* Copyright (c) 2002 Francois Revol <revol@free.fr>
* Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
{ CODEC_ID_VORBIS , 0xDD }, /* non standard, gpac uses it */
{ CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
{ CODEC_ID_QCELP , 0xE1 },
+ { CODEC_ID_MPEG4SYSTEMS, 0x01 },
+ { CODEC_ID_MPEG4SYSTEMS, 0x02 },
{ CODEC_ID_NONE , 0 },
};
{ CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
{ CODEC_ID_DNXHD, MKTAG('A', 'V', 'd', 'n') }, /* AVID DNxHD */
- { CODEC_ID_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server */
+// { CODEC_ID_FLV1, MKTAG('H', '2', '6', '3') }, /* Flash Media Server */
{ CODEC_ID_MSMPEG4V3, MKTAG('3', 'I', 'V', 'D') }, /* 3ivx DivX Doctor */
{ CODEC_ID_RAWVIDEO, MKTAG('A', 'V', '1', 'x') }, /* AVID 1:1x */
{ CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'u', 'p') },
{ CODEC_ID_AC3, MKTAG('s', 'a', 'c', '3') }, /* Nero Recode */
{ CODEC_ID_DTS, MKTAG('d', 't', 's', 'c') }, /* mp4ra.org */
{ CODEC_ID_DTS, MKTAG('D', 'T', 'S', ' ') }, /* non-standard */
+ { CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') }, /* ETSI TS 102 366 Annex F */
{ CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') }, /* AMR-NB 3gp */
{ CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') }, /* AMR-WB 3gp */
}
return 0;
}
+
+typedef struct MovChannelLayout {
+ int64_t channel_layout;
+ uint32_t layout_tag;
+} MovChannelLayout;
+
+static const MovChannelLayout mov_channel_layout[] = {
+ { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
+ { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
+ { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
+ { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
+ { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
+ { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
+ { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
+ { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
+ { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
+ { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
+ { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
+ { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
+ { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
+ { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
+ { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
+ { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
+ { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
+ { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
+ { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
+ { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
+ { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
+ { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
+ { 0, 0},
+};
+
+void ff_mov_read_chan(AVFormatContext *s, int64_t size, AVCodecContext *codec)
+{
+ uint32_t layout_tag;
+ AVIOContext *pb = s->pb;
+ const MovChannelLayout *layouts = mov_channel_layout;
+ layout_tag = avio_rb32(pb);
+ size -= 4;
+ if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
+ // Channel descriptions not implemented
+ av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
+ avio_skip(pb, size);
+ return;
+ }
+ if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
+ codec->channel_layout = avio_rb32(pb);
+ size -= 4;
+ avio_skip(pb, size);
+ return;
+ }
+ while (layouts->channel_layout) {
+ if (layout_tag == layouts->layout_tag) {
+ codec->channel_layout = layouts->channel_layout;
+ break;
+ }
+ layouts++;
+ }
+ if (!codec->channel_layout)
+ av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
+ avio_skip(pb, size);
+}
+
+void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
+{
+ const MovChannelLayout *layouts;
+ uint32_t layout_tag = 0;
+
+ for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
+ if (channel_layout == layouts->channel_layout) {
+ layout_tag = layouts->layout_tag;
+ break;
+ }
+
+ if (layout_tag) {
+ avio_wb32(pb, layout_tag); // mChannelLayoutTag
+ avio_wb32(pb, 0); // mChannelBitmap
+ } else {
+ avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
+ avio_wb32(pb, channel_layout);
+ }
+ avio_wb32(pb, 0); // mNumberChannelDescriptions
+}
+
projects / ffmpeg / blobdiff