| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * 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/format.h> |
| #include <pj/assert.h> |
| #include <pj/errno.h> |
| #include <pj/pool.h> |
| #include <pj/string.h> |
| |
| |
| PJ_DEF(void) pjmedia_format_init_audio( pjmedia_format *fmt, |
| pj_uint32_t fmt_id, |
| unsigned clock_rate, |
| unsigned channel_count, |
| unsigned bits_per_sample, |
| unsigned frame_time_usec, |
| pj_uint32_t avg_bps, |
| pj_uint32_t max_bps) |
| { |
| fmt->id = fmt_id; |
| fmt->type = PJMEDIA_TYPE_AUDIO; |
| fmt->detail_type = PJMEDIA_FORMAT_DETAIL_AUDIO; |
| |
| fmt->det.aud.clock_rate = clock_rate; |
| fmt->det.aud.channel_count = channel_count; |
| fmt->det.aud.bits_per_sample = bits_per_sample; |
| fmt->det.aud.frame_time_usec = frame_time_usec; |
| fmt->det.aud.avg_bps = avg_bps; |
| fmt->det.aud.max_bps = max_bps; |
| } |
| |
| |
| PJ_DEF(pjmedia_audio_format_detail*) |
| pjmedia_format_get_audio_format_detail(const pjmedia_format *fmt, |
| pj_bool_t assert_valid) |
| { |
| if (fmt->detail_type==PJMEDIA_FORMAT_DETAIL_AUDIO) { |
| return (pjmedia_audio_format_detail*) &fmt->det.aud; |
| } else { |
| /* Get rid of unused var compiler warning if pj_assert() |
| * macro does not do anything |
| */ |
| PJ_UNUSED_ARG(assert_valid); |
| pj_assert(!assert_valid || !"Invalid audio format detail"); |
| return NULL; |
| } |
| } |
| |
| |
| PJ_DEF(pjmedia_format*) pjmedia_format_copy(pjmedia_format *dst, |
| const pjmedia_format *src) |
| { |
| return (pjmedia_format*)pj_memcpy(dst, src, sizeof(*src)); |
| } |
| |
| |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| |
| |
| static pj_status_t apply_packed_fmt(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam); |
| |
| static pj_status_t apply_planar_420(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam); |
| |
| static pj_status_t apply_planar_422(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam); |
| |
| static pj_status_t apply_planar_444(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam); |
| |
| struct pjmedia_video_format_mgr |
| { |
| unsigned max_info; |
| unsigned info_cnt; |
| pjmedia_video_format_info **infos; |
| }; |
| |
| static pjmedia_video_format_mgr *video_format_mgr_instance; |
| static pjmedia_video_format_info built_in_vid_fmt_info[] = |
| { |
| {PJMEDIA_FORMAT_RGB24, "RGB24", PJMEDIA_COLOR_MODEL_RGB, 24, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_RGBA, "RGBA", PJMEDIA_COLOR_MODEL_RGB, 32, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_BGRA, "BGRA", PJMEDIA_COLOR_MODEL_RGB, 32, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_DIB , "DIB ", PJMEDIA_COLOR_MODEL_RGB, 24, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_GBRP, "GBRP", PJMEDIA_COLOR_MODEL_RGB, 24, 3, &apply_planar_444}, |
