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/* $Id: aviplay.c 4051 2012-04-13 08:16:30Z ming $ */
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* Copyright (C) 2010-2011 Teluu Inc. (http://www.teluu.com)
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <pjmedia/converter.h>
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#include <pjmedia-codec.h>
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#include <pjlib-util.h>
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* \page page_pjmedia_samples_aviplay_c Samples: Playing AVI File to
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* Video and Sound Devices
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* This is a very simple example to use the @ref PJMEDIA_FILE_PLAY,
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* @ref PJMED_SND_PORT, and @ref PJMEDIA_VID_PORT. In this example, we
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* open the file, video, and sound devices, then connect the file to both
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* video and sound devices to play the contents of the file.
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* This file is pjsip-apps/src/samples/aviplay.c
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* \includelineno aviplay.c
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* Play a AVI file to video and sound devices.
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#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
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/* For logging purpose. */
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#define THIS_FILE "aviplay.c"
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static const char *desc =
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" Demonstrate how to play a AVI file. \n"
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" aviplay FILE.AVI \n";
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pj_uint32_t pjmedia_id;
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/* Do we need to convert the decoded frame? */
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pj_bool_t need_conversion;
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/* If conversion is needed, dst_fmt indicates the destination format */
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pjmedia_format_id dst_fmt;
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} codec_fmts[] = {{PJMEDIA_FORMAT_MJPEG, "mjpeg",
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PJ_TRUE , PJMEDIA_FORMAT_I420},
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{PJMEDIA_FORMAT_H263 , "h263" ,
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{PJMEDIA_FORMAT_MPEG4, "mp4v"},
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{PJMEDIA_FORMAT_H264 , "h264"}
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typedef struct avi_port_t
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pjmedia_vid_port *vid_port;
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pjmedia_snd_port *snd_port;
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pj_bool_t is_quitting;
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typedef struct codec_port_data_t
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pjmedia_vid_codec *codec;
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pjmedia_port *src_port;
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pj_size_t enc_buf_size;
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pjmedia_converter *conv;
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static pj_status_t avi_event_cb(pjmedia_event *event,
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avi_port_t *ap = (avi_port_t *)user_data;
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switch (event->type) {
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case PJMEDIA_EVENT_WND_CLOSED:
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ap->is_quitting = PJ_TRUE;
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case PJMEDIA_EVENT_MOUSE_BTN_DOWN:
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if (ap->is_running) {
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pjmedia_vid_port_stop(ap->vid_port);
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pjmedia_aud_stream_stop(
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pjmedia_snd_port_get_snd_stream(ap->snd_port));
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pjmedia_vid_port_start(ap->vid_port);
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pjmedia_aud_stream_start(
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pjmedia_snd_port_get_snd_stream(ap->snd_port));
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ap->is_running = !ap->is_running;
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/* We handled the event on our own, so return non-PJ_SUCCESS here */
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static pj_status_t codec_get_frame(pjmedia_port *port,
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pjmedia_frame *frame)
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codec_port_data_t *port_data = (codec_port_data_t*)port->port_data.pdata;
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pjmedia_vid_codec *codec = port_data->codec;
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pjmedia_frame enc_frame;
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enc_frame.buf = port_data->enc_buf;
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enc_frame.size = port_data->enc_buf_size;
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if (port_data->conv) {
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pj_size_t frame_size = frame->size;
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status = pjmedia_port_get_frame(port_data->src_port, frame);
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if (status != PJ_SUCCESS) goto on_error;
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status = pjmedia_vid_codec_decode(codec, 1, frame,
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frame->size, &enc_frame);
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if (status != PJ_SUCCESS) goto on_error;
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frame->size = frame_size;
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status = pjmedia_converter_convert(port_data->conv, &enc_frame, frame);
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if (status != PJ_SUCCESS) goto on_error;
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status = pjmedia_port_get_frame(port_data->src_port, &enc_frame);
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if (status != PJ_SUCCESS) goto on_error;
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status = pjmedia_vid_codec_decode(codec, 1, &enc_frame,
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if (status != PJ_SUCCESS) goto on_error;
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pj_perror(3, THIS_FILE, status, "codec_get_frame() error");
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static int aviplay(pj_pool_t *pool, const char *fname)
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pjmedia_vid_port *renderer=NULL;
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pjmedia_vid_port_param param;
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const pjmedia_video_format_info *vfi;
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pjmedia_video_format_detail *vfd;
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pjmedia_snd_port *snd_port = NULL;
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pjmedia_avi_streams *avi_streams;
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pjmedia_avi_stream *vid_stream, *aud_stream;
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pjmedia_port *vid_port = NULL, *aud_port = NULL;
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pjmedia_vid_codec *codec=NULL;
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pj_bzero(&avi_port, sizeof(avi_port));
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status = pjmedia_avi_player_create_streams(pool, fname, 0, &avi_streams);
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if (status != PJ_SUCCESS) {
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PJ_PERROR(2,("", status, " Error playing %s", fname));
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rc = 210; goto on_return;
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vid_stream = pjmedia_avi_streams_get_stream_by_media(avi_streams,
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vid_port = pjmedia_avi_stream_get_port(vid_stream);
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pjmedia_vid_port_param_default(¶m);
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status = pjmedia_vid_dev_default_param(pool,
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PJMEDIA_VID_DEFAULT_RENDER_DEV,
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if (status != PJ_SUCCESS) {
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rc = 220; goto on_return;
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/* Create renderer, set it to active */
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param.active = PJ_TRUE;
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param.vidparam.dir = PJMEDIA_DIR_RENDER;
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vfd = pjmedia_format_get_video_format_detail(&vid_port->info.fmt,
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pjmedia_format_init_video(¶m.vidparam.fmt,
