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gstreamer/gst-libs/gst/riff/riff-media.c
Stefan Kost eda6d89b8c gst-libs/gst/riff/riff-media.c: Fix wrong method name in docs. Fix calculation of strf fields for broken mulaw/alaw. 
Original commit message from CVS:
* gst-libs/gst/riff/riff-media.c:
Fix wrong method name in docs. Fix calculation of strf fields for
broken mulaw/alaw.
* gst-libs/gst/riff/riff-read.c:
Whitespace fix and removing double ';'.
2008-05-21 14:35:41 +00:00

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/* GStreamer RIFF I/O
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* riff-media.h: RIFF-id to/from caps routines
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "riff-ids.h"
#include "riff-media.h"
#include <gst/audio/multichannel.h>
#include <string.h>
#include <math.h>
GST_DEBUG_CATEGORY_EXTERN (riff_debug);
#define GST_CAT_DEFAULT riff_debug
/**
* gst_riff_create_video_caps:
* @codec_fcc: fourCC codec for this codec.
* @strh: pointer to the strh stream header structure.
* @strf: pointer to the strf stream header structure, including any
* data that is within the range of strf.size, but excluding any
* additional data withint this chunk but outside strf.size.
* @strf_data: a #GstBuffer containing the additional data in the strf
* chunk outside reach of strf.size. Ususally a palette.
* @strd_data: a #GstBuffer containing the data in the strd stream header
* chunk. Usually codec initialization data.
* @codec_name: if given, will be filled with a human-readable codec name.
*/
GstCaps *
gst_riff_create_video_caps (guint32 codec_fcc,
gst_riff_strh * strh, gst_riff_strf_vids * strf,
GstBuffer * strf_data, GstBuffer * strd_data, char **codec_name)
{
GstCaps *caps = NULL;
GstBuffer *palette = NULL;
GST_DEBUG ("video fourcc %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (codec_fcc));
switch (codec_fcc) {
case GST_MAKE_FOURCC ('D', 'I', 'B', ' '):{
gint bpp = (strf && strf->bit_cnt != 0) ? strf->bit_cnt : 8;
if (strf) {
if (bpp == 8) {
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 8, "depth", G_TYPE_INT, 8,
"endianness", G_TYPE_INT, G_BYTE_ORDER, NULL);
} else if (bpp == 24) {
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24, "depth", G_TYPE_INT, 24,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"red_mask", G_TYPE_INT, 0xff, "green_mask", G_TYPE_INT, 0xff00,
"blue_mask", G_TYPE_INT, 0xff0000, NULL);
} else {
GST_WARNING ("Unhandled DIB RGB depth: %d", bpp);
}
} else {
/* for template */
caps = gst_caps_from_string ("video/x-raw-rgb, bpp = (int) { 8, 24 }, "
"depth = (int) { 8, 24}");
}
palette = strf_data;
strf_data = NULL;
if (codec_name)
*codec_name = g_strdup_printf ("Palettized %d-bit RGB", bpp);
break;
}
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, codec_fcc, NULL);
if (codec_name)
*codec_name = g_strdup ("Uncompressed planar YUV 4:2:0");
break;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, codec_fcc, NULL);
if (codec_name)
*codec_name = g_strdup ("Uncompressed packed YUV 4:2:2");
break;
case GST_MAKE_FOURCC ('Y', 'V', 'U', '9'):
caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, codec_fcc, NULL);
if (codec_name)
*codec_name = g_strdup ("Uncompressed packed YVU 4:1:0");
break;
case GST_MAKE_FOURCC ('M', 'J', 'P', 'G'): /* YUY2 MJPEG */
case GST_MAKE_FOURCC ('A', 'V', 'R', 'n'):
case GST_MAKE_FOURCC ('I', 'J', 'P', 'G'):
case GST_MAKE_FOURCC ('i', 'j', 'p', 'g'):
case GST_MAKE_FOURCC ('J', 'P', 'G', 'L'):
caps = gst_caps_new_simple ("image/jpeg", NULL);
if (codec_name)
*codec_name = g_strdup ("Motion JPEG");
break;
case GST_MAKE_FOURCC ('J', 'P', 'E', 'G'): /* generic (mostly RGB) MJPEG */
case GST_MAKE_FOURCC ('j', 'p', 'e', 'g'): /* generic (mostly RGB) MJPEG */
caps = gst_caps_new_simple ("image/jpeg", NULL);
if (codec_name)
*codec_name = g_strdup ("JPEG Still Image");
break;
case GST_MAKE_FOURCC ('P', 'I', 'X', 'L'): /* Miro/Pinnacle fourccs */
case GST_MAKE_FOURCC ('V', 'I', 'X', 'L'): /* Miro/Pinnacle fourccs */
caps = gst_caps_new_simple ("image/jpeg", NULL);
if (codec_name)
*codec_name = g_strdup ("Miro/Pinnacle Motion JPEG Video");
break;
case GST_MAKE_FOURCC ('S', 'P', '5', '3'):
case GST_MAKE_FOURCC ('S', 'P', '5', '4'):
case GST_MAKE_FOURCC ('S', 'P', '5', '5'):
case GST_MAKE_FOURCC ('S', 'P', '5', '6'):
case GST_MAKE_FOURCC ('S', 'P', '5', '7'):
case GST_MAKE_FOURCC ('S', 'P', '5', '8'):
caps = gst_caps_new_simple ("video/sp5x", NULL);
if (codec_name)
*codec_name = g_strdup ("Sp5x-like JPEG");
break;
case GST_MAKE_FOURCC ('H', 'F', 'Y', 'U'):
caps = gst_caps_new_simple ("video/x-huffyuv", NULL);
if (strf) {
gst_caps_set_simple (caps, "bpp",
G_TYPE_INT, (int) strf->bit_cnt, NULL);
}
if (codec_name)
*codec_name = g_strdup ("Huffman Lossless Codec");
break;
case GST_MAKE_FOURCC ('M', 'P', 'E', 'G'):
case GST_MAKE_FOURCC ('M', 'P', 'G', 'I'):
case GST_MAKE_FOURCC ('m', 'p', 'g', '1'):
case GST_MAKE_FOURCC ('M', 'P', 'G', '1'):
case GST_MAKE_FOURCC ('P', 'I', 'M', '1'):
caps = gst_caps_new_simple ("video/mpeg",
"systemstream", G_TYPE_BOOLEAN, FALSE,
"mpegversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("MPEG-1 video");
break;
case GST_MAKE_FOURCC ('M', 'P', 'G', '2'):
case GST_MAKE_FOURCC ('m', 'p', 'g', '2'):
caps = gst_caps_new_simple ("video/mpeg",
"systemstream", G_TYPE_BOOLEAN, FALSE,
"mpegversion", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("MPEG-2 video");
break;
case GST_MAKE_FOURCC ('H', '2', '6', '3'):
case GST_MAKE_FOURCC ('h', '2', '6', '3'):
case GST_MAKE_FOURCC ('i', '2', '6', '3'):
case GST_MAKE_FOURCC ('U', '2', '6', '3'):
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "itu", NULL);
