| 1 | /*
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| 2 | * AVI encoder.
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| 3 | * Copyright (c) 2000 Fabrice Bellard.
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| 4 | *
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| 5 | * This library is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU Lesser General Public
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| 7 | * License as published by the Free Software Foundation; either
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| 8 | * version 2 of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This library is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | * Lesser General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU Lesser General Public
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| 16 | * License along with this library; if not, write to the Free Software
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| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 18 | */
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| 19 | #include "avformat.h"
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| 20 | #include "avi.h"
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| 21 |
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| 22 | /*
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| 23 | * TODO:
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| 24 | * - fill all fields if non streamed (nb_frames for example)
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| 25 | */
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| 26 |
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| 27 | #ifdef CONFIG_MUXERS
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| 28 | typedef struct AVIIentry {
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| 29 | unsigned int flags, pos, len;
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| 30 | } AVIIentry;
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| 31 |
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| 32 | #define AVI_INDEX_CLUSTER_SIZE 16384
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| 33 |
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| 34 | typedef struct AVIIndex {
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| 35 | offset_t indx_start;
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| 36 | int entry;
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| 37 | int ents_allocated;
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| 38 | AVIIentry** cluster;
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| 39 | } AVIIndex;
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| 40 |
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| 41 | typedef struct {
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| 42 | offset_t riff_start, movi_list, odml_list;
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| 43 | offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
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| 44 | int audio_strm_length[MAX_STREAMS];
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| 45 | int riff_id;
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| 46 | int packet_count[MAX_STREAMS];
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| 47 |
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| 48 | AVIIndex indexes[MAX_STREAMS];
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| 49 | } AVIContext;
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| 50 |
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| 51 | static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
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| 52 | {
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| 53 | int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
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| 54 | int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
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| 55 | return &idx->cluster[cl][id];
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| 56 | }
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| 57 |
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| 58 | offset_t start_tag(ByteIOContext *pb, const char *tag)
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| 59 | {
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| 60 | put_tag(pb, tag);
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| 61 | put_le32(pb, 0);
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| 62 | return url_ftell(pb);
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| 63 | }
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| 64 |
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| 65 | void end_tag(ByteIOContext *pb, offset_t start)
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| 66 | {
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| 67 | offset_t pos;
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| 68 |
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| 69 | pos = url_ftell(pb);
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| 70 | url_fseek(pb, start - 4, SEEK_SET);
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| 71 | put_le32(pb, (uint32_t)(pos - start));
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| 72 | url_fseek(pb, pos, SEEK_SET);
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| 73 | }
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| 74 | #endif //CONFIG_MUXERS
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| 75 |
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| 76 | /* Note: when encoding, the first matching tag is used, so order is
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| 77 | important if multiple tags possible for a given codec. */
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| 78 | const CodecTag codec_bmp_tags[] = {
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| 79 | { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
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| 80 | { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
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| 81 | { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
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| 82 | { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
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| 83 | { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
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| 84 | { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
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| 85 |
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| 86 | { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
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| 87 | { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
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| 88 | { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
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| 89 | { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
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| 90 |
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| 91 | /* added based on MPlayer */
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| 92 | { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
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| 93 | { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
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| 94 |
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| 95 | { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4')},
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| 96 | { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
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| 97 | { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
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| 98 | { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
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| 99 | { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
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| 100 | { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
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| 101 | { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
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| 102 |
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| 103 | /* added based on MPlayer */
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| 104 | { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
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| 105 | { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
