From 520d5c37f54e16758ca3d27483d311339437a500 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Thu, 29 Jan 2004 09:28:58 +0000 Subject: [PATCH] docs/random/mimetypes: Update docs to point to correct elements for various mimetypes, and some more errors pointed o... MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Original commit message from CVS: 2004-01-29 Ronald Bultje * docs/random/mimetypes: Update docs to point to correct elements for various mimetypes, and some more errors pointed out by Stéphane LOEUILLET (aka LeRoutier) . --- ChangeLog | 7 ++ docs/random/mimetypes | 145 +++++++++++------------------------------- 2 files changed, 43 insertions(+), 109 deletions(-) diff --git a/ChangeLog b/ChangeLog index 757b2592b4..7943a14c7d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2004-01-29 Ronald Bultje + + * docs/random/mimetypes: + Update docs to point to correct elements for various mimetypes, and + some more errors pointed out by Stéphane LOEUILLET (aka LeRoutier) + . + 2004-01-28 David Schleef * docs/pwg/intro-basics.xml: rewrite bufferpool stuff. diff --git a/docs/random/mimetypes b/docs/random/mimetypes index 60e97621fb..128c95cd19 100644 --- a/docs/random/mimetypes +++ b/docs/random/mimetypes @@ -22,20 +22,14 @@ key/value pairs). An example of a MIME type is 'video/mpeg'. A corresponding GstCaps could be created using code: -GstCaps *caps = gst_caps_new("video_mpeg_type", - "video/mpeg", - gst_props_new("width", GST_PROPS_INT(384), - "height", GST_PROPS_INT(288), - NULL)); -or by using a macro: +GstCaps *caps = gst_caps_new_simple ("video/mpeg", + "width", G_TYPE_INT, 384, + "height", G_TYPE_INT, 288, + NULL); -GstCaps *caps = GST_CAPS_NEW("video_mpeg_type", - "video/mpeg", - "width", GST_PROPS_INT(384), - "height", GST_PROPS_INT(288)); - -Obviously, MIME types and their corresponding properties are of major importance -in GStreamer for uniquely identifying media streams. +MIME types and their corresponding properties are of major importance in +GStreamer for uniquely identifying media streams. Therefore, we define them +per media type. All GStreamer plugins should keep to this definition. Official MIME media types are assigned by the IANA. Current assignments are at http://www.iana.org/assignments/media-types/. @@ -100,14 +94,14 @@ Container formats 3 - MPEG (MPEG LA) MIME type: video/mpeg Properties: 'systemstream' = TRUE (BOOLEAN) - Parser: mp1videoparse - Formatter: + Parser: mpegdemux + Formatter: mplex 4 - ASF (Microsoft) MIME type: video/x-ms-asf Properties: Parser: asfdemux - Formatter: + Formatter: asfmux 5 - WAV (PCM) MIME type: audio/x-wav @@ -130,14 +124,14 @@ Container formats 8 - Ogg (Xiph) MIME type: application/ogg Properties: - Parser: vorbisfile - Formatter: vorbisenc + Parser: oggdemux + Formatter: 9 - Matroska MIME type: video/x-mkv Properties: - Parser: - Formatter: + Parser: matroskademux + Formatter: matroskamux 10 - Shockwave (Macromedia) MIME type: application/x-shockwave-flash @@ -183,7 +177,8 @@ Container formats Please note that we try to keep these MIME types as similar as possible to the MIME types used as standards in Gnome (Gnome-VFS/Nautilus) and KDE -(Konqueror). +(Konqueror). Both will (in future) stick to a shared-mime-info database that +is hosted on freedesktop.org, and bases itself on IANA. Also, there is a very thin line between audio codecs and audio containers (take mp3 vs. sid, etc.). This is just a per-case thing right now and needs to @@ -216,8 +211,8 @@ framerate = 0 - MAXFLOAT (FLOAT) Properties: Optional properties: divxversion = 3/4/5 (INT) Known fourccs: DIV3, DIV4, DIV5, DIVX, DX50, DIVX, divx - Encoder: - Decoder: dvdreadsrc, dvdnavsrc + Encoder: divxenc + Decoder: divxdec, ffdec_mpeg4 3 - Microsoft MPEG 4.1, 4.2 and 4.3 MIME type: video/x-msmpeg @@ -231,14 +226,14 @@ framerate = 0 - MAXFLOAT (FLOAT) MIME type: video/x-jpeg Properties: Known fourccs: MJPG (YUY2 MJPEG), JPEG (any), PIXL (Pinnacle/Miro), VIXL - Encoder: - Decoder: + Encoder: jpegenc + Decoder: jpegdec, ffdec_mjpeg 5 - Sorensen (Quicktime - SVQ1/SVQ3) MIME types: video/x-svq Properties: svqversion = 1/3 (INT) Encoder: - Decoder: + Decoder: ffdec_svq1, ffdec_svq3 6 - H263 and related codecs MIME type: video/x-h263 @@ -252,7 +247,7 @@ framerate = 0 - MAXFLOAT (FLOAT) Properties: systemstream = FALSE (BOOLEAN) Known fourccs: RV10, RV20, RV30 Encoder: - Decoder: rmdemux + Decoder: 8 - Digital Video (DV) MIME type: video/x-dv @@ -265,14 +260,14 @@ framerate = 0 - MAXFLOAT (FLOAT) MIME type: video/x-wmv Properties: wmvversion = 1/2 (INT) Encoder: - Decoder: + Decoder: ffdec_wmv1, ffdec_wmv2 10 - XviD (xvid.org) MIME type: video/x-xvid Properties: Known fourccs: xvid, XVID - Encoder: - Decoder: + Encoder: xvidenc + Decoder: xviddec, ffdec_mpeg4 11 - 3IVX (3ixv.org) MIME type: video/x-3ivx @@ -291,26 +286,26 @@ framerate = 0 - MAXFLOAT (FLOAT) MIME type: video/x-vp3 Properties: Encoder: - Decoder: + Decoder: ffdec_vp3 14 - Ogg/Theora (Xiph, VP3-like) MIME type: video/x-theora Properties: Encoder: - Decoder: + Decoder: ffdec_vp3 15 - Huffyuv MIME type: video/x-huffyuv Properties: Known fourccs: HFYU Encoder: - Decoder: + Decoder: ffdec_hfyu 16 - FF Video 1 (FFMPEG) MIME type: video/x-ffv Properties: ffvversion = 1 (INT) Encoder: - Decoder: + Decoder: ffdec_ffv1 17 - H264 MIME type: video/x-h264 @@ -341,76 +336,6 @@ TODO: divx4/divx5/xvid/3ivx/mpeg-4 - how to make them overlap? (all 3c) Audio Codecs ---------------- -for convenience, the two-byte hexcodes (as are being used for identification -in AVI files) are also given - -Preface - (optional) properties for all audio formats: - 'rate' = X (int) <- sampling rate - 'channels' = X (int) <- number of audio channels - -1 - Raw Audio (integer format) - mimetype: audio/x-raw-int - properties: 'width' = X (INT) <- memory bits per sample - 'depth' = X (INT) <- used bits per sample - 'signed' = X (BOOLEAN) - 'endianness' = 1234/4321 (INT) - -2 - Raw Audio (floating point format) - mimetype: audio/x-raw-float - properties: 'width' = X (INT) <- 32=float, 64=double - 'endianness' = 1234/4321 (INT) <- use G_BIG/LITTLE_ENDIAN! - 'buffer-frames' = (INT) - number of samples per buffer, 0 means undefined - With regards to the signal: 0.0 represents no signal, +/- 1.0 is 0 dB. - -3 - Alaw Raw Audio - mimetype: audio/x-alaw - -4 - Mulaw Raw Audio - mimetype: audio/x-mulaw - -5 - MPEG-1 layer 1/2/3 audio - mimetype: audio/mpeg - properties: 'mpegversion' = 1 (INT) - 'layer' = 1/2/3 (INT) - -6 - Ogg/Vorbis - mimetype: audio/x-vorbis - -7 - Windows Media Audio 1 and 2 (WMA) - mimetype: audio/x-wma - properties: 'wmaversion' = 1/2 (INT) - -8 - AC3 - mimetype: audio/x-ac3 - -9 - FLAC (Free Lossless Audio Codec) - mimetype: audio/x-flac - -10 - MACE 3/6 (Quicktime audio) - mimetype: audio/x-mace - properties: 'maceversion' = 3/6 (INT) - -11 - MPEG-4 AAC - mimetype: audio/mpeg - properties: 'mpegversion' = 4 (INT) - -12 - (IMA) ADPCM (Quicktime/WAV/Microsoft/4XM) - mimetype: audio/x-adpcm - properties: 'layout' = "quicktime"/"wav"/"microsoft"/"4xm" (STRING) - - Note: the difference between each of these is the number of - samples packaed together per channel. For WAV, for - example, each sample is 4 bit, and 8 samples are packed - together per channel in the bytestream. For the others, - refer to technical documentation. - We probably want to distinguish these differently, but - I don't know how, yet. - -13 - RealAudio (Real) - mimetype: audio/x-pn-realaudio - properties: 'bitrate' = 14400/28800 (INT) - For convenience, the two-byte hexcodes (as used for identification in AVI files) are also given. @@ -447,13 +372,13 @@ channels = 1 - MAXINT (INT, number of audio channels) MIME type: audio/x-wma Properties: wmaversion = 1/2 (INT) Encoder: - Decoder: + Decoder: ffdec_wmav1, ffdec_wmav2 6 - AC3 MIME type: audio/x-ac3 Properties: - Encoder: - Decoder: + Encoder: ffenc_ac3 + Decoder: a52dec 7 - FLAC (Free Lossless Audio Codec) MIME type: audio/x-flac @@ -470,8 +395,8 @@ channels = 1 - MAXINT (INT, number of audio channels) 9 - MPEG-4 AAC MIME type: audio/mpeg Properties: mpegversion = 4 (INT) - Encoder: - Decoder: + Encoder: faac + Decoder: faad 10 - (IMA) ADPCM (Quicktime/WAV/Microsoft/4XM) MIME type: audio/x-adpcm @@ -619,6 +544,8 @@ endianness = 1234/4321 (INT) <- use G_BIG/LITTLE_ENDIAN 4 - Raw audio (floating point format) MIME type: audio/x-raw-float Properties: width = 32/64 (INT) + endianness: 1234/4321 (INT) + buffer-frames: number of audio frames per buffer, 0=undefined Plugin Guidelines =================