diff options
Diffstat (limited to 'pjmedia/src/pjmedia-videodev/colorbar_dev.c')
| -rw-r--r-- | pjmedia/src/pjmedia-videodev/colorbar_dev.c | 622 |
1 files changed, 622 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-videodev/colorbar_dev.c b/pjmedia/src/pjmedia-videodev/colorbar_dev.c new file mode 100644 index 00000000..7d6c348f --- /dev/null +++ b/pjmedia/src/pjmedia-videodev/colorbar_dev.c @@ -0,0 +1,622 @@ +/* $Id$ */ +/* + * Copyright (C) 2008-2010 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-videodev/videodev_imp.h> +#include <pj/assert.h> +#include <pj/log.h> +#include <pj/os.h> +#include <pj/rand.h> + +#if PJMEDIA_VIDEO_DEV_HAS_CBAR_SRC + +#define THIS_FILE "colorbar_dev.c" +#define DEFAULT_CLOCK_RATE 90000 +#define DEFAULT_WIDTH 352 //640 +#define DEFAULT_HEIGHT 288 //480 +#define DEFAULT_FPS 25 + +/* cbar_ device info */ +struct cbar_dev_info +{ + pjmedia_vid_dev_info info; +}; + +/* cbar_ factory */ +struct cbar_factory +{ + pjmedia_vid_dev_factory base; + pj_pool_t *pool; + pj_pool_factory *pf; + + unsigned dev_count; + struct cbar_dev_info *dev_info; +}; + +struct cbar_fmt_info { + pjmedia_format_id fmt_id; /* Format ID */ + + /* Info for packed formats. */ + unsigned c_offset[3]; /* Color component offset, + in bytes */ + unsigned c_stride[3]; /* Color component stride, + or distance between two + consecutive same color + components, in bytes */ +}; + +/* Colorbar video source supports */ +static struct cbar_fmt_info cbar_fmts[] = +{ + /* Packed formats */ + { PJMEDIA_FORMAT_YUY2, {0, 1, 3}, {2, 4, 4} }, + { PJMEDIA_FORMAT_UYVY, {1, 0, 2}, {2, 4, 4} }, + { PJMEDIA_FORMAT_YVYU, {0, 3, 1}, {2, 4, 4} }, + { PJMEDIA_FORMAT_RGBA, {0, 1, 2}, {4, 4, 4} }, + { PJMEDIA_FORMAT_RGB24, {0, 1, 2}, {3, 3, 3} }, + { PJMEDIA_FORMAT_BGRA, {2, 1, 0}, {4, 4, 4} }, + + /* Planar formats */ + { PJMEDIA_FORMAT_YV12 }, + { PJMEDIA_FORMAT_I420 }, + { PJMEDIA_FORMAT_I420JPEG }, + { PJMEDIA_FORMAT_I422JPEG }, +}; + +/* Video stream. */ +struct cbar_stream +{ + pjmedia_vid_dev_stream base; /**< Base stream */ + pjmedia_vid_dev_param param; /**< Settings */ + pj_pool_t *pool; /**< Memory pool. */ + + pjmedia_vid_dev_cb vid_cb; /**< Stream callback. */ + void *user_data; /**< Application data. */ + + const struct cbar_fmt_info *cbfi; + const pjmedia_video_format_info *vfi; + pjmedia_video_apply_fmt_param vafp; + pj_uint8_t *first_line[PJMEDIA_MAX_VIDEO_PLANES]; + pj_timestamp ts; + unsigned ts_inc; +}; + + +/* Prototypes */ +static pj_status_t cbar_factory_init(pjmedia_vid_dev_factory *f); +static pj_status_t cbar_factory_destroy(pjmedia_vid_dev_factory *f); +static pj_status_t cbar_factory_refresh(pjmedia_vid_dev_factory *f); +static unsigned cbar_factory_get_dev_count(pjmedia_vid_dev_factory *f); +static pj_status_t cbar_factory_get_dev_info(pjmedia_vid_dev_factory *f, + unsigned index, + pjmedia_vid_dev_info *info); +static pj_status_t cbar_factory_default_param(pj_pool_t *pool, + pjmedia_vid_dev_factory *f, + unsigned index, + pjmedia_vid_dev_param *param); +static pj_status_t cbar_factory_create_stream( + pjmedia_vid_dev_factory *f, + pjmedia_vid_dev_param *param, + const pjmedia_vid_dev_cb *cb, + void *user_data, + pjmedia_vid_dev_stream **p_vid_strm); + +static pj_status_t