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| 106 | { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
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| 107 | { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
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| 108 | { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
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| 109 | { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
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| 110 |
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| 111 | { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
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| 112 |
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| 113 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
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| 114 | { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
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| 115 |
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| 116 | /* added based on MPlayer */
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| 117 | { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
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| 118 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
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| 119 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
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| 120 | { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
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| 121 | { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
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| 122 | { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
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| 123 | { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
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| 124 |
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| 125 | { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
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| 126 |
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| 127 | /* added based on MPlayer */
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| 128 | { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
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| 129 |
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| 130 | { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
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| 131 |
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| 132 | { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
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| 133 |
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| 134 | /* added based on MPlayer */
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| 135 | { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
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| 136 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
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| 137 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
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| 138 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
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| 139 | { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
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| 140 | { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
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| 141 | { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
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| 142 | { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
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| 143 | { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
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| 144 | { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
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| 145 | { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
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| 146 | { CODEC_ID_MPEG1VIDEO, 0x10000001 },
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| 147 | { CODEC_ID_MPEG2VIDEO, 0x10000002 },
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| 148 | { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
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| 149 | { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
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| 150 | { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
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| 151 | { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
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| 152 | { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
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| 153 | { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
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| 154 | { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
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| 155 | { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
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| 156 | { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
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| 157 | { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
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| 158 | { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
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| 159 | { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
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| 160 | { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
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| 161 | { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
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| 162 | { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
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| 163 | { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
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| 164 | { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
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| 165 | { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
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| 166 | { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
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| 167 | { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
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| 168 | { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
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| 169 | { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
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| 170 | { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
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| 171 | { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
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| 172 | { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
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| 173 | { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
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| 174 | { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
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| 175 | { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
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| 176 | { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
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| 177 | { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
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| 178 | { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
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| 179 | { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
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| 180 | { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
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| 181 | { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
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| 182 | { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
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| 183 | { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
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| 184 | { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
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| 185 | { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
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| 186 | { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
