| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 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-videodev/videodev_imp.h> |
| #include <pjmedia-videodev/avi_dev.h> |
| #include <pj/assert.h> |
| #include <pj/log.h> |
| #include <pj/os.h> |
| #include <pj/rand.h> |
| #include <pjmedia/vid_codec.h> |
| |
| #if defined(PJMEDIA_VIDEO_DEV_HAS_AVI) && PJMEDIA_VIDEO_DEV_HAS_AVI != 0 && \ |
| defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| |
| #define THIS_FILE "avi_dev.c" |
| #define DRIVER_NAME "AVIDev" |
| #define DEFAULT_CLOCK_RATE 90000 |
| #define DEFAULT_WIDTH 640 |
| #define DEFAULT_HEIGHT 480 |
| #define DEFAULT_FPS 25 |
| |
| typedef struct avi_dev_strm avi_dev_strm; |
| |
| /* avi_ device info */ |
| struct avi_dev_info |
| { |
| pjmedia_vid_dev_info info; |
| |
| pj_pool_t *pool; |
| pj_str_t fpath; |
| pj_str_t title; |
| pjmedia_avi_streams *avi; |
| pjmedia_port *vid; |
| avi_dev_strm *strm; |
| pjmedia_vid_codec *codec; |
| pj_uint8_t *enc_buf; |
| pj_size_t enc_buf_size; |
| }; |
| |
| /* avi_ factory */ |
| struct avi_factory |
| { |
| pjmedia_vid_dev_factory base; |
| pj_pool_t *pool; |
| pj_pool_factory *pf; |
| |
| unsigned dev_count; |
| struct avi_dev_info *dev_info; |
| }; |
| |
| /* Video stream. */ |
| struct avi_dev_strm |
| { |
| pjmedia_vid_dev_stream base; /**< Base stream */ |
| pjmedia_vid_dev_param param; /**< Settings */ |
| pj_pool_t *pool; /**< Memory pool. */ |
| struct avi_dev_info *adi; |
| |
| pjmedia_vid_dev_cb vid_cb; /**< Stream callback. */ |
| void *user_data; /**< Application data. */ |
| }; |
| |
| |
| /* Prototypes */ |
| static pj_status_t avi_factory_init(pjmedia_vid_dev_factory *f); |
| static pj_status_t avi_factory_destroy(pjmedia_vid_dev_factory *f); |
| static pj_status_t avi_factory_refresh(pjmedia_vid_dev_factory *f); |
| static unsigned avi_factory_get_dev_count(pjmedia_vid_dev_factory *f); |
| static pj_status_t avi_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_info *info); |
| static pj_status_t avi_factory_default_param(pj_pool_t *pool, |
| pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_param *param); |
| static pj_status_t avi_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 avi_dev_strm_get_param(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_param *param); |
| static pj_status_t avi_dev_strm_get_cap(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_cap cap, |
| void *value); |
| static pj_status_t avi_dev_strm_set_cap(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_cap cap, |
| const void *value); |
| static pj_status_t avi_dev_strm_get_frame(pjmedia_vid_dev_stream *strm, |
| pjmedia_frame *frame); |
| static pj_status_t avi_dev_strm_start(pjmedia_vid_dev_stream *strm); |
| static pj_status_t avi_dev_strm_stop(pjmedia_vid_dev_stream *strm); |
| static pj_status_t avi_dev_strm_destroy(pjmedia_vid_dev_stream *strm); |
| |
| static void reset_dev_info(struct avi_dev_info *adi); |
| |
| /* Operations */ |
| static pjmedia_vid_dev_factory_op factory_op = |
| { |
| &avi_factory_init, |
| &avi_factory_destroy, |
| &avi_factory_get_dev_count, |
| &avi_factory_get_dev_info, |
| &avi_factory_default_param, |
| &avi_factory_create_stream, |
| &avi_factory_refresh |
| }; |
| |
| static pjmedia_vid_dev_stream_op stream_op = |
| { |
| &avi_dev_strm_get_param, |
| &avi_dev_strm_get_cap, |
| &avi_dev_strm_set_cap, |
| &avi_dev_strm_start, |
| &avi_dev_strm_get_frame, |
| NULL, |
| &avi_dev_strm_stop, |