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vid_port->info.fmt.id,
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vfd->size.w, vfd->size.h,
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vfd->fps.num, vfd->fps.denum);
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vfi = pjmedia_get_video_format_info(
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pjmedia_video_format_mgr_instance(),
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vid_port->info.fmt.id);
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/* Check whether the frame is encoded */
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if (!vfi || vfi->bpp == 0) {
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/* Yes, prepare codec */
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pj_str_t codec_id_st;
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unsigned info_cnt = 1, i, k;
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const pjmedia_vid_codec_info *codec_info;
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pj_str_t port_name = {"codec", 5};
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pj_uint8_t *enc_buf = NULL;
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pj_size_t enc_buf_size = 0;
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pjmedia_vid_dev_info rdr_info;
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pjmedia_port codec_port;
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codec_port_data_t codec_port_data;
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pjmedia_vid_codec_param codec_param;
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struct codec_fmt *codecp = NULL;
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for (i = 0; i < sizeof(codec_fmts)/sizeof(codec_fmts[0]); i++) {
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if (vid_port->info.fmt.id == codec_fmts[i].pjmedia_id) {
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codecp = &codec_fmts[i];
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rc = 242; goto on_return;
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pj_cstr(&codec_id_st, codecp->codec_id);
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status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL,
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if (status != PJ_SUCCESS) {
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rc = 245; goto on_return;
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status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info,
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if (status != PJ_SUCCESS) {
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rc = 246; goto on_return;
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pjmedia_format_copy(&codec_param.enc_fmt, ¶m.vidparam.fmt);
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pjmedia_vid_dev_get_info(param.vidparam.rend_id, &rdr_info);
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for (i=0; i<codec_info->dec_fmt_id_cnt; ++i) {
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for (k=0; k<rdr_info.fmt_cnt; ++k) {
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if (codec_info->dec_fmt_id[i]==(int)rdr_info.fmt[k].id)
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param.vidparam.fmt.id = codec_info->dec_fmt_id[i];
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i = codec_info->dec_fmt_id_cnt;
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status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info,
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if (status != PJ_SUCCESS) {
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rc = 250; goto on_return;
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status = pjmedia_vid_codec_init(codec, pool);
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if (status != PJ_SUCCESS) {
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rc = 251; goto on_return;
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pjmedia_format_copy(&codec_param.dec_fmt, ¶m.vidparam.fmt);
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codec_param.dir = PJMEDIA_DIR_DECODING;
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codec_param.packing = PJMEDIA_VID_PACKING_WHOLE;
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status = pjmedia_vid_codec_open(codec, &codec_param);
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if (status != PJ_SUCCESS) {
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rc = 252; goto on_return;
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/* Alloc encoding buffer */
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enc_buf_size = codec_param.dec_fmt.det.vid.size.w *
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codec_param.dec_fmt.det.vid.size.h * 4
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+ 16; /*< padding, just in case */
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enc_buf = pj_pool_alloc(pool,enc_buf_size);
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/* Init codec port */
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pj_bzero(&codec_port, sizeof(codec_port));
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status = pjmedia_port_info_init2(&codec_port.info, &port_name,
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PJMEDIA_DIR_ENCODING,
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&codec_param.dec_fmt);
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if (status != PJ_SUCCESS) {
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rc = 260; goto on_return;
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pj_bzero(&codec_port_data, sizeof(codec_port_data));
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codec_port_data.codec = codec;
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codec_port_data.src_port = vid_port;
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codec_port_data.enc_buf = enc_buf;
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codec_port_data.enc_buf_size = enc_buf_size;
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codec_port.get_frame = &codec_get_frame;
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codec_port.port_data.pdata = &codec_port_data;
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/* Check whether we need to convert the decoded frame */
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if (codecp->need_conversion) {
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pjmedia_conversion_param conv_param;
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pjmedia_format_copy(&conv_param.src, ¶m.vidparam.fmt);
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pjmedia_format_copy(&conv_param.dst, ¶m.vidparam.fmt);
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conv_param.dst.id = codecp->dst_fmt;
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param.vidparam.fmt.id = conv_param.dst.id;
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status = pjmedia_converter_create(NULL, pool, &conv_param,
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&codec_port_data.conv);
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if (status != PJ_SUCCESS) {
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rc = 270; goto on_return;
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status = pjmedia_vid_port_create(pool, ¶m, &renderer);
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if (status != PJ_SUCCESS) {
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rc = 230; goto on_return;
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status = pjmedia_vid_port_connect(renderer, &codec_port,
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status = pjmedia_vid_port_create(pool, ¶m, &renderer);
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if (status != PJ_SUCCESS) {
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rc = 230; goto on_return;
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/* Connect avi port to renderer */
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status = pjmedia_vid_port_connect(renderer, vid_port,
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if (status != PJ_SUCCESS) {
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rc = 240; goto on_return;
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aud_stream = pjmedia_avi_streams_get_stream_by_media(avi_streams,
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aud_port = pjmedia_avi_stream_get_port(aud_stream);
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/* Create sound player port. */
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status = pjmedia_snd_port_create_player(
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-1, /* use default dev. */
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PJMEDIA_PIA_SRATE(&aud_port->info),/* clock rate. */
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PJMEDIA_PIA_CCNT(&aud_port->info), /* # of channels. */
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PJMEDIA_PIA_SPF(&aud_port->info), /* samples per frame. */
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PJMEDIA_PIA_BITS(&aud_port->info), /* bits per sample. */
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&snd_port /* returned port */
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if (status != PJ_SUCCESS) {
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rc = 310; goto on_return;
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/* Connect file port to the sound player.