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| 187 | { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
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| 188 | { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
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| 189 | { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
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| 190 | { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
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| 191 | { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
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| 192 | { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
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| 193 | { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
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| 194 | { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
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| 195 | { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
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| 196 | { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
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| 197 | { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
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| 198 | { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
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| 199 | { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
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| 200 | { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
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| 201 | { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
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| 202 | { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
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| 203 | { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
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| 204 | { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
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| 205 | { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
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| 206 | { CODEC_ID_RAWVIDEO, 0 },
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| 207 | { CODEC_ID_NONE, 0 },
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| 208 | };
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| 209 |
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| 210 | unsigned int codec_get_tag(const CodecTag *tags, int id)
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| 211 | {
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| 212 | while (tags->id != CODEC_ID_NONE) {
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| 213 | if (tags->id == id)
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| 214 | return tags->tag;
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| 215 | tags++;
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| 216 | }
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| 217 | return 0;
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| 218 | }
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| 219 |
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| 220 | static unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id)
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| 221 | {
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| 222 | while (tags->id != CODEC_ID_NONE) {
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| 223 | if (!tags->invalid_asf && tags->id == id)
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| 224 | return tags->tag;
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| 225 | tags++;
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| 226 | }
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| 227 | return 0;
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| 228 | }
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| 229 |
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| 230 | enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
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| 231 | {
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| 232 | while (tags->id != CODEC_ID_NONE) {
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| 233 | if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
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| 234 | && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
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| 235 | && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
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| 236 | && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
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| 237 | return tags->id;
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| 238 | tags++;
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| 239 | }
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| 240 | return CODEC_ID_NONE;
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| 241 | }
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| 242 |
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| 243 | unsigned int codec_get_bmp_tag(int id)
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| 244 | {
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| 245 | return codec_get_tag(codec_bmp_tags, id);
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| 246 | }
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| 247 |
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| 248 | unsigned int codec_get_wav_tag(int id)
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| 249 | {
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| 250 | return codec_get_tag(codec_wav_tags, id);
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| 251 | }
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| 252 |
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| 253 | enum CodecID codec_get_bmp_id(unsigned int tag)
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| 254 | {
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| 255 | return codec_get_id(codec_bmp_tags, tag);
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| 256 | }
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| 257 |
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| 258 | enum CodecID codec_get_wav_id(unsigned int tag)
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| 259 | {
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| 260 | return codec_get_id(codec_wav_tags, tag);
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| 261 | }
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| 262 |
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| 263 | #ifdef CONFIG_MUXERS
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| 264 | /* BITMAPINFOHEADER header */
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| 265 | void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
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| 266 | {
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| 267 | put_le32(pb, 40 + enc->extradata_size); /* size */
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| 268 | put_le32(pb, enc->width);
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| 269 | put_le32(pb, enc->height);
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| 270 | put_le16(pb, 1); /* planes */
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| 271 |
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| 272 | put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
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| 273 | /* compression type */
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| 274 | put_le32(pb, for_asf ? (enc->codec_tag ? enc->codec_tag : codec_get_asf_tag(tags, enc->codec_id)) : enc->codec_tag); //
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| 275 | put_le32(pb, enc->width * enc->height * 3);
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| 276 | put_le32(pb, 0);
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| 277 | put_le32(pb, 0);
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| 278 | put_le32(pb, 0);
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| 279 | put_le32(pb, 0);
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| 280 |
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| 281 | put_buffer(pb, enc->extradata, enc->extradata_size);
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| 282 |
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| 283 | if (enc->extradata_size & 1)