if (codec_name)
*codec_name = g_strdup ("ITU H.26n");
break;
case GST_MAKE_FOURCC ('L', '2', '6', '3'):
/* http://www.leadcodecs.com/Codecs/LEAD-H263.htm */
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "lead", NULL);
if (codec_name)
*codec_name = g_strdup ("Lead H.263");
break;
case GST_MAKE_FOURCC ('M', '2', '6', '3'):
case GST_MAKE_FOURCC ('m', '2', '6', '3'):
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "microsoft", NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft H.263");
break;
case GST_MAKE_FOURCC ('V', 'D', 'O', 'W'):
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "vdolive", NULL);
if (codec_name)
*codec_name = g_strdup ("VDOLive");
break;
case GST_MAKE_FOURCC ('V', 'I', 'V', 'O'):
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "vivo", NULL);
if (codec_name)
*codec_name = g_strdup ("Vivo H.263");
break;
case GST_MAKE_FOURCC ('x', '2', '6', '3'):
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "xirlink", NULL);
if (codec_name)
*codec_name = g_strdup ("Xirlink H.263");
break;
/* apparently not standard H.263...? */
case GST_MAKE_FOURCC ('I', '2', '6', '3'):
caps = gst_caps_new_simple ("video/x-intel-h263",
"variant", G_TYPE_STRING, "intel", NULL);
if (codec_name)
*codec_name = g_strdup ("Intel H.263");
break;
case GST_MAKE_FOURCC ('H', '2', '6', '4'):
case GST_MAKE_FOURCC ('h', '2', '6', '4'):
case GST_MAKE_FOURCC ('a', 'v', 'c', '1'):
case GST_MAKE_FOURCC ('A', 'V', 'C', '1'):
caps = gst_caps_new_simple ("video/x-h264",
"variant", G_TYPE_STRING, "itu", NULL);
if (codec_name)
*codec_name = g_strdup ("ITU H.264");
break;
case GST_MAKE_FOURCC ('V', 'S', 'S', 'H'):
caps = gst_caps_new_simple ("video/x-h264",
"variant", G_TYPE_STRING, "videosoft", NULL);
if (codec_name)
*codec_name = g_strdup ("VideoSoft H.264");
break;
case GST_MAKE_FOURCC ('S', 'E', 'D', 'G'):
caps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("Samsung MPEG-4");
break;
case GST_MAKE_FOURCC ('D', 'I', 'V', '3'):
case GST_MAKE_FOURCC ('d', 'i', 'v', '3'):
case GST_MAKE_FOURCC ('D', 'I', 'V', '4'):
case GST_MAKE_FOURCC ('d', 'i', 'v', '4'):
case GST_MAKE_FOURCC ('D', 'I', 'V', '5'):
case GST_MAKE_FOURCC ('d', 'i', 'v', '5'):
case GST_MAKE_FOURCC ('D', 'I', 'V', '6'):
case GST_MAKE_FOURCC ('d', 'i', 'v', '6'):
case GST_MAKE_FOURCC ('M', 'P', 'G', '3'):
case GST_MAKE_FOURCC ('m', 'p', 'g', '3'):
case GST_MAKE_FOURCC ('c', 'o', 'l', '0'):
case GST_MAKE_FOURCC ('C', 'O', 'L', '0'):
case GST_MAKE_FOURCC ('c', 'o', 'l', '1'):
case GST_MAKE_FOURCC ('C', 'O', 'L', '1'):
case GST_MAKE_FOURCC ('A', 'P', '4', '1'):
caps = gst_caps_new_simple ("video/x-divx",
"divxversion", G_TYPE_INT, 3, NULL);
if (codec_name)
*codec_name = g_strdup ("DivX MS-MPEG-4 Version 3");
break;
case GST_MAKE_FOURCC ('d', 'i', 'v', 'x'):
case GST_MAKE_FOURCC ('D', 'I', 'V', 'X'):
caps = gst_caps_new_simple ("video/x-divx",
"divxversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("DivX MPEG-4 Version 4");
break;
case GST_MAKE_FOURCC ('B', 'L', 'Z', '0'):
caps = gst_caps_new_simple ("video/x-divx",
"divxversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("Blizzard DivX");
break;
case GST_MAKE_FOURCC ('D', 'X', '5', '0'):
caps = gst_caps_new_simple ("video/x-divx",
"divxversion", G_TYPE_INT, 5, NULL);
if (codec_name)
*codec_name = g_strdup ("DivX MPEG-4 Version 5");
break;
case GST_MAKE_FOURCC ('X', 'V', 'I', 'D'):
case GST_MAKE_FOURCC ('x', 'v', 'i', 'd'):
caps = gst_caps_new_simple ("video/x-xvid", NULL);
if (codec_name)
*codec_name = g_strdup ("XVID MPEG-4");
break;
case GST_MAKE_FOURCC ('M', 'P', 'G', '4'):
caps = gst_caps_new_simple ("video/x-msmpeg",
"msmpegversion", G_TYPE_INT, 41, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft MPEG-4 4.1");
break;
case GST_MAKE_FOURCC ('m', 'p', '4', '2'):
case GST_MAKE_FOURCC ('M', 'P', '4', '2'):
caps = gst_caps_new_simple ("video/x-msmpeg",
"msmpegversion", G_TYPE_INT, 42, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft MPEG-4 4.2");
break;
case GST_MAKE_FOURCC ('m', 'p', '4', '3'):
case GST_MAKE_FOURCC ('M', 'P', '4', '3'):
caps = gst_caps_new_simple ("video/x-msmpeg",
"msmpegversion", G_TYPE_INT, 43, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft MPEG-4 4.3");
break;
case GST_MAKE_FOURCC ('M', 'P', '4', 'S'):
case GST_MAKE_FOURCC ('M', '4', 'S', '2'):
caps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft ISO MPEG-4 1.1");
break;
case GST_MAKE_FOURCC ('F', 'M', 'P', '4'):
case GST_MAKE_FOURCC ('U', 'M', 'P', '4'):
caps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("FFmpeg MPEG-4");
break;
case GST_MAKE_FOURCC ('3', 'i', 'v', 'd'):
case GST_MAKE_FOURCC ('3', 'I', 'V', 'D'):
if (codec_name)
*codec_name = g_strdup ("Microsoft MPEG-4 4.3"); /* FIXME? */
return gst_caps_from_string ("video/x-msmpeg, msmpegversion = (int) 43");
case GST_MAKE_FOURCC ('3', 'I', 'V', '1'):
case GST_MAKE_FOURCC ('3', 'I', 'V', '2'):
caps = gst_caps_new_simple ("video/x-3ivx", NULL);
if (codec_name)
*codec_name = g_strdup ("3ivx");
break;
case GST_MAKE_FOURCC ('D', 'V', 'S', 'D'):
case GST_MAKE_FOURCC ('d', 'v', 's', 'd'):
case GST_MAKE_FOURCC ('C', 'D', 'V', 'C'):
caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
if (codec_name)
*codec_name = g_strdup ("Generic DV");
break;
case GST_MAKE_FOURCC ('W', 'M', 'V', '1'):
caps = gst_caps_new_simple ("video/x-wmv",
"wmvversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft Windows Media 7");
break;
case GST_MAKE_FOURCC ('W', 'M', 'V', '2'):
caps = gst_caps_new_simple ("video/x-wmv",
"wmvversion", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft Windows Media 8");
break;
case GST_MAKE_FOURCC ('W', 'M', 'V', '3'):
caps = gst_caps_new_simple ("video/x-wmv",