cbar_stream_get_param(pjmedia_vid_dev_stream *strm, + pjmedia_vid_dev_param *param); +static pj_status_t cbar_stream_get_cap(pjmedia_vid_dev_stream *strm, + pjmedia_vid_dev_cap cap, + void *value); +static pj_status_t cbar_stream_set_cap(pjmedia_vid_dev_stream *strm, + pjmedia_vid_dev_cap cap, + const void *value); +static pj_status_t cbar_stream_get_frame(pjmedia_vid_dev_stream *strm, + pjmedia_frame *frame); +static pj_status_t cbar_stream_start(pjmedia_vid_dev_stream *strm); +static pj_status_t cbar_stream_stop(pjmedia_vid_dev_stream *strm); +static pj_status_t cbar_stream_destroy(pjmedia_vid_dev_stream *strm); + +/* Operations */ +static pjmedia_vid_dev_factory_op factory_op = +{ + &cbar_factory_init, + &cbar_factory_destroy, + &cbar_factory_get_dev_count, + &cbar_factory_get_dev_info, + &cbar_factory_default_param, + &cbar_factory_create_stream, + &cbar_factory_refresh +}; + +static pjmedia_vid_dev_stream_op stream_op = +{ + &cbar_stream_get_param, + &cbar_stream_get_cap, + &cbar_stream_set_cap, + &cbar_stream_start, + &cbar_stream_get_frame, + NULL, + &cbar_stream_stop, + &cbar_stream_destroy +}; + + +/**************************************************************************** + * Factory operations + */ +/* + * Init cbar_ video driver. + */ +pjmedia_vid_dev_factory* pjmedia_cbar_factory(pj_pool_factory *pf) +{ + struct cbar_factory *f; + pj_pool_t *pool; + + pool = pj_pool_create(pf, "cbar video", 512, 512, NULL); + f = PJ_POOL_ZALLOC_T(pool, struct cbar_factory); + f->pf = pf; + f->pool = pool; + f->base.op = &factory_op; + + return &f->base; +} + + +/* API: init factory */ +static pj_status_t cbar_factory_init(pjmedia_vid_dev_factory *f) +{ + struct cbar_factory *cf = (struct cbar_factory*)f; + struct cbar_dev_info *ddi; + unsigned i; + + cf->dev_count = 1; + cf->dev_info = (struct cbar_dev_info*) + pj_pool_calloc(cf->pool, cf->dev_count, + sizeof(struct cbar_dev_info)); + + ddi = &cf->dev_info[0]; + pj_bzero(ddi, sizeof(*ddi)); + pj_ansi_strncpy(ddi->info.name, "Colorbar generator", + sizeof(ddi->info.name)); + ddi->info.driver[sizeof(ddi->info.driver)-1] = '\0'; + pj_ansi_strncpy(ddi->info.driver, "Colorbar", sizeof(ddi->info.driver)); + ddi->info.driver[sizeof(ddi->info.driver)-1] = '\0'; + ddi->info.dir = PJMEDIA_DIR_CAPTURE; + ddi->info.has_callback = PJ_FALSE; + + ddi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT; + ddi->info.fmt_cnt = sizeof(cbar_fmts)/sizeof(cbar_fmts[0]); + for (i = 0; i < ddi->info.fmt_cnt; i++) { + pjmedia_format *fmt = &ddi->info.fmt[i]; + pjmedia_format_init_video(fmt, cbar_fmts[i].fmt_id, + DEFAULT_WIDTH, DEFAULT_HEIGHT, + DEFAULT_FPS, 1); + } + + PJ_LOG(4, (THIS_FILE, "Colorbar video src initialized with %d device(s):", + cf->dev_count)); + for (i = 0; i < cf->dev_count; i++) { + PJ_LOG(4, (THIS_FILE, "%2d: %s", i, cf->dev_info[i].info.name)); + } + + return PJ_SUCCESS; +} + +/* API: destroy factory */ +static pj_status_t cbar_factory_destroy(pjmedia_vid_dev_factory *f) +{ + struct cbar_factory *cf = (struct cbar_factory*)f; + pj_pool_t *pool = cf->pool; + + cf->pool = NULL; + pj_pool_release(pool); + + return PJ_SUCCESS; +} + +/* API: refresh the list of devices */ +static pj_status_t cbar_factory_refresh(pjmedia_vid_dev_factory *f) +{ + PJ_UNUSED_ARG(f); + return PJ_SUCCESS; +} + +/* API: get number of devices */ +static unsigned cbar_factory_get_dev_count(pjmedia_vid_dev_factory *f) +{ + struct cbar_factory *cf = (struct cbar_factory*)f; + return cf->dev_count; +} + +/* API: get device info */ +static pj_status_t cbar_factory_get_dev_info(pjmedia_vid_dev_factory *f, + unsigned index, + pjmedia_vid_dev_info *info) +{ + struct cbar_factory *cf = (struct cbar_factory*)f; + + PJ_ASSERT_RETURN(index < cf->dev_count, PJMEDIA_EVID_INVDEV); + + pj_memcpy(info, &cf->dev_info[index].info, sizeof(*info)); + + return PJ_SUCCESS; +} + +/* API: create default device parameter */ +static pj_status_t cbar_factory_default_param(pj_pool_t *pool, + pjmedia_vid_dev_factory *f, + unsigned index, + pjmedia_vid_dev_param *param) +{ + struct cbar_factory *cf = (struct cbar_factory*)f; + struct cbar_dev_info *di = &cf->dev_info[index]; + + PJ_ASSERT_RETURN(index < cf->dev_count, PJMEDIA_EVID_INVDEV); + + PJ_UNUSED_ARG(pool); + + pj_bzero(param, sizeof(*param)); + param->dir = PJMEDIA_DIR_CAPTURE; + param->cap_id = index; + param->rend_id = PJMEDIA_VID_INVALID_DEV; + param->flags = PJMEDIA_VID_DEV_CAP_FORMAT; + param->clock_rate = DEFAULT_CLOCK_RATE; + pj_memcpy(¶m->fmt, &di->info.fmt[0], sizeof(param->fmt)); + + return PJ_SUCCESS; +} + +static const struct cbar_fmt_info* get_cbar_fmt_info(pjmedia_format_id id) +{ + unsigned i; + + for (i = 0; i < sizeof(cbar_fmts)/sizeof(cbar_fmts[0]); i++) { + if (cbar_fmts[i].fmt_id == id) + return &cbar_fmts[i]; + } + + return NULL; +} + +static void fill_first_line(pj_uint8_t *first_lines[], + const struct cbar_fmt_info *cbfi, + const pjmedia_video_format_info *vfi, + const pjmedia_video_apply_fmt_param *vafp) +{ + typedef pj_uint8_t color_comp_t[3]; + color_comp_t rgb_colors[] = + { + {255,255,255}, {255,255,0}, {0,255,255}, {0,255,0}, + {255,0,255}, {255,0,0}, {0,0,255}, {0,0,0} + }; + color_comp_t yuv_colors[] = + { + //{235,128,128}, {162,44,142}, {131,156,44}, {112,72,58}, + //{84,184,198}, {65,100,212}, {35,212,114}, {16,128,128} + {235,128,128}, {210,16,146}, {170,166,16}, {145,54,34}, + {106,202,222}, {81,90,240}, {41,240,110}, {16,128,128} + }; + + unsigned i, j, k; + + if (vfi->plane_cnt == 1) { + /* Packed */ + + for (i = 0; i < 8; ++i) { + /* iterate bars */ + for (j = 0; j < 3; ++j) { + /* iterate color components */ + pj_uint8_t *p = NULL, c; + unsigned bar_width, inc_p; + + if (vfi->color_model == PJMEDIA_COLOR_MODEL_RGB) + c = rgb_colors[i][j]; + else + c = yuv_colors[i][j]; + + bar_width = vafp->size.w/8; + bar_width /= (cbfi->c_stride[j] * 8 / vfi->bpp); + inc_p = cbfi->c_stride[j]; + p = first_lines[0] + bar_width*i*inc_p + cbfi->c_offset[j]; + + /* draw this color */ + for (k = 0; k < bar_width; ++k) { + *p = c; + p += inc_p; + } + } + } + + } else if (vfi->plane_cnt == 3) { + + for (i = 0; i < 8; ++i) { + /* iterate bars */ + for (j = 0; j < 3; ++j) { + /* iterate planes/color components */ + pj_uint8_t *p = NULL, c; + unsigned bar_width; + + if (vfi->color_model == PJMEDIA_COLOR_MODEL_RGB) + c = rgb_colors[i][j]; + else + c = yuv_colors[i][j]; + + bar_width = vafp->strides[j]/8; + p = first_lines[j] + bar_width*i; + + /* draw this plane/color */ + for (k = 0; k < bar_width; ++k) + *p++ = c; + } + } + } +} + +/* API: create stream */ +static pj_status_t cbar_factory_create_stream( + pjmedia_vid_dev_factory *f, + pjmedia_vid_dev_param *param, + const pjmedia_vid_dev_cb *cb, + void *user_data, + pjmedia_vid_dev_stream **p_vid_strm) +{ + struct cbar_factory *cf = (struct cbar_factory*)f; + pj_pool_t *pool; + struct cbar_stream *strm; + const pjmedia_video_format_detail *vfd; + const pjmedia_video_format_info *vfi; + pjmedia_video_apply_fmt_param vafp; + const struct cbar_fmt_info *cbfi; + unsigned i; + + PJ_ASSERT_RETURN(f && param && p_vid_strm, PJ_EINVAL); + PJ_ASSERT_RETURN(param->fmt.type == PJMEDIA_TYPE_VIDEO && + param->fmt.detail_type == PJMEDIA_FORMAT_DETAIL_VIDEO && + param->dir == PJMEDIA_DIR_CAPTURE, + PJ_EINVAL); + + pj_bzero(&vafp, sizeof(vafp)); + + vfd = pjmedia_format_get_video_format_detail(¶m->fmt, PJ_TRUE); + vfi = pjmedia_get_video_format_info(NULL, param->fmt.id); + cbfi = get_cbar_fmt_info(param->fmt.id); + if (!vfi || !cbfi) + return PJMEDIA_EVID_BADFORMAT; + + vafp.size = param->fmt.det.vid.size; + if (vfi->apply_fmt(vfi, &vafp) != PJ_SUCCESS) + return PJMEDIA_EVID_BADFORMAT; + + /* Create and Initialize stream descriptor */ + pool = pj_pool_create(cf->pf, "cbar-dev", 512, 512, NULL); + PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); + + strm = PJ_POOL_ZALLOC_T(pool, struct cbar_stream); + pj_memcpy(&strm->param, param, sizeof(*param)); + strm->pool = pool; + pj_memcpy(&strm->vid_cb, cb, sizeof(*cb)); + strm->user_data = user_data; + strm->vfi = vfi; + strm->cbfi = cbfi; + pj_memcpy(&strm->vafp, &vafp, sizeof(vafp)); + strm->ts_inc = PJMEDIA_SPF2(param->clock_rate, &vfd->fps, 1); + pjmedia_event_publisher_init(&strm->base.epub, PJMEDIA_SIG_VID_DEV_COLORBAR); + + for (i = 0; i < vfi->plane_cnt; ++i) { + strm->first_line[i] = pj_pool_alloc(pool, vafp.strides[i]); + pj_memset(strm->first_line[i], 255, vafp.strides[i]); + } + + fill_first_line(strm->first_line, strm->cbfi, vfi, &strm->vafp); + + /* Apply the remaining settings */ +/* if (param->flags & PJMEDIA_VID_DEV_CAP_INPUT_SCALE) { + cbar_stream_set_cap(&strm->base, + PJMEDIA_VID_DEV_CAP_INPUT_SCALE, + ¶m->fmt); + } +*/ + /* Done */ + strm->base.op = &stream_op; + *p_vid_strm = &strm->base; + + return PJ_SUCCESS; +} + +/* API: Get stream info. */ +static pj_status_t cbar_stream_get_param(pjmedia_vid_dev_stream *s, + pjmedia_vid_dev_param *pi) +{ + struct cbar_stream *strm = (struct cbar_stream*)s; + + PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); + + pj_memcpy(pi, &strm->param, sizeof(*pi)); + +/* if (cbar_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_INPUT_SCALE, + &pi->fmt.info_size) == PJ_SUCCESS) + { + pi->flags |= PJMEDIA_VID_DEV_CAP_INPUT_SCALE; + } +*/ + return PJ_SUCCESS; +} + +/* API: get capability */ +static pj_status_t cbar_stream_get_cap(pjmedia_vid_dev_stream *s, + pjmedia_vid_dev_cap cap, + void *pval) +{ + struct cbar_stream *strm = (struct cbar_stream*)s; + + PJ_UNUSED_ARG(strm); + + PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); + + if (cap==PJMEDIA_VID_DEV_CAP_INPUT_SCALE) + { + return PJMEDIA_EVID_INVCAP; +// return PJ_SUCCESS; + } else { + return PJMEDIA_EVID_INVCAP; + } +} + +/* API: set capability */ +static pj_status_t