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| 284 | put_byte(pb, 0);
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| 285 | }
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| 286 |
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| 287 | void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
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| 288 | {
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| 289 | int gcd;
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| 290 |
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| 291 | *au_ssize= stream->block_align;
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| 292 | if(stream->frame_size && stream->sample_rate){
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| 293 | *au_scale=stream->frame_size;
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| 294 | *au_rate= stream->sample_rate;
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| 295 | }else if(stream->codec_type == CODEC_TYPE_VIDEO){
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| 296 | *au_scale= stream->time_base.num;
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| 297 | *au_rate = stream->time_base.den;
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| 298 | }else{
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| 299 | *au_scale= stream->block_align ? stream->block_align*8 : 8;
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| 300 | *au_rate = stream->bit_rate;
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| 301 | }
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| 302 | gcd= ff_gcd(*au_scale, *au_rate);
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| 303 | *au_scale /= gcd;
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| 304 | *au_rate /= gcd;
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| 305 | }
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| 306 |
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| 307 | static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
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| 308 | const char* riff_tag, const char* list_tag)
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| 309 | {
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| 310 | offset_t loff;
|
|---|
| 311 | int i;
|
|---|
| 312 |
|
|---|
| 313 | avi->riff_id++;
|
|---|
| 314 | for (i=0; i<MAX_STREAMS; i++)
|
|---|
| 315 | avi->indexes[i].entry = 0;
|
|---|
| 316 |
|
|---|
| 317 | avi->riff_start = start_tag(pb, "RIFF");
|
|---|
| 318 | put_tag(pb, riff_tag);
|
|---|
| 319 | loff = start_tag(pb, "LIST");
|
|---|
| 320 | put_tag(pb, list_tag);
|
|---|
| 321 | return loff;
|
|---|
| 322 | }
|
|---|
| 323 |
|
|---|
| 324 | static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
|
|---|
| 325 | enum CodecType type)
|
|---|
| 326 | {
|
|---|
| 327 | tag[0] = '0';
|
|---|
| 328 | tag[1] = '0' + index;
|
|---|
| 329 | if (type == CODEC_TYPE_VIDEO) {
|
|---|
| 330 | tag[2] = 'd';
|
|---|
| 331 | tag[3] = 'c';
|
|---|
| 332 | } else {
|
|---|
| 333 | tag[2] = 'w';
|
|---|
| 334 | tag[3] = 'b';
|
|---|
| 335 | }
|
|---|
| 336 | tag[4] = '\0';
|
|---|
| 337 | return tag;
|
|---|
| 338 | }
|
|---|
| 339 |
|
|---|
| 340 | static int avi_write_header(AVFormatContext *s)
|
|---|
| 341 | {
|
|---|
| 342 | AVIContext *avi = s->priv_data;
|
|---|
| 343 | ByteIOContext *pb = &s->pb;
|
|---|
| 344 | int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
|
|---|
| 345 | AVCodecContext *stream, *video_enc;
|
|---|
| 346 | offset_t list1, list2, strh, strf;
|
|---|
| 347 |
|
|---|
| 348 | /* header list */
|
|---|
| 349 | avi->riff_id = 0;
|
|---|
| 350 | list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
|
|---|
| 351 |
|
|---|
| 352 | /* avi header */
|
|---|
| 353 | put_tag(pb, "avih");
|
|---|
| 354 | put_le32(pb, 14 * 4);
|
|---|
| 355 | bitrate = 0;
|
|---|
| 356 |
|
|---|
| 357 | video_enc = NULL;
|
|---|
| 358 | for(n=0;n<s->nb_streams;n++) {
|
|---|
| 359 | stream = s->streams[n]->codec;
|
|---|
| 360 | bitrate += stream->bit_rate;
|
|---|
| 361 | if (stream->codec_type == CODEC_TYPE_VIDEO)
|
|---|
| 362 | video_enc = stream;
|
|---|
| 363 | }
|
|---|
| 364 |
|
|---|
| 365 | nb_frames = 0;
|
|---|
| 366 |
|
|---|
| 367 | if(video_enc){
|
|---|
| 368 | put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
|
|---|
| 369 | } else {
|
|---|
| 370 | put_le32(pb, 0);
|
|---|
| 371 | }
|
|---|
| 372 | put_le32(pb, bitrate / 8); /* XXX: not quite exact */
|
|---|
| 373 | put_le32(pb, 0); /* padding */
|
|---|
| 374 | if (url_is_streamed(pb))
|
|---|
| 375 | put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
|
|---|
| 376 | else
|
|---|
| 377 | put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
|
|---|
| 378 | avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
|
|---|
| 379 | put_le32(pb, nb_frames); /* nb frames, filled later */
|
|---|
| 380 | put_le32(pb, 0); /* initial frame */
|
|---|
| 381 | put_le32(pb, s->nb_streams); /* nb streams */
|
|---|
| 382 | put_le32(pb, 1024 * 1024); /* suggested buffer size */
|
|---|
| 383 | if(video_enc){
|
|---|
| 384 | put_le32(pb, video_enc->width);
|
|---|
| 385 | put_le32(pb, video_enc->height);
|
|---|
| 386 | } else {
|
|---|
| 387 | put_le32(pb, 0);
|
|---|
| 388 | put_le32(pb, 0);
|
|---|
| 389 | }
|
|---|
| 390 | put_le32(pb, 0); /* reserved */
|
|---|
| 391 | put_le32(pb, 0); /* reserved */
|
|---|
| 392 | put_le32(pb, 0); /* reserved */
|
|---|
| 393 | put_le32(pb, 0); /* reserved */
|
|---|
| 394 |
|
|---|
| 395 | /* stream list */
|
|---|
| 396 | for(i=0;i<n;i++) {
|
|---|
| 397 | list2 = start_tag(pb, "LIST");
|
|---|
| 398 | put_tag(pb, "strl");
|
|---|
| 399 |
|
|---|
| 400 | stream = s->streams[i]->codec;
|
|---|
| 401 |
|
|---|
| 402 | /* FourCC should really be set by the codec itself */
|
|---|
| 403 | if (! stream->codec_tag) {
|
|---|
| 404 | stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
|
|---|
| 405 | }
|
|---|
| 406 |
|
|---|
| 407 | /* stream generic header */
|
|---|
| 408 | strh = start_tag(pb, "strh");
|
|---|
| 409 | switch(stream->codec_type) {
|
|---|
| 410 | case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
|
|---|
| 411 | case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
|
|---|
| 412 | // case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
|
|---|
| 413 | case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
|
|---|
| 414 | }
|
|---|
| 415 | if(stream->codec_type == CODEC_TYPE_VIDEO)
|
|---|
| 416 | put_le32(pb, stream->codec_tag);
|
|---|
| 417 | else
|
|---|
| 418 | put_le32(pb, 1);
|
|---|
| 419 | put_le32(pb, 0); /* flags */
|
|---|
| 420 | put_le16(pb, 0); /* priority */
|
|---|
| 421 | put_le16(pb, 0); /* language */
|
|---|
| 422 | put_le32(pb, 0); /* initial frame */
|
|---|
| 423 |
|
|---|
| 424 | ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
|
|---|
| 425 |
|
|---|
| 426 | put_le32(pb, au_scale); /* scale */
|
|---|
| 427 | put_le32(pb, au_byterate); /* rate */
|
|---|
| 428 | av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
|
|---|
| 429 |
|
|---|
| 430 | put_le32(pb, 0); /* start */
|
|---|
| 431 | avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
|
|---|
| 432 | if (url_is_streamed(pb))
|
|---|
| 433 | put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
|
|---|
| 434 | else
|
|---|
| 435 | put_le32(pb, 0); /* length, XXX: filled later */
|
|---|
| 436 |
|
|---|
| 437 | /* suggested buffer size */ //FIXME set at the end to largest chunk
|
|---|
| 438 | if(stream->codec_type == CODEC_TYPE_VIDEO)
|
|---|
| 439 | put_le32(pb, 1024 * 1024);
|
|---|
| 440 | else if(stream->codec_type == CODEC_TYPE_AUDIO)
|
|---|
| 441 | put_le32(pb, 12 * 1024);
|
|---|
| 442 | else
|
|---|
| 443 | put_le32(pb, 0);
|
|---|
| 444 | put_le32(pb, -1); /* quality */
|
|---|
| 445 | put_le32(pb, au_ssize); /* sample size */
|
|---|
| 446 | put_le32(pb, 0);
|
|---|
| 447 | put_le16(pb, stream->width);
|
|---|
| 448 | put_le16(pb, stream->height);
|
|---|
| 449 | end_tag(pb, strh);
|
|---|
| 450 |
|
|---|
| 451 | if(stream->codec_type != CODEC_TYPE_DATA){
|
|---|
| 452 | strf = start_tag(pb, "strf");
|
|---|
| 453 | switch(stream->codec_type) {
|
|---|
| 454 | case CODEC_TYPE_VIDEO:
|
|---|
| 455 | put_bmp_header(pb, stream, codec_bmp_tags, 0);
|
|---|
| 456 | break;
|
|---|
| 457 | case CODEC_TYPE_AUDIO:
|
|---|
| 458 | if (put_wav_header(pb, stream) < 0) {
|
|---|
| 459 | av_free(avi);
|
|---|
| 460 | return -1;
|
|---|
| 461 | }
|
|---|
| 462 | break;
|
|---|
| 463 | default:
|
|---|
| 464 | return -1;
|
|---|
| 465 | }
|
|---|
| 466 | end_tag(pb, strf);
|
|---|
| 467 | }
|
|---|
| 468 |
|
|---|
| 469 | if (!url_is_streamed(pb)) {
|
|---|
| 470 | unsigned char tag[5];
|
|---|
| 471 | int j;
|
|---|
| 472 |
|
|---|
| 473 | /* Starting to lay out AVI OpenDML master index.