"wmvversion", G_TYPE_INT, 3, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft Windows Media 9");
break;
case GST_MAKE_FOURCC ('W', 'M', 'V', 'A'):
caps = gst_caps_new_simple ("video/x-wmv",
"wmvversion", G_TYPE_INT, 3, "fourcc", GST_TYPE_FOURCC,
codec_fcc, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft Windows Media Advanced Profile");
break;
case GST_MAKE_FOURCC ('W', 'V', 'C', '1'):
caps = gst_caps_new_simple ("video/x-wmv",
"wmvversion", G_TYPE_INT, 3, "fourcc", GST_TYPE_FOURCC,
codec_fcc, NULL);
if (codec_name)
*codec_name = g_strdup ("Microsoft Windows Media VC-1");
break;
case GST_MAKE_FOURCC ('c', 'v', 'i', 'd'):
caps = gst_caps_new_simple ("video/x-cinepak", NULL);
if (codec_name)
*codec_name = g_strdup ("Cinepak video");
break;
case GST_MAKE_FOURCC ('M', 'S', 'V', 'C'):
case GST_MAKE_FOURCC ('m', 's', 'v', 'c'):
case GST_MAKE_FOURCC ('C', 'R', 'A', 'M'):
case GST_MAKE_FOURCC ('c', 'r', 'a', 'm'):
case GST_MAKE_FOURCC ('W', 'H', 'A', 'M'):
case GST_MAKE_FOURCC ('w', 'h', 'a', 'm'):
caps = gst_caps_new_simple ("video/x-msvideocodec",
"msvideoversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("MS video v1");
palette = strf_data;
strf_data = NULL;
break;
case GST_MAKE_FOURCC ('R', 'L', 'E', ' '):
case GST_MAKE_FOURCC ('m', 'r', 'l', 'e'):
case GST_MAKE_FOURCC (0x1, 0x0, 0x0, 0x0): /* why, why, why? */
caps = gst_caps_new_simple ("video/x-rle",
"layout", G_TYPE_STRING, "microsoft", NULL);
palette = strf_data;
strf_data = NULL;
if (strf) {
gst_caps_set_simple (caps,
"depth", G_TYPE_INT, (gint) strf->bit_cnt, NULL);
} else {
gst_caps_set_simple (caps, "depth", GST_TYPE_INT_RANGE, 1, 64, NULL);
}
if (codec_name)
*codec_name = g_strdup ("Microsoft RLE");
break;
case GST_MAKE_FOURCC ('X', 'x', 'a', 'n'):
caps = gst_caps_new_simple ("video/x-xan",
"wcversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("Xan Wing Commander 4");
break;
case GST_MAKE_FOURCC ('R', 'T', '2', '1'):
caps = gst_caps_new_simple ("video/x-indeo",
"indeoversion", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("Intel Video 2");
break;
case GST_MAKE_FOURCC ('I', 'V', '3', '1'):
case GST_MAKE_FOURCC ('I', 'V', '3', '2'):
case GST_MAKE_FOURCC ('i', 'v', '3', '1'):
case GST_MAKE_FOURCC ('i', 'v', '3', '2'):
caps = gst_caps_new_simple ("video/x-indeo",
"indeoversion", G_TYPE_INT, 3, NULL);
if (codec_name)
*codec_name = g_strdup ("Intel Video 3");
break;
case GST_MAKE_FOURCC ('I', 'V', '4', '1'):
case GST_MAKE_FOURCC ('i', 'v', '4', '1'):
caps = gst_caps_new_simple ("video/x-indeo",
"indeoversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("Intel Video 4");
break;
case GST_MAKE_FOURCC ('I', 'V', '5', '0'):
caps = gst_caps_new_simple ("video/x-indeo",
"indeoversion", G_TYPE_INT, 5, NULL);
if (codec_name)
*codec_name = g_strdup ("Intel Video 5");
break;
case GST_MAKE_FOURCC ('M', 'S', 'Z', 'H'):
caps = gst_caps_new_simple ("video/x-mszh", NULL);
if (codec_name)
*codec_name = g_strdup ("Lossless MSZH Video");
break;
case GST_MAKE_FOURCC ('Z', 'L', 'I', 'B'):
caps = gst_caps_new_simple ("video/x-zlib", NULL);
if (codec_name)
*codec_name = g_strdup ("Lossless zlib video");
break;
case GST_MAKE_FOURCC ('C', 'L', 'J', 'R'):
caps = gst_caps_new_simple ("video/x-cirrus-logic-accupak", NULL);
if (codec_name)
*codec_name = g_strdup ("Cirrus Logipak AccuPak");
break;
case GST_MAKE_FOURCC ('C', 'Y', 'U', 'V'):
case GST_MAKE_FOURCC ('c', 'y', 'u', 'v'):
caps = gst_caps_new_simple ("video/x-compressed-yuv", NULL);
if (codec_name)
*codec_name = g_strdup ("CYUV Lossless");
break;
case GST_MAKE_FOURCC ('D', 'U', 'C', 'K'):
caps = gst_caps_new_simple ("video/x-truemotion",
"trueversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("Duck Truemotion1");
break;
case GST_MAKE_FOURCC ('T', 'M', '2', '0'):
caps = gst_caps_new_simple ("video/x-truemotion",
"trueversion", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("TrueMotion 2.0");
break;
case GST_MAKE_FOURCC ('V', 'P', '3', '0'):
case GST_MAKE_FOURCC ('v', 'p', '3', '0'):
case GST_MAKE_FOURCC ('V', 'P', '3', '1'):
case GST_MAKE_FOURCC ('v', 'p', '3', '1'):
case GST_MAKE_FOURCC ('V', 'P', '3', ' '):
caps = gst_caps_new_simple ("video/x-vp3", NULL);
if (codec_name)
*codec_name = g_strdup ("VP3");
break;
case GST_MAKE_FOURCC ('U', 'L', 'T', 'I'):
caps = gst_caps_new_simple ("video/x-ultimotion", NULL);
if (codec_name)
*codec_name = g_strdup ("IBM UltiMotion");
break;
case GST_MAKE_FOURCC ('T', 'S', 'C', 'C'):
case GST_MAKE_FOURCC ('t', 's', 'c', 'c'):{
if (strf) {
gint depth = (strf->bit_cnt != 0) ? (gint) strf->bit_cnt : 24;
caps = gst_caps_new_simple ("video/x-camtasia", "depth", G_TYPE_INT,
depth, NULL);
} else {
/* template caps */
caps = gst_caps_new_simple ("video/x-camtasia", NULL);
}
if (codec_name)
*codec_name = g_strdup ("TechSmith Camtasia");
break;
}
case GST_MAKE_FOURCC ('V', 'C', 'R', '1'):
caps = gst_caps_new_simple ("video/x-ati-vcr",
"vcrversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("ATI VCR 1");
break;
case GST_MAKE_FOURCC ('V', 'C', 'R', '2'):
caps = gst_caps_new_simple ("video/x-ati-vcr",
"vcrversion", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("ATI VCR 2");
break;
case GST_MAKE_FOURCC ('A', 'S', 'V', '1'):
caps = gst_caps_new_simple ("video/x-asus",
"asusversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("Asus Video 1");
break;
case GST_MAKE_FOURCC ('A', 'S', 'V', '2'):
caps = gst_caps_new_simple ("video/x-asus",
"asusversion", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("Asus Video 2");
break;
case GST_MAKE_FOURCC ('M', 'P', 'N', 'G'):
case GST_MAKE_FOURCC ('m', 'p', 'n', 'g'):
case GST_MAKE_FOURCC ('P', 'N', 'G', ' '):