| {PJMEDIA_FORMAT_AYUV, "AYUV", PJMEDIA_COLOR_MODEL_YUV, 32, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_YUY2, "YUY2", PJMEDIA_COLOR_MODEL_YUV, 16, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_UYVY, "UYVY", PJMEDIA_COLOR_MODEL_YUV, 16, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_YVYU, "YVYU", PJMEDIA_COLOR_MODEL_YUV, 16, 1, &apply_packed_fmt}, |
| {PJMEDIA_FORMAT_I420, "I420", PJMEDIA_COLOR_MODEL_YUV, 12, 3, &apply_planar_420}, |
| {PJMEDIA_FORMAT_YV12, "YV12", PJMEDIA_COLOR_MODEL_YUV, 12, 3, &apply_planar_420}, |
| {PJMEDIA_FORMAT_I422, "I422", PJMEDIA_COLOR_MODEL_YUV, 16, 3, &apply_planar_422}, |
| {PJMEDIA_FORMAT_I420JPEG, "I420JPG", PJMEDIA_COLOR_MODEL_YUV, 12, 3, &apply_planar_420}, |
| {PJMEDIA_FORMAT_I422JPEG, "I422JPG", PJMEDIA_COLOR_MODEL_YUV, 16, 3, &apply_planar_422}, |
| }; |
| |
| PJ_DEF(void) pjmedia_format_init_video( pjmedia_format *fmt, |
| pj_uint32_t fmt_id, |
| unsigned width, |
| unsigned height, |
| unsigned fps_num, |
| unsigned fps_denum) |
| { |
| pj_assert(fps_denum); |
| fmt->id = fmt_id; |
| fmt->type = PJMEDIA_TYPE_VIDEO; |
| fmt->detail_type = PJMEDIA_FORMAT_DETAIL_VIDEO; |
| |
| fmt->det.vid.size.w = width; |
| fmt->det.vid.size.h = height; |
| fmt->det.vid.fps.num = fps_num; |
| fmt->det.vid.fps.denum = fps_denum; |
| fmt->det.vid.avg_bps = fmt->det.vid.max_bps = 0; |
| |
| if (pjmedia_video_format_mgr_instance()) { |
| const pjmedia_video_format_info *vfi; |
| pjmedia_video_apply_fmt_param vafp; |
| pj_uint32_t bps; |
| |
| vfi = pjmedia_get_video_format_info(NULL, fmt->id); |
| if (vfi) { |
| pj_bzero(&vafp, sizeof(vafp)); |
| vafp.size = fmt->det.vid.size; |
| vfi->apply_fmt(vfi, &vafp); |
| |
| bps = (pj_uint32_t)vafp.framebytes * fps_num * (pj_size_t)8 / fps_denum; |
| fmt->det.vid.avg_bps = fmt->det.vid.max_bps = bps; |
| } |
| } |
| } |
| |
| PJ_DEF(pjmedia_video_format_detail*) |
| pjmedia_format_get_video_format_detail(const pjmedia_format *fmt, |
| pj_bool_t assert_valid) |
| { |
| if (fmt->detail_type==PJMEDIA_FORMAT_DETAIL_VIDEO) { |
| return (pjmedia_video_format_detail*)&fmt->det.vid; |
| } else { |
| pj_assert(!assert_valid || !"Invalid video format detail"); |
| return NULL; |
| } |
| } |
| |
| |
| static pj_status_t apply_packed_fmt(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam) |
| { |
| unsigned i; |
| pj_size_t stride; |
| |
| stride = (pj_size_t)((aparam->size.w*fi->bpp) >> 3); |
| |
| /* Calculate memsize */ |
| aparam->framebytes = stride * aparam->size.h; |
| |
| /* Packed formats only use 1 plane */ |
| aparam->planes[0] = aparam->buffer; |
| aparam->strides[0] = (int)stride; |
| aparam->plane_bytes[0] = aparam->framebytes; |
| |
| /* Zero unused planes */ |
| for (i=1; i<PJMEDIA_MAX_VIDEO_PLANES; ++i) { |
| aparam->strides[i] = 0; |
| aparam->planes[i] = NULL; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| static pj_status_t apply_planar_420(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam) |
| { |
| unsigned i; |