| &avi_dev_strm_destroy |
| }; |
| |
| |
| /**************************************************************************** |
| * Factory operations |
| */ |
| |
| /* API */ |
| PJ_DEF(pj_status_t) pjmedia_avi_dev_create_factory( |
| pj_pool_factory *pf, |
| unsigned max_dev, |
| pjmedia_vid_dev_factory **p_ret) |
| { |
| struct avi_factory *cf; |
| pj_pool_t *pool; |
| pj_status_t status; |
| |
| pool = pj_pool_create(pf, "avidevfc%p", 512, 512, NULL); |
| cf = PJ_POOL_ZALLOC_T(pool, struct avi_factory); |
| cf->pf = pf; |
| cf->pool = pool; |
| cf->dev_count = max_dev; |
| cf->base.op = &factory_op; |
| |
| cf->dev_info = (struct avi_dev_info*) |
| pj_pool_calloc(cf->pool, cf->dev_count, |
| sizeof(struct avi_dev_info)); |
| |
| if (p_ret) { |
| *p_ret = &cf->base; |
| } |
| |
| status = pjmedia_vid_register_factory(NULL, &cf->base); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| PJ_LOG(4, (THIS_FILE, "AVI dev factory created with %d virtual device(s)", |
| cf->dev_count)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: init factory */ |
| static pj_status_t avi_factory_init(pjmedia_vid_dev_factory *f) |
| { |
| struct avi_factory *cf = (struct avi_factory*)f; |
| unsigned i; |
| |
| for (i=0; i<cf->dev_count; ++i) { |
| reset_dev_info(&cf->dev_info[i]); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: destroy factory */ |
| static pj_status_t avi_factory_destroy(pjmedia_vid_dev_factory *f) |
| { |
| struct avi_factory *cf = (struct avi_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 avi_factory_refresh(pjmedia_vid_dev_factory *f) |
| { |
| PJ_UNUSED_ARG(f); |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get number of devices */ |
| static unsigned avi_factory_get_dev_count(pjmedia_vid_dev_factory *f) |
| { |
| struct avi_factory *cf = (struct avi_factory*)f; |
| return cf->dev_count; |
| } |
| |
| /* API: get device info */ |
| static pj_status_t avi_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_info *info) |
| { |
| struct avi_factory *cf = (struct avi_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 avi_factory_default_param(pj_pool_t *pool, |
| pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_param *param) |
| { |
| struct avi_factory *cf = (struct avi_factory*)f; |
| struct avi_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; |
| } |
| |
| /* reset dev info */ |
| static void reset_dev_info(struct avi_dev_info *adi) |
| { |
| /* Close avi streams */ |
| if (adi->avi) { |
| unsigned i, cnt; |
| |
| cnt = pjmedia_avi_streams_get_num_streams(adi->avi); |
| for (i=0; i<cnt; ++i) { |
| pjmedia_avi_stream *as; |
| |
| as = pjmedia_avi_streams_get_stream(adi->avi, i); |
| if (as) { |
| pjmedia_port *port; |
| port = pjmedia_avi_stream_get_port(as); |
| pjmedia_port_destroy(port); |
| } |
| } |
| adi->avi = NULL; |
| } |
| |
| if (adi->codec) { |
| pjmedia_vid_codec_close(adi->codec); |
| adi->codec = NULL; |
| } |
| |
| if (adi->pool) |
| pj_pool_release(adi->pool); |
| |
| pj_bzero(adi, sizeof(*adi)); |
| |
| /* Fill up with *dummy" device info */ |
| pj_ansi_strncpy(adi->info.name, "AVI Player", sizeof(adi->info.name)-1); |
| pj_ansi_strncpy(adi->info.driver, DRIVER_NAME, sizeof(adi->info.driver)-1); |
| adi->info.dir = PJMEDIA_DIR_CAPTURE; |
| adi->info.has_callback = PJ_FALSE; |
| } |
| |
| /* API: release resources */ |
| PJ_DEF(pj_status_t) pjmedia_avi_dev_free(pjmedia_vid_dev_index id) |
| { |
| pjmedia_vid_dev_factory *f; |