caps = gst_caps_new_simple ("image/png", NULL);
if (codec_name)
*codec_name = g_strdup ("PNG image");
break;
case GST_MAKE_FOURCC ('F', 'L', 'V', '1'):
caps = gst_caps_new_simple ("video/x-flash-video",
"flvversion", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("Flash Video 1");
break;
case GST_MAKE_FOURCC ('V', 'M', 'n', 'c'):
caps = gst_caps_new_simple ("video/x-vmnc",
"version", G_TYPE_INT, 1, NULL);
if (codec_name)
*codec_name = g_strdup ("VMWare NC Video");
break;
case GST_MAKE_FOURCC ('d', 'r', 'a', 'c'):
caps = gst_caps_new_simple ("video/x-dirac", NULL);
if (codec_name)
*codec_name = g_strdup ("Dirac");
break;
default:
GST_WARNING ("Unknown video fourcc %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (codec_fcc));
return NULL;
}
if (strh != NULL) {
gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION,
strh->rate, strh->scale, NULL);
} else {
gst_caps_set_simple (caps,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
}
if (strf != NULL) {
gst_caps_set_simple (caps,
"width", G_TYPE_INT, strf->width,
"height", G_TYPE_INT, strf->height, NULL);
} else {
gst_caps_set_simple (caps,
"width", GST_TYPE_INT_RANGE, 16, 4096,
"height", GST_TYPE_INT_RANGE, 16, 4096, NULL);
}
/* extradata */
if (strf_data || strd_data) {
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER,
strf_data ? strf_data : strd_data, NULL);
}
/* palette */
if (palette) {
GstBuffer *copy;
guint num_colors;
if (strf != NULL)
num_colors = strf->num_colors;
else
num_colors = 256;
if (GST_BUFFER_SIZE (palette) >= (num_colors * 4)) {
/* palette is always at least 256*4 bytes */
copy =
gst_buffer_new_and_alloc (MAX (GST_BUFFER_SIZE (palette), 256 * 4));
memcpy (GST_BUFFER_DATA (copy), GST_BUFFER_DATA (palette),
GST_BUFFER_SIZE (palette));
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
{
guint8 *data = GST_BUFFER_DATA (copy);
gint n;
/* own endianness */
for (n = 0; n < num_colors; n++) {
GST_WRITE_UINT32_BE (data, GST_READ_UINT32_LE (data));
data += sizeof (guint32);
}
}
#endif
gst_caps_set_simple (caps, "palette_data", GST_TYPE_BUFFER, copy, NULL);
gst_buffer_unref (copy);
} else {
GST_WARNING ("Palette smaller than expected: broken file");
}
}
return caps;
}
static const struct
{
const guint32 ms_mask;
const GstAudioChannelPosition gst_pos;
} layout_mapping[] = {
{
0x00001, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, {
0x00002, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
0x00004, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
0x00008, GST_AUDIO_CHANNEL_POSITION_LFE}, {
0x00010, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT}, {
0x00020, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
0x00040, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER}, {
0x00080, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER}, {
0x00100, GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
0x00200, GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT}, {
0x00400, GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}, {
0x00800, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_CENTER */
{
0x01000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_FRONT_LEFT */
{
0x02000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_FRONT_CENTER */
{
0x04000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_FRONT_RIGHT */
{
0x08000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_BACK_LEFT */
{
0x10000, GST_AUDIO_CHANNEL_POSITION_INVALID}, /* TOP_BACK_CENTER */
{
0x20000, GST_AUDIO_CHANNEL_POSITION_INVALID} /* TOP_BACK_RIGHT */
};
#define MAX_CHANNEL_POSITIONS G_N_ELEMENTS (layout_mapping)
static gboolean
gst_riff_wavext_add_channel_layout (GstCaps * caps, guint32 layout)
{
GstAudioChannelPosition pos[MAX_CHANNEL_POSITIONS];
GstStructure *s;
gint num_channels, i, p;
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (s, "channels", &num_channels))
g_return_val_if_reached (FALSE);
/* In theory this should be done for 1 and 2 channels too but
* apparently breaks too many things currently.
*/
if (num_channels <= 2 || num_channels > MAX_CHANNEL_POSITIONS) {
GST_DEBUG ("invalid number of channels: %d", num_channels);
return FALSE;
}
p = 0;
for (i = 0; i < MAX_CHANNEL_POSITIONS; ++i) {
if ((layout & layout_mapping[i].ms_mask) != 0) {
if (p >= num_channels) {
GST_WARNING ("More bits set in the channel layout map than there "
"are channels! Broken file");
return FALSE;
}
if (layout_mapping[i].gst_pos == GST_AUDIO_CHANNEL_POSITION_INVALID) {
GST_WARNING ("Unsupported channel position (mask 0x%08x) in channel "
"layout map - ignoring those channels", layout_mapping[i].ms_mask);
/* what to do? just ignore it and let downstream deal with a channel
* layout that has INVALID positions in it for now ... */
}
pos[p] = layout_mapping[i].gst_pos;
++p;
}
}
if (p != num_channels) {
GST_WARNING ("Only %d bits set in the channel layout map, but there are "
"supposed to be %d channels! Broken file", p, num_channels);
return FALSE;
}
gst_audio_set_channel_positions (s, pos);
return TRUE;
}
static gboolean
gst_riff_wave_add_default_channel_layout (GstCaps * caps)
{
GstAudioChannelPosition pos[8] = { GST_AUDIO_CHANNEL_POSITION_NONE, };
GstStructure *s;
gint nchannels;
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (s, "channels", &nchannels))
g_return_val_if_reached (FALSE);
if (nchannels > 8) {
GST_DEBUG ("invalid number of channels: %d", nchannels);
return FALSE;
}
/* This uses the default channel mapping from ALSA which
* is used in quite a few surround test files and seems to be
* the defacto standard. The channel mapping from
* WAVE_FORMAT_EXTENSIBLE doesn't seem to be used in normal
* wav files like chan-id.wav.