| pj_size_t Y_bytes; |
| |
| PJ_UNUSED_ARG(fi); |
| |
| /* Calculate memsize */ |
| Y_bytes = (pj_size_t)(aparam->size.w * aparam->size.h); |
| aparam->framebytes = Y_bytes + (Y_bytes>>1); |
| |
| /* Planar formats use 3 plane */ |
| aparam->strides[0] = aparam->size.w; |
| aparam->strides[1] = aparam->strides[2] = (aparam->size.w>>1); |
| |
| aparam->planes[0] = aparam->buffer; |
| aparam->planes[1] = aparam->planes[0] + Y_bytes; |
| aparam->planes[2] = aparam->planes[1] + (Y_bytes>>2); |
| |
| aparam->plane_bytes[0] = Y_bytes; |
| aparam->plane_bytes[1] = aparam->plane_bytes[2] = (Y_bytes>>2); |
| |
| /* Zero unused planes */ |
| for (i=3; i<PJMEDIA_MAX_VIDEO_PLANES; ++i) { |
| aparam->strides[i] = 0; |
| aparam->planes[i] = NULL; |
| aparam->plane_bytes[i] = 0; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| static pj_status_t apply_planar_422(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam) |
| { |
| unsigned i; |
| pj_size_t Y_bytes; |
| |
| PJ_UNUSED_ARG(fi); |
| |
| /* Calculate memsize */ |
| Y_bytes = (pj_size_t)(aparam->size.w * aparam->size.h); |
| aparam->framebytes = (Y_bytes << 1); |
| |
| /* Planar formats use 3 plane */ |
| aparam->strides[0] = aparam->size.w; |
| aparam->strides[1] = aparam->strides[2] = (aparam->size.w>>1); |
| |
| aparam->planes[0] = aparam->buffer; |
| aparam->planes[1] = aparam->planes[0] + Y_bytes; |
| aparam->planes[2] = aparam->planes[1] + (Y_bytes>>1); |
| |
| aparam->plane_bytes[0] = Y_bytes; |
| aparam->plane_bytes[1] = aparam->plane_bytes[2] = (Y_bytes>>1); |
| |
| /* Zero unused planes */ |
| for (i=3; i<PJMEDIA_MAX_VIDEO_PLANES; ++i) { |
| aparam->strides[i] = 0; |
| aparam->planes[i] = NULL; |
| aparam->plane_bytes[i] = 0; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| static pj_status_t apply_planar_444(const pjmedia_video_format_info *fi, |
| pjmedia_video_apply_fmt_param *aparam) |
| { |
| unsigned i; |
| pj_size_t Y_bytes; |
| |
| PJ_UNUSED_ARG(fi); |
| |
| /* Calculate memsize */ |
| Y_bytes = (pj_size_t)(aparam->size.w * aparam->size.h); |
| aparam->framebytes = (Y_bytes * 3); |
| |
| /* Planar formats use 3 plane */ |
| aparam->strides[0] = aparam->strides[1] = |
| aparam->strides[2] = aparam->size.w; |
| |
| aparam->planes[0] = aparam->buffer; |
| aparam->planes[1] = aparam->planes[0] + Y_bytes; |
| aparam->planes[2] = aparam->planes[1] + Y_bytes; |
| |
| aparam->plane_bytes[0] = aparam->plane_bytes[1] = |
| aparam->plane_bytes[2] = Y_bytes; |
| |
| /* Zero unused planes */ |
| for (i=3; i<PJMEDIA_MAX_VIDEO_PLANES; ++i) { |
| aparam->strides[i] = 0; |
| aparam->planes[i] = NULL; |
| aparam->plane_bytes[i] = 0; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| PJ_DEF(pj_status_t) |
| pjmedia_video_format_mgr_create(pj_pool_t *pool, |
| unsigned max_fmt, |
| unsigned options, |
| pjmedia_video_format_mgr **p_mgr) |
| { |
| pjmedia_video_format_mgr *mgr; |