|
|---|
| 474 | * We want to make it JUNK entry for now, since we'd
|
|---|
| 475 | * like to get away without making AVI an OpenDML one
|
|---|
| 476 | * for compatibility reasons.
|
|---|
| 477 | */
|
|---|
| 478 | avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
|
|---|
| 479 | avi->indexes[i].indx_start = start_tag(pb, "JUNK");
|
|---|
| 480 | put_le16(pb, 4); /* wLongsPerEntry */
|
|---|
| 481 | put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
|
|---|
| 482 | put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
|
|---|
| 483 | put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
|
|---|
| 484 | put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
|
|---|
| 485 | /* dwChunkId */
|
|---|
| 486 | put_le64(pb, 0); /* dwReserved[3]
|
|---|
| 487 | put_le32(pb, 0); Must be 0. */
|
|---|
| 488 | for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
|
|---|
| 489 | put_le64(pb, 0);
|
|---|
| 490 | end_tag(pb, avi->indexes[i].indx_start);
|
|---|
| 491 | }
|
|---|
| 492 |
|
|---|
| 493 | end_tag(pb, list2);
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | if (!url_is_streamed(pb)) {
|
|---|
| 497 | /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
|
|---|
| 498 | avi->odml_list = start_tag(pb, "JUNK");
|
|---|
| 499 | put_tag(pb, "odml");
|
|---|
| 500 | put_tag(pb, "dmlh");
|
|---|
| 501 | put_le32(pb, 248);
|
|---|
| 502 | for (i = 0; i < 248; i+= 4)
|
|---|
| 503 | put_le32(pb, 0);
|
|---|
| 504 | end_tag(pb, avi->odml_list);
|
|---|
| 505 | }
|
|---|
| 506 |
|
|---|
| 507 | end_tag(pb, list1);
|
|---|
| 508 |
|
|---|
| 509 | avi->movi_list = start_tag(pb, "LIST");
|
|---|
| 510 | put_tag(pb, "movi");
|
|---|
| 511 |
|
|---|
| 512 | put_flush_packet(pb);
|
|---|
| 513 |
|
|---|
| 514 | return 0;
|
|---|
| 515 | }
|
|---|
| 516 |
|
|---|
| 517 | static int avi_write_ix(AVFormatContext *s)
|
|---|
| 518 | {
|
|---|
| 519 | ByteIOContext *pb = &s->pb;
|
|---|
| 520 | AVIContext *avi = s->priv_data;
|
|---|
| 521 | unsigned char tag[5];
|
|---|
| 522 | unsigned char ix_tag[] = "ix00";
|
|---|
| 523 | int i, j;
|
|---|
| 524 |
|
|---|
| 525 | assert(!url_is_streamed(pb));
|
|---|
| 526 |
|
|---|
| 527 | if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
|
|---|
| 528 | return -1;
|
|---|
| 529 |
|
|---|
| 530 | for (i=0;i<s->nb_streams;i++) {
|
|---|
| 531 | offset_t ix, pos;
|
|---|
| 532 |
|
|---|
| 533 | avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
|
|---|
| 534 | ix_tag[3] = '0' + i;
|
|---|
| 535 |
|
|---|
| 536 | /* Writing AVI OpenDML leaf index chunk */
|
|---|
| 537 | ix = url_ftell(pb);
|
|---|
| 538 | put_tag(pb, &ix_tag[0]); /* ix?? */
|
|---|
| 539 | put_le32(pb, avi->indexes[i].entry * 8 + 24);
|
|---|
| 540 | /* chunk size */
|
|---|
| 541 | put_le16(pb, 2); /* wLongsPerEntry */
|
|---|
| 542 | put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
|
|---|
| 543 | put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
|
|---|
| 544 | put_le32(pb, avi->indexes[i].entry);
|
|---|
| 545 | /* nEntriesInUse */
|
|---|
| 546 | put_tag(pb, &tag[0]); /* dwChunkId */
|
|---|
| 547 | put_le64(pb, avi->movi_list);/* qwBaseOffset */
|
|---|