* http://bugzilla.gnome.org/show_bug.cgi?id=489010
*/
switch (nchannels) {
case 1:
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_MONO;
break;
case 8:
pos[7] = GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT;
pos[6] = GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT;
/* fall through */
case 6:
pos[5] = GST_AUDIO_CHANNEL_POSITION_LFE;
/* fall through */
case 5:
pos[4] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
/* fall through */
case 4:
pos[3] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
pos[2] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
/* fall through */
case 2:
pos[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
break;
default:
return FALSE;
}
gst_audio_set_channel_positions (s, pos);
return TRUE;
}
static guint32
gst_riff_wavext_get_default_channel_mask (guint nchannels)
{
guint32 channel_mask = 0;
/* Set the default channel mask for the given number of channels.
* http://www.microsoft.com/whdc/device/audio/multichaud.mspx
*/
switch (nchannels) {
case 11:
channel_mask |= 0x00400;
channel_mask |= 0x00200;
case 9:
channel_mask |= 0x00100;
case 8:
channel_mask |= 0x00080;
channel_mask |= 0x00040;
case 6:
channel_mask |= 0x00020;
channel_mask |= 0x00010;
case 4:
channel_mask |= 0x00008;
case 3:
channel_mask |= 0x00004;
case 2:
channel_mask |= 0x00002;
channel_mask |= 0x00001;
break;
}
return channel_mask;
}
GstCaps *
gst_riff_create_audio_caps (guint16 codec_id,
gst_riff_strh * strh, gst_riff_strf_auds * strf,
GstBuffer * strf_data, GstBuffer * strd_data, char **codec_name)
{
gboolean block_align = FALSE, rate_chan = TRUE;
GstCaps *caps = NULL;
gint rate_min = 1000, rate_max = 96000;
gint channels_max = 2;
switch (codec_id) {
case GST_RIFF_WAVE_FORMAT_PCM: /* PCM */
channels_max = 8;
if (strf != NULL) {
gint ba = strf->blockalign;
gint ch = strf->channels;
gint wd, ws;
/* If we have an empty blockalign, we take the width contained in
* strf->size */
if (ba != 0)
wd = ba * 8 / ch;
else
wd = strf->size;
if (strf->size > 32) {
GST_WARNING ("invalid depth (%d) of pcm audio, overwriting.",
strf->size);
strf->size = 8 * ((wd + 7) / 8);
}
/* in riff, the depth is stored in the size field but it just means that
* the _least_ significant bits are cleared. We can therefore just play
* the sample as if it had a depth == width */
/* For reference, the actual depth is in strf->size */
ws = wd;
caps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
"channels", G_TYPE_INT, ch,
"width", G_TYPE_INT, wd,
"depth", G_TYPE_INT, ws, "signed", G_TYPE_BOOLEAN, wd != 8, NULL);
/* Add default channel layout. In theory this should be done
* for 1 and 2 channels too but apparently breaks too many
* things currently. Also we know no default layout for more than
* 8 channels. */
if (ch > 2) {
if (ch > 8)
GST_WARNING ("don't know default layout for %d channels", ch);
else if (gst_riff_wave_add_default_channel_layout (caps))
GST_DEBUG ("using default channel layout for %d channels", ch);
else
GST_WARNING ("failed to add channel layout");
}
} else {
/* FIXME: this is pretty useless - we need fixed caps */
caps = gst_caps_from_string ("audio/x-raw-int, "
"endianness = (int) LITTLE_ENDIAN, "
"signed = (boolean) { true, false }, "
"width = (int) { 8, 16, 24, 32 }, " "depth = (int) [ 1, 32 ]");
}
if (codec_name && strf)
*codec_name = g_strdup_printf ("Uncompressed %d-bit PCM audio",
strf->size);
break;
case GST_RIFF_WAVE_FORMAT_ADPCM:
caps = gst_caps_new_simple ("audio/x-adpcm",
"layout", G_TYPE_STRING, "microsoft", NULL);
if (codec_name)
*codec_name = g_strdup ("ADPCM audio");
block_align = TRUE;
break;
case GST_RIFF_WAVE_FORMAT_IEEE_FLOAT:
channels_max = 8;
if (strf != NULL) {
gint ba = strf->blockalign;
gint ch = strf->channels;
gint wd = ba * 8 / ch;
caps = gst_caps_new_simple ("audio/x-raw-float",
"endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
"channels", G_TYPE_INT, ch, "width", G_TYPE_INT, wd, NULL);
/* Add default channel layout. In theory this should be done
* for 1 and 2 channels too but apparently breaks too many
* things currently. Also we know no default layout for more than
* 8 channels. */
if (ch > 2) {
if (ch > 8)
GST_WARNING ("don't know default layout for %d channels", ch);
else if (gst_riff_wave_add_default_channel_layout (caps))
GST_DEBUG ("using default channel layout for %d channels", ch);
else
GST_WARNING ("failed to add channel layout");
}
} else {
/* FIXME: this is pretty useless - we need fixed caps */
caps = gst_caps_from_string ("audio/x-raw-float, "
"endianness = (int) LITTLE_ENDIAN, " "width = (int) { 32, 64 }");
}
if (codec_name && strf)
*codec_name = g_strdup_printf ("Uncompressed %d-bit IEEE float audio",
strf->size);
break;
case GST_RIFF_WAVE_FORMAT_IBM_CVSD:
goto unknown;
case GST_RIFF_WAVE_FORMAT_ALAW:
if (strf != NULL) {
if (strf->size != 8) {
GST_WARNING ("invalid depth (%d) of alaw audio, overwriting.",
strf->size);
strf->size = 8;
strf->blockalign = (strf->size * strf->channels) / 8;
strf->av_bps = strf->blockalign * strf->rate;
}
if (strf->av_bps == 0 || strf->blockalign == 0) {
GST_WARNING ("fixing av_bps (%d) and blockalign (%d) of alaw audio",
strf->av_bps, strf->blockalign);
strf->blockalign = (strf->size * strf->channels) / 8;
strf->av_bps = strf->blockalign * strf->rate;
}
}
rate_max = 48000;
caps = gst_caps_new_simple ("audio/x-alaw", NULL);
if (codec_name)
*codec_name = g_strdup ("A-law audio");
break;
case GST_RIFF_WAVE_FORMAT_WMS:
caps = gst_caps_new_simple ("audio/x-wms", NULL);
if (strf != NULL) {
gst_caps_set_simple (caps,
"bitrate", G_TYPE_INT, strf->av_bps * 8,
"width", G_TYPE_INT, strf->size,
"depth", G_TYPE_INT, strf->size, NULL);
} else {
gst_caps_set_simple (caps,
"bitrate", GST_TYPE_INT_RANGE, 0, G_MAXINT, NULL);
}
if (codec_name)