| unsigned i; |
| |
| PJ_ASSERT_RETURN(pool && options==0, PJ_EINVAL); |
| |
| PJ_UNUSED_ARG(options); |
| |
| mgr = PJ_POOL_ALLOC_T(pool, pjmedia_video_format_mgr); |
| mgr->max_info = max_fmt; |
| mgr->info_cnt = 0; |
| mgr->infos = pj_pool_calloc(pool, max_fmt, sizeof(pjmedia_video_format_info *)); |
| |
| if (video_format_mgr_instance == NULL) |
| video_format_mgr_instance = mgr; |
| |
| for (i=0; i<PJ_ARRAY_SIZE(built_in_vid_fmt_info); ++i) { |
| pjmedia_register_video_format_info(mgr, |
| &built_in_vid_fmt_info[i]); |
| } |
| |
| if (p_mgr) |
| *p_mgr = mgr; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| PJ_DEF(const pjmedia_video_format_info*) |
| pjmedia_get_video_format_info(pjmedia_video_format_mgr *mgr, |
| pj_uint32_t id) |
| { |
| pjmedia_video_format_info **first; |
| int comp; |
| unsigned n; |
| |
| if (!mgr) |
| mgr = pjmedia_video_format_mgr_instance(); |
| |
| PJ_ASSERT_RETURN(mgr != NULL, NULL); |
| |
| /* Binary search for the appropriate format id */ |
| comp = -1; |
| first = &mgr->infos[0]; |
| n = mgr->info_cnt; |
| for (; n > 0; ) { |
| unsigned half = n / 2; |
| pjmedia_video_format_info **mid = first + half; |
| |
| if ((*mid)->id < id) { |
| first = ++mid; |
| n -= half + 1; |
| } else if ((*mid)->id==id) { |
| return *mid; |
| } else { |
| n = half; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| |
| PJ_DEF(pj_status_t) |
| pjmedia_register_video_format_info(pjmedia_video_format_mgr *mgr, |
| pjmedia_video_format_info *info) |
| { |
| unsigned i; |
| |
| if (!mgr) |
| mgr = pjmedia_video_format_mgr_instance(); |
| |
| PJ_ASSERT_RETURN(mgr != NULL, PJ_EINVALIDOP); |
| |
| if (mgr->info_cnt >= mgr->max_info) |
| return PJ_ETOOMANY; |
| |
| /* Insert to the array, sorted */ |
| for (i=0; i<mgr->info_cnt; ++i) { |
| if (mgr->infos[i]->id >= info->id) |
| break; |
| } |
| |
| if (i < mgr->info_cnt) { |
| if (mgr->infos[i]->id == info->id) { |
| /* just overwrite */ |
| mgr->infos[i] = info; |
| return PJ_SUCCESS; |
| } |
| |
| pj_memmove(&mgr->infos[i+1], &mgr->infos[i], |
| (mgr->info_cnt - i) * sizeof(pjmedia_video_format_info*)); |
| } |
| |
| mgr->infos[i] = info; |
| mgr->info_cnt++; |
| |
| return PJ_SUCCESS; |
| } |
| |
| PJ_DEF(pjmedia_video_format_mgr*) pjmedia_video_format_mgr_instance(void) |
| { |
| pj_assert(video_format_mgr_instance != NULL); |
| return video_format_mgr_instance; |
| } |
| |
| PJ_DEF(void) |
| pjmedia_video_format_mgr_set_instance(pjmedia_video_format_mgr *mgr) |
| { |
| video_format_mgr_instance = mgr; |
| } |
| |
| |
| PJ_DEF(void) pjmedia_video_format_mgr_destroy(pjmedia_video_format_mgr *mgr) |
| { |
| if (!mgr) |
| mgr = pjmedia_video_format_mgr_instance(); |
| |
| PJ_ASSERT_ON_FAIL(mgr != NULL, return); |
| |
| mgr->info_cnt = 0; |
| if (video_format_mgr_instance == mgr) |
| video_format_mgr_instance = NULL; |
| } |
| |
| #endif /* PJMEDIA_HAS_VIDEO */ |