| /* $Id$ */ |
| /* |
| * Copyright (C) 2010-2011 Teluu Inc. (http://www.teluu.com) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjmedia/types.h> |
| #include <pj/errno.h> |
| #include <pj/log.h> |
| #include <pj/string.h> |
| |
| #if PJMEDIA_HAS_LIBAVFORMAT && PJMEDIA_HAS_LIBAVUTIL |
| |
| #include "ffmpeg_util.h" |
| #include <libavformat/avformat.h> |
| |
| #define MAKE_VER(mj,mn,mi) ((mj << 16) | (mn << 8) | (mi << 0)) |
| #define VER_AT_LEAST(mj,mn,mi) (MAKE_VER(LIBAVUTIL_VERSION_MAJOR, \ |
| LIBAVUTIL_VERSION_MINOR, \ |
| LIBAVUTIL_VERSION_MICRO) >= \ |
| MAKE_VER(mj,mn,mi)) |
| |
| |
| |
| /* Conversion table between pjmedia_format_id and PixelFormat */ |
| static const struct ffmpeg_fmt_table_t |
| { |
| pjmedia_format_id id; |
| enum PixelFormat pf; |
| } ffmpeg_fmt_table[] = |
| { |
| { PJMEDIA_FORMAT_RGBA, PIX_FMT_RGBA}, |
| { PJMEDIA_FORMAT_RGB24,PIX_FMT_BGR24}, |
| { PJMEDIA_FORMAT_BGRA, PIX_FMT_BGRA}, |
| #if VER_AT_LEAST(51,20,1) |
| { PJMEDIA_FORMAT_GBRP, PIX_FMT_GBR24P}, |
| #endif |
| |
| { PJMEDIA_FORMAT_AYUV, PIX_FMT_NONE}, |
| { PJMEDIA_FORMAT_YUY2, PIX_FMT_YUYV422}, |
| { PJMEDIA_FORMAT_UYVY, PIX_FMT_UYVY422}, |
| { PJMEDIA_FORMAT_I420, PIX_FMT_YUV420P}, |
| //{ PJMEDIA_FORMAT_YV12, PIX_FMT_YUV420P}, |
| { PJMEDIA_FORMAT_I422, PIX_FMT_YUV422P}, |
| { PJMEDIA_FORMAT_I420JPEG, PIX_FMT_YUVJ420P}, |
| { PJMEDIA_FORMAT_I422JPEG, PIX_FMT_YUVJ422P}, |
| }; |
| |
| /* Conversion table between pjmedia_format_id and CodecID */ |
| static const struct ffmpeg_codec_table_t |
| { |
| pjmedia_format_id id; |
| enum CodecID codec_id; |
| } ffmpeg_codec_table[] = |
| { |
| {PJMEDIA_FORMAT_H261, CODEC_ID_H261}, |
| {PJMEDIA_FORMAT_H263, CODEC_ID_H263}, |
| {PJMEDIA_FORMAT_H263P, CODEC_ID_H263P}, |
| {PJMEDIA_FORMAT_H264, CODEC_ID_H264}, |
| {PJMEDIA_FORMAT_MPEG1VIDEO, CODEC_ID_MPEG1VIDEO}, |
| {PJMEDIA_FORMAT_MPEG2VIDEO, CODEC_ID_MPEG2VIDEO}, |
| {PJMEDIA_FORMAT_MPEG4, CODEC_ID_MPEG4}, |
| {PJMEDIA_FORMAT_MJPEG, CODEC_ID_MJPEG} |
| }; |
| |
| static int pjmedia_ffmpeg_ref_cnt; |
| |
| static void ffmpeg_log_cb(void* ptr, int level, const char* fmt, va_list vl); |
| |
| void pjmedia_ffmpeg_add_ref() |
| { |
| if (pjmedia_ffmpeg_ref_cnt++ == 0) { |
| av_log_set_level(AV_LOG_ERROR); |
| av_log_set_callback(&ffmpeg_log_cb); |
| av_register_all(); |
| } |
| } |
| |
| void pjmedia_ffmpeg_dec_ref() |
| { |
| if (pjmedia_ffmpeg_ref_cnt-- == 1) { |
| /* How to shutdown ffmpeg? */ |
| } |
| |
| if (pjmedia_ffmpeg_ref_cnt < 0) pjmedia_ffmpeg_ref_cnt = 0; |
| } |
| |
| |
| static void ffmpeg_log_cb(void* ptr, int level, const char* fmt, va_list vl) |
| { |
| const char *LOG_SENDER = "ffmpeg"; |
| enum { LOG_LEVEL = 5 }; |
| char buf[100]; |