| struct avi_factory *cf; |
| unsigned local_idx; |
| struct avi_dev_info *adi; |
| pj_status_t status; |
| |
| /* Lookup the factory and local device index */ |
| status = pjmedia_vid_dev_get_local_index(id, &f, &local_idx); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* The factory must be AVI factory */ |
| PJ_ASSERT_RETURN(f->op->init == &avi_factory_init, PJMEDIA_EVID_INVDEV); |
| cf = (struct avi_factory*)f; |
| |
| /* Device index should be valid */ |
| PJ_ASSERT_RETURN(local_idx <= cf->dev_count, PJ_EBUG); |
| adi = &cf->dev_info[local_idx]; |
| |
| /* Cannot configure if stream is running */ |
| if (adi->strm) |
| return PJ_EBUSY; |
| |
| /* Reset */ |
| reset_dev_info(adi); |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get param */ |
| PJ_DEF(pj_status_t) pjmedia_avi_dev_get_param(pjmedia_vid_dev_index id, |
| pjmedia_avi_dev_param *prm) |
| { |
| pjmedia_vid_dev_factory *f; |
| struct avi_factory *cf; |
| unsigned local_idx; |
| struct avi_dev_info *adi; |
| pj_status_t status; |
| |
| /* Lookup the factory and local device index */ |
| status = pjmedia_vid_dev_get_local_index(id, &f, &local_idx); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* The factory must be factory */ |
| PJ_ASSERT_RETURN(f->op->init == &avi_factory_init, PJMEDIA_EVID_INVDEV); |
| cf = (struct avi_factory*)f; |
| |
| /* Device index should be valid */ |
| PJ_ASSERT_RETURN(local_idx <= cf->dev_count, PJ_EBUG); |
| adi = &cf->dev_info[local_idx]; |
| |
| pj_bzero(prm, sizeof(*prm)); |
| prm->path = adi->fpath; |
| prm->title = adi->title; |
| prm->avi_streams = adi->avi; |
| |
| return PJ_SUCCESS; |
| } |
| |
| PJ_DEF(void) pjmedia_avi_dev_param_default(pjmedia_avi_dev_param *p) |
| { |
| pj_bzero(p, sizeof(*p)); |
| } |
| |
| /* API: configure the AVI */ |
| PJ_DEF(pj_status_t) pjmedia_avi_dev_alloc( pjmedia_vid_dev_factory *f, |
| pjmedia_avi_dev_param *p, |
| pjmedia_vid_dev_index *p_id) |
| { |
| pjmedia_vid_dev_index id; |
| struct avi_factory *cf = (struct avi_factory*)f; |
| unsigned local_idx; |
| struct avi_dev_info *adi = NULL; |
| pjmedia_format avi_fmt; |
| const pjmedia_video_format_info *vfi; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(f && p && p_id, PJ_EINVAL); |
| |
| if (p_id) |
| *p_id = PJMEDIA_VID_INVALID_DEV; |
| |
| /* Get a free dev */ |
| for (local_idx=0; local_idx<cf->dev_count; ++local_idx) { |
| if (cf->dev_info[local_idx].avi == NULL) { |
| adi = &cf->dev_info[local_idx]; |
| break; |
| } |
| } |
| |
| if (!adi) |
| return PJ_ETOOMANY; |
| |
| /* Convert local ID to global id */ |
| status = pjmedia_vid_dev_get_global_index(&cf->base, local_idx, &id); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* Reset */ |
| if (adi->pool) { |
| pj_pool_release(adi->pool); |
| } |
| pj_bzero(adi, sizeof(*adi)); |
| |
| /* Reinit */ |
| PJ_ASSERT_RETURN(p->path.slen, PJ_EINVAL); |
| adi->pool = pj_pool_create(cf->pf, "avidi%p", 512, 512, NULL); |
| |
| |
| /* Open the AVI */ |
| pj_strdup_with_null(adi->pool, &adi->fpath, &p->path); |
| status = pjmedia_avi_player_create_streams(adi->pool, adi->fpath.ptr, 0, |
| &adi->avi); |
| if (status != PJ_SUCCESS) { |
| goto on_error; |
| } |
| |
| adi->vid = pjmedia_avi_streams_get_stream_by_media(adi->avi, 0, |
| PJMEDIA_TYPE_VIDEO); |
| if (!adi->vid) { |
| status = PJMEDIA_EVID_BADFORMAT; |
| PJ_LOG(4,(THIS_FILE, "Error: cannot find video in AVI %s", |
| adi->fpath.ptr)); |
| goto on_error; |
| } |
| |