| 548 | put_le32(pb, 0); /* dwReserved_3 (must be 0) */
|
|---|
| 549 |
|
|---|
| 550 | for (j=0; j<avi->indexes[i].entry; j++) {
|
|---|
| 551 | AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
|
|---|
| 552 | put_le32(pb, ie->pos + 8);
|
|---|
| 553 | put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
|
|---|
| 554 | (ie->flags & 0x10 ? 0 : 0x80000000));
|
|---|
| 555 | }
|
|---|
| 556 | put_flush_packet(pb);
|
|---|
| 557 | pos = url_ftell(pb);
|
|---|
| 558 |
|
|---|
| 559 | /* Updating one entry in the AVI OpenDML master index */
|
|---|
| 560 | url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
|
|---|
| 561 | put_tag(pb, "indx"); /* enabling this entry */
|
|---|
| 562 | url_fskip(pb, 8);
|
|---|
| 563 | put_le32(pb, avi->riff_id); /* nEntriesInUse */
|
|---|
| 564 | url_fskip(pb, 16*avi->riff_id);
|
|---|
| 565 | put_le64(pb, ix); /* qwOffset */
|
|---|
| 566 | put_le32(pb, pos - ix); /* dwSize */
|
|---|
| 567 | put_le32(pb, avi->indexes[i].entry); /* dwDuration */
|
|---|
| 568 |
|
|---|
| 569 | url_fseek(pb, pos, SEEK_SET);
|
|---|
| 570 | }
|
|---|
| 571 | return 0;
|
|---|
| 572 | }
|
|---|
| 573 |
|
|---|
| 574 | static int avi_write_idx1(AVFormatContext *s)
|
|---|
| 575 | {
|
|---|
| 576 | ByteIOContext *pb = &s->pb;
|
|---|
| 577 | AVIContext *avi = s->priv_data;
|
|---|
| 578 | offset_t file_size, idx_chunk;
|
|---|
| 579 | int i, n, nb_frames, au_byterate, au_ssize, au_scale;
|
|---|
| 580 | AVCodecContext *stream;
|
|---|
| 581 | unsigned char tag[5];
|
|---|
| 582 |
|
|---|
| 583 | if (!url_is_streamed(pb)) {
|
|---|
| 584 | AVIIentry* ie = 0, *tie;
|
|---|
| 585 | int entry[MAX_STREAMS];
|
|---|
| 586 | int empty, stream_id = -1;
|
|---|
| 587 |
|
|---|
| 588 | idx_chunk = start_tag(pb, "idx1");
|
|---|
| 589 | memset(&entry[0], 0, sizeof(entry));
|
|---|
| 590 | do {
|
|---|
| 591 | empty = 1;
|
|---|
| 592 | for (i=0; i<s->nb_streams; i++) {
|
|---|
| 593 | if (avi->indexes[i].entry <= entry[i])
|
|---|
| 594 | continue;
|
|---|
| 595 |
|
|---|
| 596 | tie = avi_get_ientry(&avi->indexes[i], entry[i]);
|
|---|
| 597 | if (empty || tie->pos < ie->pos) {
|
|---|
| 598 | ie = tie;
|
|---|
| 599 | stream_id = i;
|
|---|
| 600 | }
|
|---|
| 601 | empty = 0;
|
|---|
| 602 | }
|
|---|
| 603 | if (!empty) {
|
|---|
| 604 | avi_stream2fourcc(&tag[0], stream_id,
|
|---|
| 605 | s->streams[stream_id]->codec->codec_type);
|
|---|
| 606 | put_tag(pb, &tag[0]);
|
|---|
| 607 | put_le32(pb, ie->flags);
|
|---|
| 608 | put_le32(pb, ie->pos);
|
|---|
| 609 | put_le32(pb, ie->len);
|
|---|
| 610 | entry[stream_id]++;
|
|---|
| 611 | }
|
|---|
| 612 | } while (!empty);
|
|---|
| 613 | end_tag(pb, idx_chunk);
|
|---|
| 614 |
|
|---|
| 615 | /* Fill in frame/sample counters */
|
|---|
| 616 | file_size = url_ftell(pb);
|
|---|
| 617 | nb_frames = 0;
|
|---|
| 618 | for(n=0;n<s->nb_streams;n++) {
|
|---|
| 619 | assert(avi->frames_hdr_strm[n]);
|
|---|
| 620 | stream = s->streams[n]->codec;
|
|---|
| 621 | url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
|
|---|
| 622 | ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
|
|---|
| 623 | if (au_ssize == 0) {
|
|---|
