WIP add mod_webm, video is working, audio is not
This commit is contained in:
Seven Du
Michael Jerris
parent
66dd1bc8e7
commit
897ec20c99
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@ -0,0 +1,480 @@
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2015, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Seven Du <dujinfang@gmail.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* mod_webm -- webm File Format support using libwebm.
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*
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*/
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#include <switch.h>
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// #include "mkvreader.hpp"
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// #include "mkvparser.hpp"
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// #include "mkvmuxer.hpp"
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#include "mkvwriter.hpp"
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// #include "mkvmuxerutil.hpp"
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// #include "sample_muxer_metadata.h"
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// using mkvmuxer::int64;
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// using mkvmuxer::uint64;
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#ifdef _MSC_VER
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// Disable MSVC warnings that suggest making code non-portable.
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#pragma warning(disable : 4996)
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#endif
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SWITCH_MODULE_LOAD_FUNCTION(mod_webm_load);
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SWITCH_MODULE_DEFINITION(mod_webm, mod_webm_load, NULL, NULL);
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#define IS_VP8_KEY_FRAME(byte) ((((byte) & 0x01) ^ 0x01) ? true : false)
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#define IS_VP9_KEY_FRAME(byte) (((byte) & 0x01) ? true : false)
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struct webm_file_context {
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switch_memory_pool_t *pool;
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mkvmuxer::AudioTrack* audio;
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mkvmuxer::VideoTrack* video;
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uint64_t audio_track_id;
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uint64_t video_track_id;
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switch_codec_t audio_codec;
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switch_codec_t video_codec;
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switch_mutex_t *mutex;
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switch_buffer_t *buf;
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switch_timer_t timer;
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// uint64_t last_pts;
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int offset;
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uint64_t audio_duration;
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int audio_start;
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mkvmuxer::MkvWriter *writer;
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mkvmuxer::Segment *segment;
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};
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typedef struct webm_file_context webm_file_context_t;
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static switch_status_t webm_file_open(switch_file_handle_t *handle, const char *path)
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{
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webm_file_context_t *context;
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char *ext;
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unsigned int flags = 0;
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const char *tmp = NULL;
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if ((ext = strrchr(path, '.')) == 0) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Format\n");
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return SWITCH_STATUS_GENERR;
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}
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ext++;
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if ((context = (webm_file_context_t *)switch_core_alloc(handle->memory_pool, sizeof(webm_file_context_t))) == 0) {
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return SWITCH_STATUS_MEMERR;
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}
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memset(context, 0, sizeof(webm_file_context_t));
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context->offset = -100;
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if (handle->params && (tmp = switch_event_get_header(handle->params, "webmv2_video_offset"))) {
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context->offset = atoi(tmp);
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}
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switch_mutex_init(&context->mutex, SWITCH_MUTEX_NESTED, handle->memory_pool);
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if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
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flags |= SWITCH_FOPEN_WRITE | SWITCH_FOPEN_CREATE;
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if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND) || switch_test_flag(handle, SWITCH_FILE_WRITE_OVER)) {
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flags |= SWITCH_FOPEN_READ;
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} else {
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flags |= SWITCH_FOPEN_TRUNCATE;
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}
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}
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if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
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flags |= SWITCH_FOPEN_READ;
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}
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context->writer = new mkvmuxer::MkvWriter();
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if (!context->writer->Open(path)) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error opening file %s\n", path);
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return SWITCH_STATUS_GENERR;
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}
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context->segment = new mkvmuxer::Segment();
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if (!context->segment || !context->segment->Init(context->writer)) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error init segment\n");
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return SWITCH_STATUS_GENERR;
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}
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// context->segment.set_mode(mkvmuxer::Segment::kLive);
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context->segment->set_mode(mkvmuxer::Segment::kFile);
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context->segment->OutputCues(true);
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mkvmuxer::SegmentInfo* const info = context->segment->GetSegmentInfo();
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info->set_timecode_scale(1000000);
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info->set_writing_app(switch_version_full());
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context->audio_track_id = context->segment->AddAudioTrack(handle->samplerate, handle->channels, 1);
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if (!context->audio_track_id) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error add audio track!\n");
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goto end;
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}