*codec_name = g_strdup ("Windows Media Audio Speech");
block_align = TRUE;
break;
case GST_RIFF_WAVE_FORMAT_MULAW:
if (strf != NULL) {
if (strf->size != 8) {
GST_WARNING ("invalid depth (%d) of mulaw audio, overwriting.",
strf->size);
strf->size = 8;
strf->blockalign = (strf->size * strf->channels) / 8;
strf->av_bps = strf->blockalign * strf->rate;
}
if (strf->av_bps == 0 || strf->blockalign == 0) {
GST_WARNING ("fixing av_bps (%d) and blockalign (%d) of mulaw audio",
strf->av_bps, strf->blockalign);
strf->blockalign = (strf->size * strf->channels) / 8;
strf->av_bps = strf->blockalign * strf->rate;
}
}
rate_max = 48000;
caps = gst_caps_new_simple ("audio/x-mulaw", NULL);
if (codec_name)
*codec_name = g_strdup ("Mu-law audio");
break;
case GST_RIFF_WAVE_FORMAT_OKI_ADPCM:
goto unknown;
case GST_RIFF_WAVE_FORMAT_DVI_ADPCM:
rate_max = 48000;
caps = gst_caps_new_simple ("audio/x-adpcm",
"layout", G_TYPE_STRING, "dvi", NULL);
if (codec_name)
*codec_name = g_strdup ("DVI ADPCM audio");
block_align = TRUE;
break;
case GST_RIFF_WAVE_FORMAT_GSM610:
case GST_RIFF_WAVE_FORMAT_MSN:
rate_min = 1;
caps = gst_caps_new_simple ("audio/ms-gsm", NULL);
if (codec_name)
*codec_name = g_strdup ("MS GSM audio");
break;
case GST_RIFF_WAVE_FORMAT_MPEGL12: /* mp1 or mp2 */
rate_min = 16000;
rate_max = 48000;
caps = gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, 2, NULL);
if (codec_name)
*codec_name = g_strdup ("MPEG-1 layer 2");
break;
case GST_RIFF_WAVE_FORMAT_MPEGL3: /* mp3 */
rate_min = 8000;
rate_max = 48000;
caps = gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, 3, NULL);
if (codec_name)
*codec_name = g_strdup ("MPEG-1 layer 3");
break;
case GST_RIFF_WAVE_FORMAT_VORBIS1: /* ogg/vorbis mode 1 */
case GST_RIFF_WAVE_FORMAT_VORBIS2: /* ogg/vorbis mode 2 */
case GST_RIFF_WAVE_FORMAT_VORBIS3: /* ogg/vorbis mode 3 */
case GST_RIFF_WAVE_FORMAT_VORBIS1PLUS: /* ogg/vorbis mode 1+ */
case GST_RIFF_WAVE_FORMAT_VORBIS2PLUS: /* ogg/vorbis mode 2+ */
case GST_RIFF_WAVE_FORMAT_VORBIS3PLUS: /* ogg/vorbis mode 3+ */
caps = gst_caps_new_simple ("audio/x-vorbis", NULL);
if (codec_name)
*codec_name = g_strdup ("Vorbis");
break;
case GST_RIFF_WAVE_FORMAT_A52:
channels_max = 6;
caps = gst_caps_new_simple ("audio/x-ac3", NULL);
if (codec_name)
*codec_name = g_strdup ("AC-3 audio");
break;
case GST_RIFF_WAVE_FORMAT_DTS:
channels_max = 6;
caps = gst_caps_new_simple ("audio/x-dts", NULL);
if (codec_name)
*codec_name = g_strdup ("DTS audio");
/* wavparse is not always able to specify rate/channels for DTS-in-wav */
rate_chan = FALSE;
break;
case GST_RIFF_WAVE_FORMAT_AAC:
{
channels_max = 8;
caps = gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 4, NULL);
if (codec_name)
*codec_name = g_strdup ("MPEG-4 AAC audio");
break;
}
case GST_RIFF_WAVE_FORMAT_WMAV1:
case GST_RIFF_WAVE_FORMAT_WMAV2:
case GST_RIFF_WAVE_FORMAT_WMAV3:
{
gint version = (codec_id - GST_RIFF_WAVE_FORMAT_WMAV1) + 1;
channels_max = 6;
block_align = TRUE;
caps = gst_caps_new_simple ("audio/x-wma",
"wmaversion", G_TYPE_INT, version, NULL);
if (codec_name)
*codec_name = g_strdup_printf ("WMA Version %d", version + 6);
if (strf != NULL) {
gst_caps_set_simple (caps,
"bitrate", G_TYPE_INT, strf->av_bps * 8,
"depth", G_TYPE_INT, strf->size, NULL);
} else {
gst_caps_set_simple (caps,
"bitrate", GST_TYPE_INT_RANGE, 0, G_MAXINT, NULL);
}
break;
}
case GST_RIFF_WAVE_FORMAT_WMAV3_L:
{
/* WMA Version 9 Lossless */
goto unknown;
}
case GST_RIFF_WAVE_FORMAT_SONY_ATRAC3:
caps = gst_caps_new_simple ("audio/x-vnd.sony.atrac3", NULL);
if (codec_name)
*codec_name = g_strdup ("Sony ATRAC3");
break;
case GST_RIFF_WAVE_FORMAT_EXTENSIBLE:{
guint16 valid_bits_per_sample;
guint32 channel_mask;
guint32 subformat_guid[4];
const guint8 *data;
channels_max = 8;
/* should be at least 22 bytes */
if (strf_data == NULL || GST_BUFFER_SIZE (strf_data) < 22) {
GST_WARNING ("WAVE_FORMAT_EXTENSIBLE data size is %d (expected: 22)",
(strf_data) ? GST_BUFFER_SIZE (strf_data) : -1);
return NULL;
}
data = GST_BUFFER_DATA (strf_data);
valid_bits_per_sample = GST_READ_UINT16_LE (data);
channel_mask = GST_READ_UINT32_LE (data + 2);
subformat_guid[0] = GST_READ_UINT32_LE (data + 6);
subformat_guid[1] = GST_READ_UINT32_LE (data + 10);
subformat_guid[2] = GST_READ_UINT32_LE (data + 14);
subformat_guid[3] = GST_READ_UINT32_LE (data + 18);
GST_DEBUG ("valid bps = %u", valid_bits_per_sample);
GST_DEBUG ("channel mask = 0x%08x", channel_mask);
GST_DEBUG ("GUID = %08x-%08x-%08x-%08x", subformat_guid[0],
subformat_guid[1], subformat_guid[2], subformat_guid[3]);
if (subformat_guid[1] == 0x00100000 &&
subformat_guid[2] == 0xaa000080 && subformat_guid[3] == 0x719b3800) {
if (subformat_guid[0] == 0x00000001) {
GST_DEBUG ("PCM");
if (strf != NULL) {
gint ba = strf->blockalign;
gint wd = ba * 8 / strf->channels;
gint ws;
/* in riff, the depth is stored in the size field but it just
* means that the _least_ significant bits are cleared. We can
* therefore just play the sample as if it had a depth == width */
ws = wd;
/* For reference, use this to get the actual depth:
* ws = strf->size;
* if (valid_bits_per_sample != 0)
* ws = valid_bits_per_sample; */
caps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
"channels", G_TYPE_INT, strf->channels,
"width", G_TYPE_INT, wd,
"depth", G_TYPE_INT, ws,
"rate", G_TYPE_INT, strf->rate,
"signed", G_TYPE_BOOLEAN, wd != 8, NULL);
/* If channel_mask == 0 and channels > 2 let's
* assume default layout as some wav files don't have the
* channel mask set. Don't set the layout for 1 or 2
* channels as it apparently breaks too many things currently. */
if (channel_mask == 0 && strf->channels > 2)
channel_mask =
gst_riff_wavext_get_default_channel_mask (strf->channels);
if ((channel_mask != 0 || strf->channels > 2) &&