| 624 | put_le32(pb, avi->packet_count[n]);
|
|---|
| 625 | } else {
|
|---|
| 626 | put_le32(pb, avi->audio_strm_length[n] / au_ssize);
|
|---|
| 627 | }
|
|---|
| 628 | if(stream->codec_type == CODEC_TYPE_VIDEO)
|
|---|
| 629 | nb_frames = FFMAX(nb_frames, avi->packet_count[n]);
|
|---|
| 630 | }
|
|---|
| 631 | assert(avi->frames_hdr_all);
|
|---|
| 632 | url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
|
|---|
| 633 | put_le32(pb, nb_frames);
|
|---|
| 634 | url_fseek(pb, file_size, SEEK_SET);
|
|---|
| 635 | }
|
|---|
| 636 | return 0;
|
|---|
| 637 | }
|
|---|
| 638 |
|
|---|
| 639 | static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
|
|---|
| 640 | {
|
|---|
| 641 | AVIContext *avi = s->priv_data;
|
|---|
| 642 | ByteIOContext *pb = &s->pb;
|
|---|
| 643 | unsigned char tag[5];
|
|---|
| 644 | unsigned int flags=0;
|
|---|
| 645 | const int stream_index= pkt->stream_index;
|
|---|
| 646 | AVCodecContext *enc= s->streams[stream_index]->codec;
|
|---|
| 647 | int size= pkt->size;
|
|---|
| 648 |
|
|---|
| 649 | // av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
|
|---|
| 650 | while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
|
|---|
| 651 | AVPacket empty_packet;
|
|---|
| 652 |
|
|---|
| 653 | av_init_packet(&empty_packet);
|
|---|
| 654 | empty_packet.size= 0;
|
|---|
| 655 | empty_packet.data= NULL;
|
|---|
| 656 | empty_packet.stream_index= stream_index;
|
|---|
| 657 | avi_write_packet(s, &empty_packet);
|
|---|
| 658 | // av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
|
|---|
| 659 | }
|
|---|
| 660 | avi->packet_count[stream_index]++;
|
|---|
| 661 |
|
|---|
| 662 | // Make sure to put an OpenDML chunk when the file size exceeds the limits
|
|---|
| 663 | if (!url_is_streamed(pb) &&
|
|---|
| 664 | (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
|
|---|
| 665 |
|
|---|
| 666 | avi_write_ix(s);
|
|---|
| 667 | end_tag(pb, avi->movi_list);
|
|---|
| 668 |
|
|---|
| 669 | if (avi->riff_id == 1)
|
|---|
| 670 | avi_write_idx1(s);
|
|---|
| 671 |
|
|---|
| 672 | end_tag(pb, avi->riff_start);
|
|---|
| 673 | avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
|
|---|
| 674 | }
|
|---|
| 675 |
|
|---|
| 676 | avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
|
|---|
| 677 | if(pkt->flags&PKT_FLAG_KEY)
|
|---|
| 678 | flags = 0x10;
|
|---|
| 679 | if (enc->codec_type == CODEC_TYPE_AUDIO) {
|
|---|
| 680 | avi->audio_strm_length[stream_index] += size;
|
|---|
| 681 | }
|
|---|
| 682 |
|
|---|
| 683 | if (!url_is_streamed(&s->pb)) {
|
|---|
| 684 | AVIIndex* idx = &avi->indexes[stream_index];
|
|---|
| 685 | int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
|
|---|
| 686 | int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
|
|---|
| 687 | if (idx->ents_allocated <= idx->entry) {
|
|---|
| 688 | idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
|
|---|
| 689 | if (!idx->cluster)
|
|---|
| 690 | return -1;
|
|---|
| 691 | idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
|
|---|
| 692 | if (!idx->cluster[cl])
|
|---|
| 693 | return -1;
|
|---|
| 694 | idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 | idx->cluster[cl][id].flags = flags;