cbar_stream_set_cap(pjmedia_vid_dev_stream *s, + pjmedia_vid_dev_cap cap, + const void *pval) +{ + struct cbar_stream *strm = (struct cbar_stream*)s; + + PJ_UNUSED_ARG(strm); + + PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); + + if (cap==PJMEDIA_VID_DEV_CAP_INPUT_SCALE) + { + return PJ_SUCCESS; + } + + return PJMEDIA_EVID_INVCAP; +} + +static pj_status_t spectrum_run(struct cbar_stream *d, pj_uint8_t *p, + pj_size_t size) +{ + unsigned i; + pj_uint8_t *ptr = p; + pj_time_val tv; + + PJ_UNUSED_ARG(size); + + /* Subsequent lines */ + for (i=0; i<d->vfi->plane_cnt; ++i) { + pj_uint8_t *plane_end; + + plane_end = ptr + d->vafp.plane_bytes[i]; + while (ptr < plane_end) { + pj_memcpy(ptr, d->first_line[i], d->vafp.strides[i]); + ptr += d->vafp.strides[i]; + } + } + + /* blinking dot */ + pj_gettimeofday(&tv); + if (tv.msec < 660) { + enum { DOT_SIZE = 8 }; + pj_uint8_t dot_clr_rgb[3] = {255, 255, 255}; + pj_uint8_t dot_clr_yuv[3] = {235, 128, 128}; + + if (d->vfi->plane_cnt == 1) { + for (i = 0; i < 3; ++i) { + pj_uint8_t *ptr; + unsigned j, k, inc_ptr; + pj_size_t dot_size = DOT_SIZE; + + dot_size /= (d->cbfi->c_stride[i] * 8 / d->vfi->bpp); + inc_ptr = d->cbfi->c_stride[i]; + for (j = 0; j < dot_size; ++j) { + ptr = p + d->vafp.strides[0]*(dot_size+j+1) - + 2*dot_size*inc_ptr + d->cbfi->c_offset[i]; + for (k = 0; k < dot_size; ++k) { + if (d->vfi->color_model == PJMEDIA_COLOR_MODEL_RGB) + *ptr = dot_clr_rgb[i]; + else + *ptr = dot_clr_yuv[i]; + ptr += inc_ptr; + } + } + } + } else { + pj_size_t offset_p = 0; + + for (i = 0; i < 3; ++i) { + pj_uint8_t *ptr, c; + unsigned j; + pj_size_t dot_size = DOT_SIZE; + + if (d->vfi->color_model == PJMEDIA_COLOR_MODEL_RGB) + c = dot_clr_rgb[i]; + else + c = dot_clr_yuv[i]; + + dot_size /= (d->vafp.size.w / d->vafp.strides[i]); + ptr = p + offset_p + d->vafp.strides[i]*(dot_size+1) - + 2*dot_size; + for (j = 0; j < dot_size; ++j) { + pj_memset(ptr, c, dot_size); + ptr += d->vafp.strides[i]; + } + offset_p += d->vafp.plane_bytes[i]; + } + } + } + + return PJ_SUCCESS; +} + +/* API: Get frame from stream */ +static pj_status_t cbar_stream_get_frame(pjmedia_vid_dev_stream *strm, + pjmedia_frame *frame) +{ + struct cbar_stream *stream = (struct cbar_stream*)strm; + + frame->timestamp = stream->ts; + stream->ts.u64 += stream->ts_inc; + return spectrum_run(stream, frame->buf, frame->size); +} + +/* API: Start stream. */ +static pj_status_t cbar_stream_start(pjmedia_vid_dev_stream *strm) +{ + struct cbar_stream *stream = (struct cbar_stream*)strm; + + PJ_UNUSED_ARG(stream); + + PJ_LOG(4, (THIS_FILE, "Starting cbar video stream")); + + return PJ_SUCCESS; +} + +/* API: Stop stream. */ +static pj_status_t cbar_stream_stop(pjmedia_vid_dev_stream *strm) +{ + struct cbar_stream *stream = (struct cbar_stream*)strm; + + PJ_UNUSED_ARG(stream); + + PJ_LOG(4, (THIS_FILE, "Stopping cbar video stream")); + + return PJ_SUCCESS; +} + + +/* API: Destroy stream. */ +static pj_status_t cbar_stream_destroy(pjmedia_vid_dev_stream *strm) +{ + struct cbar_stream *stream = (struct cbar_stream*)strm; + + PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); + + cbar_stream_stop(strm); + + pj_pool_release(stream->pool); + + return PJ_SUCCESS; +} + +#endif /* PJMEDIA_VIDEO_DEV_HAS_CBAR_SRC */ |