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* Stream playing will commence immediately.
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status = pjmedia_snd_port_connect(snd_port, aud_port);
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if (status != PJ_SUCCESS) {
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rc = 330; goto on_return;
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pjmedia_vid_dev_cb cb;
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pj_bzero(&cb, sizeof(cb));
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avi_port.snd_port = snd_port;
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avi_port.vid_port = renderer;
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avi_port.is_running = PJ_TRUE;
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pjmedia_vid_port_set_cb(renderer, &cb, &avi_port);
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/* subscribe events */
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pjmedia_event_subscribe(NULL, &avi_event_cb, &avi_port,
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/* Synchronize video rendering and audio playback */
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pjmedia_vid_port_set_clock_src(
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pjmedia_snd_port_get_clock_src(
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snd_port, PJMEDIA_DIR_PLAYBACK));
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/* Start video streaming.. */
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status = pjmedia_vid_port_start(renderer);
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if (status != PJ_SUCCESS) {
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rc = 270; goto on_return;
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while (!avi_port.is_quitting) {
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pj_thread_sleep(100);
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pjmedia_snd_port_disconnect(snd_port);
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/* Without this sleep, Windows/DirectSound will repeteadly
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* play the last frame during destroy.
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pj_thread_sleep(100);
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pjmedia_snd_port_destroy(snd_port);
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pjmedia_event_unsubscribe(NULL, &avi_event_cb, &avi_port,
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pjmedia_vid_port_destroy(renderer);
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pjmedia_port_destroy(aud_port);
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pjmedia_port_destroy(vid_port);
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pjmedia_vid_codec_close(codec);
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pjmedia_vid_codec_mgr_dealloc_codec(NULL, codec);
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static int main_func(int argc, char *argv[])
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pj_status_t status = PJ_SUCCESS;
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puts("Error: filename required");
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/* Must init PJLIB first: */
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PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
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/* Must create a pool factory before we can allocate any memory. */
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pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
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/* Create memory pool for our file player */
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pool = pj_pool_create( &cp.factory, /* pool factory */
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"AVI", /* pool name. */
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4000, /* init size */
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4000, /* increment size */
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NULL /* callback on error */
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pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
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pjmedia_converter_mgr_create(pool, NULL);
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pjmedia_event_mgr_create(pool, 0, NULL);
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pjmedia_vid_codec_mgr_create(pool, NULL);
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status = pjmedia_vid_dev_subsys_init(&cp.factory);
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if (status != PJ_SUCCESS)
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status = pjmedia_aud_subsys_init(&cp.factory);
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if (status != PJ_SUCCESS) {
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#if PJMEDIA_HAS_FFMPEG_VID_CODEC
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status = pjmedia_codec_ffmpeg_vid_init(NULL, &cp.factory);
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if (status != PJ_SUCCESS)
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rc = aviplay(pool, argv[1]);
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* File should be playing and looping now
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/* Without this sleep, Windows/DirectSound will repeteadly
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* play the last frame during destroy.
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pj_thread_sleep(100);
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#if PJMEDIA_HAS_FFMPEG_VID_CODEC
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pjmedia_codec_ffmpeg_vid_deinit();
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pjmedia_aud_subsys_shutdown();
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pjmedia_vid_dev_subsys_shutdown();
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pjmedia_video_format_mgr_destroy(pjmedia_video_format_mgr_instance());
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pjmedia_converter_mgr_destroy(pjmedia_converter_mgr_instance());
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pjmedia_event_mgr_destroy(pjmedia_event_mgr_instance());
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pjmedia_vid_codec_mgr_destroy(pjmedia_vid_codec_mgr_instance());
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/* Release application pool */
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pj_pool_release( pool );
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/* Destroy pool factory */
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pj_caching_pool_destroy( &cp );
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int main(int argc, char *argv[])
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return pj_run_app(&main_func, argc, argv, 0);
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int main(int argc, char *argv[])
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puts("Error: this sample requires video capability (PJMEDIA_HAS_VIDEO == 1)");
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#endif /* PJMEDIA_HAS_VIDEO */