| pjmedia_format_copy(&avi_fmt, &adi->vid->info.fmt); |
| vfi = pjmedia_get_video_format_info(NULL, avi_fmt.id); |
| /* Check whether the frame is encoded. */ |
| if (!vfi || vfi->bpp == 0) { |
| /* Yes, prepare codec */ |
| const pjmedia_vid_codec_info *codec_info; |
| pjmedia_vid_codec_param codec_param; |
| pjmedia_video_apply_fmt_param vafp; |
| |
| /* Lookup codec */ |
| status = pjmedia_vid_codec_mgr_get_codec_info2(NULL, |
| avi_fmt.id, |
| &codec_info); |
| if (status != PJ_SUCCESS || !codec_info) |
| goto on_error; |
| |
| status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info, |
| &codec_param); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| /* Open codec */ |
| status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info, |
| &adi->codec); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| status = pjmedia_vid_codec_init(adi->codec, adi->pool); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| codec_param.dir = PJMEDIA_DIR_DECODING; |
| codec_param.packing = PJMEDIA_VID_PACKING_WHOLE; |
| status = pjmedia_vid_codec_open(adi->codec, &codec_param); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| /* Allocate buffer */ |
| avi_fmt.id = codec_info->dec_fmt_id[0]; |
| vfi = pjmedia_get_video_format_info(NULL, avi_fmt.id); |
| pj_bzero(&vafp, sizeof(vafp)); |
| vafp.size = avi_fmt.det.vid.size; |
| status = vfi->apply_fmt(vfi, &vafp); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| adi->enc_buf = pj_pool_alloc(adi->pool, vafp.framebytes); |
| adi->enc_buf_size = vafp.framebytes; |
| } |
| |
| /* Calculate title */ |
| if (p->title.slen) { |
| pj_strdup_with_null(adi->pool, &adi->title, &p->title); |
| } else { |
| char *start = p->path.ptr + p->path.slen; |
| pj_str_t tmp; |
| |
| while (start >= p->path.ptr) { |
| if (*start == '/' || *start == '\\') |
| break; |
| --start; |
| } |
| tmp.ptr = start + 1; |
| tmp.slen = p->path.ptr + p->path.slen - tmp.ptr; |
| pj_strdup_with_null(adi->pool, &adi->title, &tmp); |
| } |
| |
| /* Init device info */ |
| pj_ansi_strncpy(adi->info.name, adi->title.ptr, sizeof(adi->info.name)-1); |
| pj_ansi_strncpy(adi->info.driver, DRIVER_NAME, sizeof(adi->info.driver)-1); |
| adi->info.dir = PJMEDIA_DIR_CAPTURE; |
| adi->info.has_callback = PJ_FALSE; |
| |
| adi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT; |
| adi->info.fmt_cnt = 1; |
| pjmedia_format_copy(&adi->info.fmt[0], &avi_fmt); |
| |
| /* Set out vars */ |
| if (p_id) |
| *p_id = id; |
| p->avi_streams = adi->avi; |
| if (p->title.slen == 0) |
| p->title = adi->title; |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| if (adi->codec) { |
| pjmedia_vid_codec_close(adi->codec); |
| adi->codec = NULL; |
| } |
| if (adi->pool) { |
| pj_pool_release(adi->pool); |
| adi->pool = NULL; |
| } |
| pjmedia_avi_dev_free(id); |
| return status; |
| } |
| |
| |
| /* API: create stream */ |
| static pj_status_t avi_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 avi_factory *cf = (struct avi_factory*)f; |
| pj_pool_t *pool = NULL; |
| struct avi_dev_info *adi; |
| struct avi_dev_strm *strm; |
| |
| 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); |
| |
| /* Device must have been configured with pjmedia_avi_dev_set_param() */ |
| adi = &cf->dev_info[param->cap_id]; |
| PJ_ASSERT_RETURN(adi->avi != NULL, PJ_EINVALIDOP); |
| |
| /* Cannot create while stream is already active */ |
| PJ_ASSERT_RETURN(adi->strm==NULL, PJ_EINVALIDOP); |
| |
| /* Create and initialize basic stream descriptor */ |
