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Diffstat (limited to 'pjmedia/src/pjmedia-videodev/avi_dev.c')
-rw-r--r--pjmedia/src/pjmedia-videodev/avi_dev.c678
1 files changed, 678 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-videodev/avi_dev.c b/pjmedia/src/pjmedia-videodev/avi_dev.c
new file mode 100644
index 0000000..298fb53
--- /dev/null
+++ b/pjmedia/src/pjmedia-videodev/avi_dev.c
@@ -0,0 +1,678 @@
+/* $Id: avi_dev.c 4086 2012-04-26 02:44:41Z ming $ */
+/*
+ * 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(&param->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(&param->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,
+ 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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-25 22:58:30 +0000