Alexandre Lision | 8af73cb | 2013-12-10 14:11:20 -0500 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2010-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pjmedia/types.h> |
| 20 | #include <pj/errno.h> |
| 21 | #include <pj/log.h> |
| 22 | #include <pj/string.h> |
| 23 | |
| 24 | #if PJMEDIA_HAS_LIBAVFORMAT && PJMEDIA_HAS_LIBAVUTIL |
| 25 | |
| 26 | #include "ffmpeg_util.h" |
| 27 | #include <libavformat/avformat.h> |
| 28 | |
| 29 | #define MAKE_VER(mj,mn,mi) ((mj << 16) | (mn << 8) | (mi << 0)) |
| 30 | #define VER_AT_LEAST(mj,mn,mi) (MAKE_VER(LIBAVUTIL_VERSION_MAJOR, \ |
| 31 | LIBAVUTIL_VERSION_MINOR, \ |
| 32 | LIBAVUTIL_VERSION_MICRO) >= \ |
| 33 | MAKE_VER(mj,mn,mi)) |
| 34 | |
| 35 | |
| 36 | |
| 37 | /* Conversion table between pjmedia_format_id and PixelFormat */ |
| 38 | static const struct ffmpeg_fmt_table_t |
| 39 | { |
| 40 | pjmedia_format_id id; |
| 41 | enum PixelFormat pf; |
| 42 | } ffmpeg_fmt_table[] = |
| 43 | { |
| 44 | { PJMEDIA_FORMAT_RGBA, PIX_FMT_RGBA}, |
| 45 | { PJMEDIA_FORMAT_RGB24,PIX_FMT_BGR24}, |
| 46 | { PJMEDIA_FORMAT_BGRA, PIX_FMT_BGRA}, |
| 47 | #if VER_AT_LEAST(51,20,1) |
| 48 | { PJMEDIA_FORMAT_GBRP, PIX_FMT_GBR24P}, |
| 49 | #endif |
| 50 | |
| 51 | { PJMEDIA_FORMAT_AYUV, PIX_FMT_NONE}, |
| 52 | { PJMEDIA_FORMAT_YUY2, PIX_FMT_YUYV422}, |
| 53 | { PJMEDIA_FORMAT_UYVY, PIX_FMT_UYVY422}, |
| 54 | { PJMEDIA_FORMAT_I420, PIX_FMT_YUV420P}, |
| 55 | //{ PJMEDIA_FORMAT_YV12, PIX_FMT_YUV420P}, |
| 56 | { PJMEDIA_FORMAT_I422, PIX_FMT_YUV422P}, |
| 57 | { PJMEDIA_FORMAT_I420JPEG, PIX_FMT_YUVJ420P}, |
| 58 | { PJMEDIA_FORMAT_I422JPEG, PIX_FMT_YUVJ422P}, |
| 59 | }; |
| 60 | |
| 61 | /* Conversion table between pjmedia_format_id and CodecID */ |
| 62 | static const struct ffmpeg_codec_table_t |
| 63 | { |
| 64 | pjmedia_format_id id; |
| 65 | enum CodecID codec_id; |
| 66 | } ffmpeg_codec_table[] = |
| 67 | { |
| 68 | {PJMEDIA_FORMAT_H261, CODEC_ID_H261}, |
| 69 | {PJMEDIA_FORMAT_H263, CODEC_ID_H263}, |
| 70 | {PJMEDIA_FORMAT_H263P, CODEC_ID_H263P}, |
| 71 | {PJMEDIA_FORMAT_H264, CODEC_ID_H264}, |
| 72 | {PJMEDIA_FORMAT_MPEG1VIDEO, CODEC_ID_MPEG1VIDEO}, |
| 73 | {PJMEDIA_FORMAT_MPEG2VIDEO, CODEC_ID_MPEG2VIDEO}, |
| 74 | {PJMEDIA_FORMAT_MPEG4, CODEC_ID_MPEG4}, |
| 75 | {PJMEDIA_FORMAT_MJPEG, CODEC_ID_MJPEG} |
| 76 | }; |
| 77 | |
| 78 | static int pjmedia_ffmpeg_ref_cnt; |
| 79 | |
| 80 | static void ffmpeg_log_cb(void* ptr, int level, const char* fmt, va_list vl); |
| 81 | |
| 82 | void pjmedia_ffmpeg_add_ref() |
| 83 | { |
| 84 | if (pjmedia_ffmpeg_ref_cnt++ == 0) { |
| 85 | av_log_set_level(AV_LOG_ERROR); |
| 86 | av_log_set_callback(&ffmpeg_log_cb); |
| 87 | av_register_all(); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | void pjmedia_ffmpeg_dec_ref() |
| 92 | { |
| 93 | if (pjmedia_ffmpeg_ref_cnt-- == 1) { |
| 94 | /* How to shutdown ffmpeg? */ |
| 95 | } |
| 96 | |
| 97 | if (pjmedia_ffmpeg_ref_cnt < 0) pjmedia_ffmpeg_ref_cnt = 0; |
| 98 | } |
| 99 | |
| 100 | |
| 101 | static void ffmpeg_log_cb(void* ptr, int level, const char* fmt, va_list vl) |
| 102 | { |
| 103 | const char *LOG_SENDER = "ffmpeg"; |
| 104 | enum { LOG_LEVEL = 5 }; |
| 105 | char buf[100]; |
| 106 | pj_size_t bufsize = sizeof(buf), len; |
| 107 | pj_str_t fmt_st; |
| 108 | |