| pool = pj_pool_create(cf->pf, "avidev%p", 512, 512, NULL); |
| PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| |
| strm = PJ_POOL_ZALLOC_T(pool, struct avi_dev_strm); |
| pj_memcpy(&strm->param, param, sizeof(*param)); |
| strm->pool = pool; |
| pj_memcpy(&strm->vid_cb, cb, sizeof(*cb)); |
| strm->user_data = user_data; |
| strm->adi = adi; |
| |
| pjmedia_format_copy(¶m->fmt, &adi->info.fmt[0]); |
| |
| /* Done */ |
| strm->base.op = &stream_op; |
| adi->strm = strm; |
| *p_vid_strm = &strm->base; |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: Get stream info. */ |
| static pj_status_t avi_dev_strm_get_param(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_param *pi) |
| { |
| struct avi_dev_strm *strm = (struct avi_dev_strm*)s; |
| |
| PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| |
| pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get capability */ |
| static pj_status_t avi_dev_strm_get_cap(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_cap cap, |
| void *pval) |
| { |
| struct avi_dev_strm *strm = (struct avi_dev_strm*)s; |
| |
| PJ_UNUSED_ARG(strm); |
| PJ_UNUSED_ARG(cap); |
| PJ_UNUSED_ARG(pval); |
| |
| PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| |
| return PJMEDIA_EVID_INVCAP; |
| } |
| |
| /* API: set capability */ |
| static pj_status_t avi_dev_strm_set_cap(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_cap cap, |
| const void *pval) |
| { |
| struct avi_dev_strm *strm = (struct avi_dev_strm*)s; |
| |
| PJ_UNUSED_ARG(strm); |
| PJ_UNUSED_ARG(cap); |
| PJ_UNUSED_ARG(pval); |
| |
| PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| |
| return PJMEDIA_EVID_INVCAP; |
| } |
| |
| /* API: Get frame from stream */ |
| static pj_status_t avi_dev_strm_get_frame(pjmedia_vid_dev_stream *strm, |
| pjmedia_frame *frame) |
| { |
| struct avi_dev_strm *stream = (struct avi_dev_strm*)strm; |
| |
| if (stream->adi->codec) { |
| pjmedia_frame enc_frame; |
| pj_status_t status; |
| |
| enc_frame.buf = stream->adi->enc_buf; |
| enc_frame.size = stream->adi->enc_buf_size; |
| status = pjmedia_port_get_frame(stream->adi->vid, &enc_frame); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| return pjmedia_vid_codec_decode(stream->adi->codec, 1, &enc_frame, |
| (unsigned)frame->size, frame); |
| } else { |
| return pjmedia_port_get_frame(stream->adi->vid, frame); |
| } |
| } |
| |
| /* API: Start stream. */ |
| static pj_status_t avi_dev_strm_start(pjmedia_vid_dev_stream *strm) |
| { |
| struct avi_dev_strm *stream = (struct avi_dev_strm*)strm; |
| |
| PJ_UNUSED_ARG(stream); |
| |
| PJ_LOG(4, (THIS_FILE, "Starting avi video stream")); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: Stop stream. */ |
| static pj_status_t avi_dev_strm_stop(pjmedia_vid_dev_stream *strm) |
| { |
| struct avi_dev_strm *stream = (struct avi_dev_strm*)strm; |
| |
| PJ_UNUSED_ARG(stream); |
| |
| PJ_LOG(4, (THIS_FILE, "Stopping avi video stream")); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* API: Destroy stream. */ |
| static pj_status_t avi_dev_strm_destroy(pjmedia_vid_dev_stream *strm) |
| { |
| struct avi_dev_strm *stream = (struct avi_dev_strm*)strm; |
| |
| PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| |
| avi_dev_strm_stop(strm); |
| |
| stream->adi->strm = NULL; |
| stream->adi = NULL; |
| pj_pool_release(stream->pool); |
| |
| return PJ_SUCCESS; |
| } |
| |
| #endif /* PJMEDIA_VIDEO_DEV_HAS_AVI */ |