!gst_riff_wavext_add_channel_layout (caps, channel_mask)) {
GST_WARNING ("failed to add channel layout");
gst_caps_unref (caps);
caps = NULL;
}
rate_chan = FALSE;
if (codec_name) {
*codec_name = g_strdup_printf ("Uncompressed %d-bit PCM audio",
strf->size);
}
}
} else if (subformat_guid[0] == 0x00000003) {
GST_DEBUG ("FLOAT");
if (strf != NULL) {
gint ba = strf->blockalign;
gint ws = strf->size;
gint wd = ba * 8 / strf->channels;
if (valid_bits_per_sample != 0)
ws = valid_bits_per_sample;
caps = gst_caps_new_simple ("audio/x-raw-float",
"endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
"channels", G_TYPE_INT, strf->channels,
"width", G_TYPE_INT, wd, "rate", G_TYPE_INT, strf->rate, NULL);
/* If channel_mask == 0 and channels > 2 let's
* assume default layout as some wav files don't have the
* channel mask set. Don't set the layout for 1 or 2
* channels as it apparently breaks too many things currently. */
if (channel_mask == 0 && strf->channels > 2)
channel_mask =
gst_riff_wavext_get_default_channel_mask (strf->channels);
if ((channel_mask != 0 || strf->channels > 2) &&
!gst_riff_wavext_add_channel_layout (caps, channel_mask)) {
GST_WARNING ("failed to add channel layout");
gst_caps_unref (caps);
caps = NULL;
}
rate_chan = FALSE;
if (codec_name) {
*codec_name =
g_strdup_printf ("Uncompressed %d-bit IEEE float audio",
strf->size);
}
}
} else if (subformat_guid[0] == 00000006) {
GST_DEBUG ("ALAW");
if (strf != NULL) {
if (strf->size != 8) {
GST_WARNING ("invalid depth (%d) of alaw audio, overwriting.",
strf->size);
strf->size = 8;
strf->av_bps = 8;
strf->blockalign = strf->av_bps * strf->channels;
}
if (strf->av_bps == 0 || strf->blockalign == 0) {
GST_WARNING
("fixing av_bps (%d) and blockalign (%d) of alaw audio",
strf->av_bps, strf->blockalign);
strf->av_bps = strf->size;
strf->blockalign = strf->av_bps * strf->channels;
}
}
rate_max = 48000;
caps = gst_caps_new_simple ("audio/x-alaw", NULL);
if (codec_name)
*codec_name = g_strdup ("A-law audio");
} else if (subformat_guid[0] == 0x00000007) {
GST_DEBUG ("MULAW");
if (strf != NULL) {
if (strf->size != 8) {
GST_WARNING ("invalid depth (%d) of mulaw audio, overwriting.",
strf->size);
strf->size = 8;
strf->av_bps = 8;
strf->blockalign = strf->av_bps * strf->channels;
}
if (strf->av_bps == 0 || strf->blockalign == 0) {
GST_WARNING
("fixing av_bps (%d) and blockalign (%d) of mulaw audio",
strf->av_bps, strf->blockalign);
strf->av_bps = strf->size;
strf->blockalign = strf->av_bps * strf->channels;
}
}
rate_max = 48000;
caps = gst_caps_new_simple ("audio/x-mulaw", NULL);
if (codec_name)
*codec_name = g_strdup ("Mu-law audio");
} else if (subformat_guid[0] == 0x00000092) {
GST_DEBUG ("FIXME: handle DOLBY AC3 SPDIF format");
}
} else if (subformat_guid[0] == 0x6ba47966 &&
subformat_guid[1] == 0x41783f83 &&
subformat_guid[2] == 0xf0006596 && subformat_guid[3] == 0xe59262bf) {
caps = gst_caps_new_simple ("application/x-ogg-avi", NULL);
if (codec_name)
*codec_name = g_strdup ("Ogg-AVI");
}
if (caps == NULL) {
GST_WARNING ("Unknown WAVE_FORMAT_EXTENSIBLE audio format");
return NULL;
}
break;
}
/* can anything decode these? pitfdll? */
case GST_RIFF_WAVE_FORMAT_VOXWARE:
case GST_RIFF_WAVE_FORMAT_VOXWARE_BYTE_ALIGNED:
case GST_RIFF_WAVE_FORMAT_VOXWARE_AC8:
case GST_RIFF_WAVE_FORMAT_VOXWARE_AC10:
case GST_RIFF_WAVE_FORMAT_VOXWARE_AC16:
case GST_RIFF_WAVE_FORMAT_VOXWARE_AC20:
case GST_RIFF_WAVE_FORMAT_VOXWARE_METAVOICE:
case GST_RIFF_WAVE_FORMAT_VOXWARE_METASOUND:
case GST_RIFF_WAVE_FORMAT_VOXWARE_RT29HW:
case GST_RIFF_WAVE_FORMAT_VOXWARE_VR12:
case GST_RIFF_WAVE_FORMAT_VOXWARE_VR18:
case GST_RIFF_WAVE_FORMAT_VOXWARE_TQ40:
case GST_RIFF_WAVE_FORMAT_VOXWARE_TQ60:{
caps = gst_caps_new_simple ("audio/x-voxware",
"voxwaretype", G_TYPE_INT, (gint) codec_id, NULL);
if (codec_name)
*codec_name = g_strdup ("Voxware");
break;
}
default:
unknown:
GST_WARNING ("Unknown audio tag 0x%04x", codec_id);
return NULL;
}
if (strf != NULL) {
if (rate_chan) {
if (strf->channels > channels_max)
goto too_many_channels;
if (strf->rate < rate_min || strf->rate > rate_max)
goto invalid_rate;
gst_caps_set_simple (caps,
"rate", G_TYPE_INT, strf->rate,
"channels", G_TYPE_INT, strf->channels, NULL);
}
if (block_align) {
gst_caps_set_simple (caps,
"block_align", G_TYPE_INT, strf->blockalign, NULL);
}
} else {
if (rate_chan) {
gst_caps_set_simple (caps,
"rate", GST_TYPE_INT_RANGE, rate_min, rate_max,
"channels", GST_TYPE_INT_RANGE, 1, channels_max, NULL);
}
if (block_align) {
gst_caps_set_simple (caps,
"block_align", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
}
}
/* extradata */
if (strf_data || strd_data) {
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER,
strf_data ? strf_data : strd_data, NULL);
}
return caps;
/* ERROR */
too_many_channels:
GST_WARNING
("Stream claims to contain %u channels, but format only supports %d",
strf->channels, channels_max);
gst_caps_unref (caps);
return NULL;
invalid_rate:
GST_WARNING
("Stream with sample_rate %u, but format only supports %d .. %d",
strf->rate, rate_min, rate_max);
gst_caps_unref (caps);
return NULL;
}
GstCaps *
gst_riff_create_iavs_caps (guint32 codec_fcc,
gst_riff_strh * strh, gst_riff_strf_iavs * strf,
GstBuffer * init_data, GstBuffer * extra_data, char **codec_name)
{
GstCaps *caps = NULL;
switch (codec_fcc) {
/* is this correct? */
case GST_MAKE_FOURCC ('D', 'V', 'S', 'D'):
case GST_MAKE_FOURCC ('d', 'v', 's', 'd'):
caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
if (codec_name)
*codec_name = g_strdup ("Generic DV");
break;
default:
GST_WARNING ("Unknown IAVS fourcc %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (codec_fcc));
return NULL;
}
return caps;
}
/*
* Functions below are for template caps. All is variable.
