| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * VC-1 test bitstreams format muxer. | ||
| 3 | * Copyright (c) 2008 Konstantin Shishkov | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | #include "avformat.h" | ||
| 22 | #include "internal.h" | ||
| 23 | #include "mux.h" | ||
| 24 | |||
| 25 | typedef struct RCVContext { | ||
| 26 | int frames; | ||
| 27 | } RCVContext; | ||
| 28 | |||
| 29 | ✗ | static int vc1test_write_header(AVFormatContext *s) | |
| 30 | { | ||
| 31 | ✗ | AVCodecParameters *par = s->streams[0]->codecpar; | |
| 32 | ✗ | AVIOContext *pb = s->pb; | |
| 33 | |||
| 34 | ✗ | avio_wl24(pb, 0); //frames count will be here | |
| 35 | ✗ | avio_w8(pb, 0xC5); | |
| 36 | ✗ | avio_wl32(pb, 4); | |
| 37 | ✗ | avio_write(pb, par->extradata, 4); | |
| 38 | ✗ | avio_wl32(pb, par->height); | |
| 39 | ✗ | avio_wl32(pb, par->width); | |
| 40 | ✗ | avio_wl32(pb, 0xC); | |
| 41 | ✗ | avio_wl24(pb, 0); // hrd_buffer | |
| 42 | ✗ | avio_w8(pb, 0x80); // level|cbr|res1 | |
| 43 | ✗ | avio_wl32(pb, 0); // hrd_rate | |
| 44 | ✗ | if (s->streams[0]->avg_frame_rate.den && s->streams[0]->avg_frame_rate.num == 1) | |
| 45 | ✗ | avio_wl32(pb, s->streams[0]->avg_frame_rate.den); | |
| 46 | else | ||
| 47 | ✗ | avio_wl32(pb, 0xFFFFFFFF); //variable framerate | |
| 48 | ✗ | avpriv_set_pts_info(s->streams[0], 32, 1, 1000); | |
| 49 | |||
| 50 | ✗ | return 0; | |
| 51 | } | ||
| 52 | |||
| 53 | ✗ | static int vc1test_write_packet(AVFormatContext *s, AVPacket *pkt) | |
| 54 | { | ||
| 55 | ✗ | RCVContext *ctx = s->priv_data; | |
| 56 | ✗ | AVIOContext *pb = s->pb; | |
| 57 | |||
| 58 | ✗ | if (!pkt->size) | |
| 59 | ✗ | return 0; | |
| 60 | ✗ | avio_wl32(pb, pkt->size | ((pkt->flags & AV_PKT_FLAG_KEY) ? 0x80000000 : 0)); | |
| 61 | ✗ | avio_wl32(pb, pkt->pts); | |
| 62 | ✗ | avio_write(pb, pkt->data, pkt->size); | |
| 63 | ✗ | ctx->frames++; | |
| 64 | |||
| 65 | ✗ | return 0; | |
| 66 | } | ||
| 67 | |||
| 68 | ✗ | static int vc1test_write_trailer(AVFormatContext *s) | |
| 69 | { | ||
| 70 | ✗ | RCVContext *ctx = s->priv_data; | |
| 71 | ✗ | AVIOContext *pb = s->pb; | |
| 72 | |||
| 73 | ✗ | if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) { | |
| 74 | ✗ | avio_seek(pb, 0, SEEK_SET); | |
| 75 | ✗ | avio_wl24(pb, ctx->frames); | |
| 76 | } | ||
| 77 | ✗ | return 0; | |
| 78 | } | ||
| 79 | |||
| 80 | const FFOutputFormat ff_vc1t_muxer = { | ||
| 81 | .p.name = "vc1test", | ||
| 82 | .p.long_name = NULL_IF_CONFIG_SMALL("VC-1 test bitstream"), | ||
| 83 | .p.extensions = "rcv", | ||
| 84 | .priv_data_size = sizeof(RCVContext), | ||
| 85 | .p.audio_codec = AV_CODEC_ID_NONE, | ||
| 86 | .p.video_codec = AV_CODEC_ID_WMV3, | ||
| 87 | .p.subtitle_codec = AV_CODEC_ID_NONE, | ||
| 88 | .write_header = vc1test_write_header, | ||
| 89 | .write_packet = vc1test_write_packet, | ||
| 90 | .write_trailer = vc1test_write_trailer, | ||
| 91 | .flags_internal = FF_OFMT_FLAG_MAX_ONE_OF_EACH | | ||
| 92 | FF_OFMT_FLAG_ONLY_DEFAULT_CODECS, | ||
| 93 | }; | ||
| 94 |