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context->audio = static_cast<mkvmuxer::AudioTrack*>(context->segment->GetTrackByNumber(context->audio_track_id));
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context->audio->set_codec_id("A_OPUS"); // or A_VORBIS
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// context->audio->set_bit_depth(8);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sample rate: %d, channels: %d\n", handle->samplerate, handle->channels);
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handle->format = 0;
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handle->sections = 0;
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handle->seekable = 0;
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handle->speed = 0;
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handle->pos = 0;
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handle->private_info = context;
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context->pool = handle->memory_pool;
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// handle->flags |= SWITCH_FILE_NATIVE;
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Opening File [%s] %dhz %s\n",
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path, handle->samplerate, switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO) ? " with VIDEO" : "");
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if (switch_core_codec_init(&context->audio_codec,
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"OPUS",
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NULL, //"useinbandfec=1; minptime=10; stereo=1",
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handle->samplerate,
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20,//ms
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handle->channels, SWITCH_CODEC_FLAG_ENCODE,
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NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Audio Codec Activation Success\n");
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} else {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Audio Codec Activation Fail\n");
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goto end;
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}
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if (switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO)) {
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if (switch_core_codec_init(&context->video_codec,
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"VP8",
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NULL,
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90000,
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0,//ms
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1, SWITCH_CODEC_FLAG_ENCODE,
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NULL, handle->memory_pool) == SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Video Codec H264 Activation Success\n");
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} else {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Video Codec H264 Activation Fail\n");
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goto end;
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}
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}
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if (1) { // for better quality?
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int bw = 4096;
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switch_core_codec_control(&context->video_codec, SCC_VIDEO_BANDWIDTH, SCCT_INT, (void *)&bw, NULL, NULL);
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}
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switch_buffer_create_dynamic(&context->buf, 512, 512, 1024000);
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return SWITCH_STATUS_SUCCESS;
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end:
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if (context->segment) delete context->segment;
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if (context->writer) delete context->writer;
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return SWITCH_STATUS_FALSE;
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}
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static switch_status_t webm_file_truncate(switch_file_handle_t *handle, int64_t offset)
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{
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webm_file_context_t *context = (webm_file_context_t *)handle->private_info;
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switch_status_t status = SWITCH_STATUS_FALSE;
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return status;
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}
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static switch_status_t webm_file_close(switch_file_handle_t *handle)
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{
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webm_file_context_t *context = (webm_file_context_t *)handle->private_info;
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context->segment->Finalize();
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delete context->segment;
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delete context->writer;
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if (switch_core_codec_ready(&context->audio_codec)) switch_core_codec_destroy(&context->audio_codec);
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if (switch_core_codec_ready(&context->video_codec)) switch_core_codec_destroy(&context->video_codec);
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if (context->timer.interval) {
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switch_core_timer_destroy(&context->timer);
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}
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switch_buffer_destroy(&context->buf);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t webm_file_seek(switch_file_handle_t *handle, unsigned int *cur_sample, int64_t samples, int whence)
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{
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "seek not implemented\n");
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return SWITCH_STATUS_FALSE;
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}
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static switch_status_t webm_file_read(switch_file_handle_t *handle, void *data, size_t *len)
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{
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "read not implemented\n");
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return SWITCH_STATUS_FALSE;
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}
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static switch_status_t webm_file_write(switch_file_handle_t *handle, void *data, size_t *len)
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{
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uint32_t datalen = *len * 2 * handle->channels;
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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uint8_t buf[SWITCH_RECOMMENDED_BUFFER_SIZE];
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uint32_t encoded_rate;
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webm_file_context_t *context = (webm_file_context_t *)handle->private_info;
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uint32_t size = 0;
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context->audio_duration += *len;
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if (switch_test_flag(handle, SWITCH_FILE_NATIVE)) {
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size = datalen;
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memcpy(buf, data, datalen);
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} else {
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switch_core_codec_encode(&context->audio_codec, NULL,
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data, datalen,
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handle->samplerate,