*/
GstCaps *
gst_riff_create_video_template_caps (void)
{
static const guint32 tags[] = {
GST_MAKE_FOURCC ('3', 'I', 'V', '1'),
GST_MAKE_FOURCC ('A', 'S', 'V', '1'),
GST_MAKE_FOURCC ('A', 'S', 'V', '2'),
GST_MAKE_FOURCC ('C', 'L', 'J', 'R'),
GST_MAKE_FOURCC ('C', 'Y', 'U', 'V'),
GST_MAKE_FOURCC ('D', 'I', 'B', ' '),
GST_MAKE_FOURCC ('D', 'I', 'V', '3'),
GST_MAKE_FOURCC ('D', 'I', 'V', 'X'),
GST_MAKE_FOURCC ('D', 'U', 'C', 'K'),
GST_MAKE_FOURCC ('D', 'V', 'S', 'D'),
GST_MAKE_FOURCC ('D', 'X', '5', '0'),
GST_MAKE_FOURCC ('F', 'L', 'V', '1'),
GST_MAKE_FOURCC ('H', '2', '6', '3'),
GST_MAKE_FOURCC ('H', '2', '6', '4'),
GST_MAKE_FOURCC ('H', 'F', 'Y', 'U'),
GST_MAKE_FOURCC ('I', '2', '6', '3'),
GST_MAKE_FOURCC ('I', '4', '2', '0'),
GST_MAKE_FOURCC ('I', 'V', '3', '2'),
GST_MAKE_FOURCC ('I', 'V', '4', '1'),
GST_MAKE_FOURCC ('I', 'V', '5', '0'),
GST_MAKE_FOURCC ('L', '2', '6', '3'),
GST_MAKE_FOURCC ('M', '2', '6', '3'),
GST_MAKE_FOURCC ('M', '4', 'S', '2'),
GST_MAKE_FOURCC ('M', 'J', 'P', 'G'),
GST_MAKE_FOURCC ('M', 'P', '4', '2'),
GST_MAKE_FOURCC ('M', 'P', '4', '3'),
GST_MAKE_FOURCC ('M', 'P', 'E', 'G'),
GST_MAKE_FOURCC ('M', 'P', 'G', '2'),
GST_MAKE_FOURCC ('M', 'P', 'G', '4'),
GST_MAKE_FOURCC ('M', 'S', 'Z', 'H'),
GST_MAKE_FOURCC ('P', 'N', 'G', ' '),
GST_MAKE_FOURCC ('R', 'L', 'E', ' '),
GST_MAKE_FOURCC ('R', 'T', '2', '1'),
GST_MAKE_FOURCC ('S', 'P', '5', '3'),
GST_MAKE_FOURCC ('T', 'M', '2', '0'),
GST_MAKE_FOURCC ('T', 'S', 'C', 'C'),
GST_MAKE_FOURCC ('U', 'L', 'T', 'I'),
GST_MAKE_FOURCC ('V', 'C', 'R', '1'),
GST_MAKE_FOURCC ('V', 'C', 'R', '2'),
GST_MAKE_FOURCC ('V', 'D', 'O', 'W'),
GST_MAKE_FOURCC ('V', 'I', 'V', 'O'),
GST_MAKE_FOURCC ('V', 'M', 'n', 'c'),
GST_MAKE_FOURCC ('V', 'P', '3', ' '),
GST_MAKE_FOURCC ('V', 'S', 'S', 'H'),
GST_MAKE_FOURCC ('W', 'M', 'V', '1'),
GST_MAKE_FOURCC ('W', 'M', 'V', '2'),
GST_MAKE_FOURCC ('W', 'M', 'V', '3'),
GST_MAKE_FOURCC ('X', 'V', 'I', 'D'),
GST_MAKE_FOURCC ('X', 'x', 'a', 'n'),
GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'),
GST_MAKE_FOURCC ('Y', 'V', 'U', '9'),
GST_MAKE_FOURCC ('Z', 'L', 'I', 'B'),
GST_MAKE_FOURCC ('c', 'v', 'i', 'd'),
GST_MAKE_FOURCC ('h', '2', '6', '4'),
GST_MAKE_FOURCC ('m', 's', 'v', 'c'),
GST_MAKE_FOURCC ('x', '2', '6', '3'),
GST_MAKE_FOURCC ('d', 'r', 'a', 'c')
/* FILL ME */
};
guint i;
GstCaps *caps, *one;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (tags); i++) {
one = gst_riff_create_video_caps (tags[i], NULL, NULL, NULL, NULL, NULL);
if (one)
gst_caps_append (caps, one);
}
return caps;
}
GstCaps *
gst_riff_create_audio_template_caps (void)
{
static const guint16 tags[] = {
GST_RIFF_WAVE_FORMAT_GSM610,
GST_RIFF_WAVE_FORMAT_MPEGL3,
GST_RIFF_WAVE_FORMAT_MPEGL12,
GST_RIFF_WAVE_FORMAT_PCM,
GST_RIFF_WAVE_FORMAT_VORBIS1,
GST_RIFF_WAVE_FORMAT_A52,
GST_RIFF_WAVE_FORMAT_DTS,
GST_RIFF_WAVE_FORMAT_AAC,
GST_RIFF_WAVE_FORMAT_ALAW,
GST_RIFF_WAVE_FORMAT_MULAW,
GST_RIFF_WAVE_FORMAT_WMS,
GST_RIFF_WAVE_FORMAT_ADPCM,
GST_RIFF_WAVE_FORMAT_DVI_ADPCM,
GST_RIFF_WAVE_FORMAT_WMAV1,
GST_RIFF_WAVE_FORMAT_WMAV2,
GST_RIFF_WAVE_FORMAT_WMAV3,
GST_RIFF_WAVE_FORMAT_SONY_ATRAC3,
GST_RIFF_WAVE_FORMAT_IEEE_FLOAT,
GST_RIFF_WAVE_FORMAT_VOXWARE
/* FILL ME */
};
guint i;
GstCaps *caps, *one;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (tags); i++) {
one = gst_riff_create_audio_caps (tags[i], NULL, NULL, NULL, NULL, NULL);
if (one)
gst_caps_append (caps, one);
}
one = gst_caps_new_simple ("application/x-ogg-avi", NULL);
gst_caps_append (caps, one);
return caps;
}
GstCaps *
gst_riff_create_iavs_template_caps (void)
{
static const guint32 tags[] = {
GST_MAKE_FOURCC ('D', 'V', 'S', 'D')
/* FILL ME */
};
guint i;
GstCaps *caps, *one;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (tags); i++) {
one = gst_riff_create_iavs_caps (tags[i], NULL, NULL, NULL, NULL, NULL);
if (one)
gst_caps_append (caps, one);
}
return caps;
}
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