|
|---|
| 698 | idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
|
|---|
| 699 | idx->cluster[cl][id].len = size;
|
|---|
| 700 | idx->entry++;
|
|---|
| 701 | }
|
|---|
| 702 |
|
|---|
| 703 | put_buffer(pb, tag, 4);
|
|---|
| 704 | put_le32(pb, size);
|
|---|
| 705 | put_buffer(pb, pkt->data, size);
|
|---|
| 706 | if (size & 1)
|
|---|
| 707 | put_byte(pb, 0);
|
|---|
| 708 |
|
|---|
| 709 | put_flush_packet(pb);
|
|---|
| 710 | return 0;
|
|---|
| 711 | }
|
|---|
| 712 |
|
|---|
| 713 | static int avi_write_trailer(AVFormatContext *s)
|
|---|
| 714 | {
|
|---|
| 715 | AVIContext *avi = s->priv_data;
|
|---|
| 716 | ByteIOContext *pb = &s->pb;
|
|---|
| 717 | int res = 0;
|
|---|
| 718 | int i, j, n, nb_frames;
|
|---|
| 719 | offset_t file_size;
|
|---|
| 720 |
|
|---|
| 721 | if (!url_is_streamed(pb))
|
|---|
| 722 | {
|
|---|
| 723 | if (avi->riff_id == 1) {
|
|---|
| 724 | end_tag(pb, avi->movi_list);
|
|---|
| 725 | res = avi_write_idx1(s);
|
|---|
| 726 | end_tag(pb, avi->riff_start);
|
|---|
| 727 | } else {
|
|---|
| 728 | avi_write_ix(s);
|
|---|
| 729 | end_tag(pb, avi->movi_list);
|
|---|
| 730 | end_tag(pb, avi->riff_start);
|
|---|
| 731 |
|
|---|
| 732 | file_size = url_ftell(pb);
|
|---|
| 733 | url_fseek(pb, avi->odml_list - 8, SEEK_SET);
|
|---|
| 734 | put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
|
|---|
| 735 | url_fskip(pb, 16);
|
|---|
| 736 |
|
|---|
| 737 | for (n=nb_frames=0;n<s->nb_streams;n++) {
|
|---|
| 738 | AVCodecContext *stream = s->streams[n]->codec;
|
|---|
| 739 | if (stream->codec_type == CODEC_TYPE_VIDEO) {
|
|---|
| 740 | if (nb_frames < avi->packet_count[n])
|
|---|
| 741 | nb_frames = avi->packet_count[n];
|
|---|
| 742 | } else {
|
|---|
| 743 | if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
|
|---|
| 744 | nb_frames += avi->packet_count[n];
|
|---|
| 745 | }
|
|---|
| 746 | }
|
|---|
| 747 | }
|
|---|
| 748 | put_le32(pb, nb_frames);
|
|---|
| 749 | url_fseek(pb, file_size, SEEK_SET);
|
|---|
| 750 | }
|
|---|
| 751 | }
|
|---|
| 752 | put_flush_packet(pb);
|
|---|
| 753 |
|
|---|
| 754 | for (i=0; i<MAX_STREAMS; i++) {
|
|---|
| 755 | for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
|
|---|
| 756 | av_free(avi->indexes[i].cluster[j]);
|
|---|
| 757 | av_free(avi->indexes[i].cluster);
|
|---|
| 758 | avi->indexes[i].cluster = NULL;
|
|---|
| 759 | avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
|
|---|
| 760 | }
|
|---|
| 761 |
|
|---|
| 762 | return res;
|
|---|
| 763 | }
|
|---|
| 764 |
|
|---|
| 765 | static AVOutputFormat avi_muxer = {
|
|---|
| 766 | "avi",
|
|---|
| 767 | "avi format",
|
|---|
| 768 | "video/x-msvideo",
|
|---|
| 769 | "avi",
|
|---|
| 770 | sizeof(AVIContext),
|
|---|
| 771 | CODEC_ID_MP2,
|
|---|
| 772 | CODEC_ID_MPEG4,
|
|---|
| 773 | avi_write_header,
|
|---|
| 774 | avi_write_packet,
|
|---|
| 775 | avi_write_trailer,
|
|---|
| 776 | };
|
|---|
| 777 |
|
|---|
| 778 | int avienc_init(void)
|
|---|
| 779 | {
|
|---|
| 780 | av_register_output_format(&avi_muxer);
|
|---|
| 781 | return 0;
|
|---|
| 782 | }
|
|---|
| 783 | #endif //CONFIG_MUXERS
|
|---|
