + Patch by: John Millikin <jmillikin at gmail dot com> + * ext/flac/gstflacdec.c: (gst_flac_dec_setup_seekable_decoder), + (gst_flac_dec_setup_stream_decoder), + (gst_flac_normalize_picture_mime_type), + (gst_flac_extract_picture_buffer), + (gst_flac_dec_metadata_callback): + Emit metadata messages when a PICTURE block is encountered. + Fixes #506715. 2008-01-02 Thijs Vermeir <thi...@gm...> * gst/avi/gstavi.c: Index: gstflacdec.c RCS file: /cvs/gstreamer/gst-plugins-good/ext/flac/gstflacdec.c,v retrieving revision 1.86 retrieving revision 1.87 diff -u -d -r1.86 -r1.87 --- gstflacdec.c 29 Dec 2007 16:48:33 -0000 1.86 +++ gstflacdec.c 3 Jan 2008 12:26:03 -0000 1.87 @@ -54,6 +54,7 @@ #include "gstflacdec.h" #include <gst/gst-i18n-plugin.h> #include <gst/gsttagsetter.h> +#include <gst/base/gsttypefindhelper.h> #include <gst/tag/tag.h> @@ -299,6 +300,8 @@ gst_flac_dec_write_seekable); FLAC__seekable_stream_decoder_set_metadata_respond (dec->seekable_decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT); + FLAC__seekable_stream_decoder_set_metadata_respond (dec->seekable_decoder, + FLAC__METADATA_TYPE_PICTURE); FLAC__seekable_stream_decoder_set_metadata_callback (dec->seekable_decoder, gst_flac_dec_metadata_callback_seekable); FLAC__seekable_stream_decoder_set_error_callback (dec->seekable_decoder, @@ -308,6 +311,8 @@ dec->seekable_decoder = FLAC__stream_decoder_new (); FLAC__stream_decoder_set_metadata_respond (dec->seekable_decoder, + FLAC__stream_decoder_set_metadata_respond (dec->seekable_decoder, FLAC__stream_decoder_set_md5_checking (dec->seekable_decoder, false); /* no point calculating since it's never checked here */ #endif } @@ -328,6 +333,8 @@ gst_flac_dec_write_stream); FLAC__stream_decoder_set_metadata_respond (dec->stream_decoder, + FLAC__stream_decoder_set_metadata_respond (dec->stream_decoder, FLAC__stream_decoder_set_metadata_callback (dec->stream_decoder, gst_flac_dec_metadata_callback_stream); FLAC__stream_decoder_set_error_callback (dec->stream_decoder, @@ -337,6 +344,8 @@ FLAC__stream_decoder_set_md5_checking (dec->stream_decoder, false); /* no point calculating since it's never checked here */ @@ -564,6 +573,130 @@ } +static gchar * +gst_flac_normalize_picture_mime_type (const gchar * old_mime_type, + gboolean * is_pic_uri) +{ + gchar *mime_str; + g_return_val_if_fail (old_mime_type != NULL, NULL); + /* Make lower-case */ + mime_str = g_ascii_strdown (old_mime_type, -1); + /* Fix up 'jpg' => 'jpeg' in mime/media type */ + if (g_ascii_strcasecmp (mime_str, "jpg") == 0 || + g_ascii_strcasecmp (mime_str, "image/jpg") == 0) { + g_free (mime_str); + mime_str = g_strdup ("image/jpeg"); + } + /* Check if the picture is a URI reference */ + *is_pic_uri = (strcmp (mime_str, "-->") == 0); + if (!(*is_pic_uri) && *mime_str && strchr (mime_str, '/') == NULL) { + gchar *tmp = g_strdup_printf ("image/%s", mime_str); + mime_str = tmp; + return mime_str; +} +static void +gst_flac_extract_picture_buffer (GstFlacDec * flacdec, + const FLAC__StreamMetadata * metadata) + /* Most of this is copied from gst/id3demux/id3v2frames.c */ + gchar *mime_type; + GstBuffer *image; + GstCaps *image_caps; + FLAC__StreamMetadata_Picture picture; + gboolean is_pic_uri; + g_return_if_fail (metadata->type == FLAC__METADATA_TYPE_PICTURE); + GST_LOG ("Got PICTURE block"); + picture = metadata->data.picture; + is_pic_uri = FALSE; + mime_type = gst_flac_normalize_picture_mime_type (picture.mime_type, + &is_pic_uri); + GST_DEBUG ("PICTURE MIME-type is: \"%s\"", mime_type); + GST_DEBUG ("image data is %u bytes", picture.data_length); + if (is_pic_uri) { + gchar *uri; + uri = g_strndup ((gchar *) picture.data, picture.data_length); + GST_DEBUG ("image URI: %s", uri); + image = gst_buffer_new (); + GST_BUFFER_MALLOCDATA (image) = (guint8 *) uri; /* take ownership */ + GST_BUFFER_DATA (image) = (guint8 *) uri; + GST_BUFFER_SIZE (image) = picture.data_length; + image_caps = gst_caps_new_simple ("text/uri-list", NULL); + else { + image = gst_buffer_new_and_alloc (picture.data_length); + memcpy (GST_BUFFER_DATA (image), picture.data, picture.data_length); + /* if possible use GStreamer media type rather than declared type */ + image_caps = gst_type_find_helper_for_buffer (NULL, image, NULL); + if (image_caps) { + GST_DEBUG ("Found GStreamer media type: %" GST_PTR_FORMAT, image_caps); + } else if (mime_type && *mime_type) { + GST_DEBUG ("No GStreamer media type found, using declared type: \"%s\"", + mime_type); + image_caps = gst_caps_new_simple (mime_type, NULL); + } else { + GST_DEBUG ("Empty declared mime type, ignoring image frame"); + image = NULL; + image_caps = NULL; + } + g_free (mime_type); + if (image && image_caps) { + GstTagList *tags; + FLAC__StreamMetadata_Picture_Type pic_type = picture.type; + tags = gst_tag_list_new (); + if (pic_type > 20) { + pic_type = GST_TAG_IMAGE_TYPE_UNDEFINED; + gst_structure_set (gst_caps_get_structure (image_caps, 0), + "image-type", GST_TYPE_TAG_IMAGE_TYPE, + (GstTagImageType) pic_type, NULL); + gst_buffer_set_caps (image, image_caps); + gst_caps_unref (image_caps); + if (pic_type == 1 || pic_type == 2) { + /* file icon of some sort */ + gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, + GST_TAG_PREVIEW_IMAGE, image, NULL); + gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, GST_TAG_IMAGE, image, NULL); + gst_buffer_unref (image); + /* Announce discovered tags */ + gst_element_found_tags_for_pad (GST_ELEMENT (flacdec), flacdec->srcpad, + tags); + } else { + if (image) + gst_buffer_unref (image); + GST_DEBUG ("problem parsing PICTURE block, skipping"); static void gst_flac_dec_metadata_callback (GstFlacDec * flacdec, const FLAC__StreamMetadata * metadata) @@ -609,6 +742,10 @@ } break; } + case FLAC__METADATA_TYPE_PICTURE:{ + gst_flac_extract_picture_buffer (flacdec, metadata); + break; case FLAC__METADATA_TYPE_VORBIS_COMMENT: gst_flac_dec_update_metadata (flacdec, metadata); |