| 109 | /* Custom callback needs to filter log level by itself */ |
| 110 | if (level > av_log_get_level()) |
| 111 | return; |
| 112 | |
| 113 | /* Add original ffmpeg sender to log format */ |
| 114 | if (ptr) { |
| 115 | AVClass* avc = *(AVClass**)ptr; |
| 116 | len = pj_ansi_snprintf(buf, bufsize, "%s: ", avc->item_name(ptr)); |
| 117 | if (len < 1 || len >= bufsize) |
| 118 | len = bufsize - 1; |
| 119 | bufsize -= len; |
| 120 | } |
| 121 | |
| 122 | /* Copy original log format */ |
| 123 | len = pj_ansi_strlen(fmt); |
| 124 | if (len > bufsize-1) |
| 125 | len = bufsize-1; |
| 126 | pj_memcpy(buf+sizeof(buf)-bufsize, fmt, len); |
| 127 | bufsize -= len; |
| 128 | |
| 129 | /* Trim log format */ |
| 130 | pj_strset(&fmt_st, buf, sizeof(buf)-bufsize); |
| 131 | pj_strrtrim(&fmt_st); |
| 132 | buf[fmt_st.slen] = '\0'; |
| 133 | |
| 134 | pj_log(LOG_SENDER, LOG_LEVEL, buf, vl); |
| 135 | } |
| 136 | |
| 137 | |
| 138 | pj_status_t pjmedia_format_id_to_PixelFormat(pjmedia_format_id fmt_id, |
| 139 | enum PixelFormat *pixel_format) |
| 140 | { |
| 141 | unsigned i; |
| 142 | for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_fmt_table); ++i) { |
| 143 | const struct ffmpeg_fmt_table_t *t = &ffmpeg_fmt_table[i]; |
| 144 | if (t->id==fmt_id && t->pf != PIX_FMT_NONE) { |
| 145 | *pixel_format = t->pf; |
| 146 | return PJ_SUCCESS; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | *pixel_format = PIX_FMT_NONE; |
| 151 | return PJ_ENOTFOUND; |
| 152 | } |
| 153 | |
| 154 | pj_status_t PixelFormat_to_pjmedia_format_id(enum PixelFormat pf, |
| 155 | pjmedia_format_id *fmt_id) |
| 156 | { |
| 157 | unsigned i; |
| 158 | for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_fmt_table); ++i) { |
| 159 | const struct ffmpeg_fmt_table_t *t = &ffmpeg_fmt_table[i]; |
| 160 | if (t->pf == pf) { |
| 161 | if (fmt_id) *fmt_id = t->id; |
| 162 | return PJ_SUCCESS; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | return PJ_ENOTFOUND; |
| 167 | } |
| 168 | |
| 169 | pj_status_t pjmedia_format_id_to_CodecID(pjmedia_format_id fmt_id, |
| 170 | enum CodecID *codec_id) |
| 171 | { |
| 172 | unsigned i; |
| 173 | for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_codec_table); ++i) { |
| 174 | const struct ffmpeg_codec_table_t *t = &ffmpeg_codec_table[i]; |
| 175 | if (t->id==fmt_id && t->codec_id != PIX_FMT_NONE) { |
| 176 | *codec_id = t->codec_id; |
| 177 | return PJ_SUCCESS; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | *codec_id = PIX_FMT_NONE; |
| 182 | return PJ_ENOTFOUND; |
| 183 | } |
| 184 | |
| 185 | pj_status_t CodecID_to_pjmedia_format_id(enum CodecID codec_id, |
| 186 | pjmedia_format_id *fmt_id) |
| 187 | { |
| 188 | unsigned i; |
| 189 | for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_codec_table); ++i) { |
| 190 | const struct ffmpeg_codec_table_t *t = &ffmpeg_codec_table[i]; |
| 191 | if (t->codec_id == codec_id) { |
| 192 | if (fmt_id) *fmt_id = t->id; |
| 193 | return PJ_SUCCESS; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | return PJ_ENOTFOUND; |
| 198 | } |
| 199 | |
| 200 | |
| 201 | #ifdef _MSC_VER |
| 202 | # pragma comment( lib, "avformat.lib") |
| 203 | # pragma comment( lib, "avutil.lib") |
| 204 | #endif |
| 205 | |
| 206 | #endif /* #if PJMEDIA_HAS_LIBAVFORMAT && PJMEDIA_HAS_LIBAVUTIL */ |