| pj_size_t bufsize = sizeof(buf), len; |
| pj_str_t fmt_st; |
| |
| /* Custom callback needs to filter log level by itself */ |
| if (level > av_log_get_level()) |
| return; |
| |
| /* Add original ffmpeg sender to log format */ |
| if (ptr) { |
| AVClass* avc = *(AVClass**)ptr; |
| len = pj_ansi_snprintf(buf, bufsize, "%s: ", avc->item_name(ptr)); |
| if (len < 1 || len >= bufsize) |
| len = bufsize - 1; |
| bufsize -= len; |
| } |
| |
| /* Copy original log format */ |
| len = pj_ansi_strlen(fmt); |
| if (len > bufsize-1) |
| len = bufsize-1; |
| pj_memcpy(buf+sizeof(buf)-bufsize, fmt, len); |
| bufsize -= len; |
| |
| /* Trim log format */ |
| pj_strset(&fmt_st, buf, sizeof(buf)-bufsize); |
| pj_strrtrim(&fmt_st); |
| buf[fmt_st.slen] = '\0'; |
| |
| pj_log(LOG_SENDER, LOG_LEVEL, buf, vl); |
| } |
| |
| |
| pj_status_t pjmedia_format_id_to_PixelFormat(pjmedia_format_id fmt_id, |
| enum PixelFormat *pixel_format) |
| { |
| unsigned i; |
| for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_fmt_table); ++i) { |
| const struct ffmpeg_fmt_table_t *t = &ffmpeg_fmt_table[i]; |
| if (t->id==fmt_id && t->pf != PIX_FMT_NONE) { |
| *pixel_format = t->pf; |
| return PJ_SUCCESS; |
| } |
| } |
| |
| *pixel_format = PIX_FMT_NONE; |
| return PJ_ENOTFOUND; |
| } |
| |
| pj_status_t PixelFormat_to_pjmedia_format_id(enum PixelFormat pf, |
| pjmedia_format_id *fmt_id) |
| { |
| unsigned i; |
| for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_fmt_table); ++i) { |
| const struct ffmpeg_fmt_table_t *t = &ffmpeg_fmt_table[i]; |
| if (t->pf == pf) { |
| if (fmt_id) *fmt_id = t->id; |
| return PJ_SUCCESS; |
| } |
| } |
| |
| return PJ_ENOTFOUND; |
| } |
| |
| pj_status_t pjmedia_format_id_to_CodecID(pjmedia_format_id fmt_id, |
| enum CodecID *codec_id) |
| { |
| unsigned i; |
| for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_codec_table); ++i) { |
| const struct ffmpeg_codec_table_t *t = &ffmpeg_codec_table[i]; |
| if (t->id==fmt_id && t->codec_id != PIX_FMT_NONE) { |
| *codec_id = t->codec_id; |
| return PJ_SUCCESS; |
| } |
| } |
| |
| *codec_id = PIX_FMT_NONE; |
| return PJ_ENOTFOUND; |
| } |
| |
| pj_status_t CodecID_to_pjmedia_format_id(enum CodecID codec_id, |
| pjmedia_format_id *fmt_id) |
| { |
| unsigned i; |
| for (i=0; i<PJ_ARRAY_SIZE(ffmpeg_codec_table); ++i) { |
| const struct ffmpeg_codec_table_t *t = &ffmpeg_codec_table[i]; |
| if (t->codec_id == codec_id) { |
| if (fmt_id) *fmt_id = t->id; |
| return PJ_SUCCESS; |
| } |
| } |
| |
| return PJ_ENOTFOUND; |
| } |
| |
| |
| #ifdef _MSC_VER |
| # pragma comment( lib, "avformat.lib") |
| # pragma comment( lib, "avutil.lib") |
| #endif |
| |
| #endif /* #if PJMEDIA_HAS_LIBAVFORMAT && PJMEDIA_HAS_LIBAVUTIL */ |