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buf, &size, &encoded_rate, NULL);
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}
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switch_mutex_lock(context->mutex);
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if (!context->timer.interval) {
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switch_core_timer_init(&context->timer, "soft", 1, 1, context->pool);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
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} else if(!context->audio_start) { // try make up some sampels if the video already start
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}
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if (size > 0) {
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// timecode still need to figure out for sync
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switch_core_timer_sync(&context->timer);
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bool ret = context->segment->AddFrame(buf, size, context->audio_track_id, context->timer.samplecount * 1000000, true);
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// bool ret = context->segment->AddFrame((const uint8_t *)data, used, context->audio_track_id, context->audio_duration * 1000000, is_key);
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if (!ret) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error writing audio %d bytes\n", size);
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}
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context->audio_duration = 0;
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}
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switch_mutex_unlock(context->mutex);
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return status;
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}
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static switch_status_t webm_file_read_video(switch_file_handle_t *handle, switch_frame_t *frame, switch_video_read_flag_t flags)
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{
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return SWITCH_STATUS_FALSE;
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}
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static switch_status_t buffer_vp8_packets(webm_file_context_t *context, switch_frame_t *frame, bool *is_keyframe)
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{
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uint8_t *data = (uint8_t *)frame->data;
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uint8_t S;
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uint8_t DES;
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uint8_t PID;
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int len;
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DES = *data;
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data++;
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S = DES & 0x10;
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PID = DES & 0x07;
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if (DES & 0x80) { // X
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uint8_t X = *data;
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data++;
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if (X & 0x80) { // I
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uint8_t M = (*data) & 0x80;
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data++;
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if (M) data++;
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}
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if (X & 0x40) data++; // L
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if (X & 0x30) data++; // T/K
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}
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len = frame->datalen - (data - (uint8_t *)frame->data);
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if (len <= 0) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid packet %d\n", len);
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return SWITCH_STATUS_RESTART;
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}
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if (S && (PID == 0)) {
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*is_keyframe = IS_VP8_KEY_FRAME(*data);
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}
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switch_buffer_write(context->buf, data, len);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t do_write_video(switch_file_handle_t *handle, switch_frame_t *frame)
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{
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uint32_t datalen = frame->datalen;
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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int is_iframe = 0;
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uint8_t *hdr = NULL;
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uint8_t start_bit;
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uint32_t used;
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bool is_key = false;
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webm_file_context_t *context = (webm_file_context_t *)handle->private_info;
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hdr = (uint8_t *)frame->data;
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switch_assert(frame->img);
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// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%02x %02x %02x | len:%d m:%d st:%d i:%d\n", hdr[0], hdr[1], hdr[2], datalen, frame->m, start_bit, is_iframe);
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switch_mutex_lock(context->mutex);
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if (!context->video) {
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context->video_track_id = context->segment->AddVideoTrack(frame->img->d_w, frame->img->d_h, 0);
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if (!context->video_track_id) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error add video track!\n");
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switch_goto_status(SWITCH_STATUS_FALSE, end);
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}
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context->video = static_cast<mkvmuxer::VideoTrack*>(context->segment->GetTrackByNumber(context->video_track_id));
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context->video->SetStereoMode(0);
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context->video->set_codec_id("V_VP8");
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context->video->set_uid(0xDEADBEEF); // debug ?
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}
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buffer_vp8_packets(context, frame, &is_key);
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if (frame->m && (used = switch_buffer_inuse(context->buf))) {
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const void *data;
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int duration = 0;
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if (!context->timer.interval) {
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switch_core_timer_init(&context->timer, "soft", 1, 1, context->pool);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "init timer\n");
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} else {
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switch_core_timer_sync(&context->timer);
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}
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switch_buffer_peek_zerocopy(context->buf, &data);
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// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "samplecount: %u\n", context->timer.samplecount);
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bool ret = false;
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ret = context->segment->AddFrame((const uint8_t *)data, used, context->video_track_id, context->timer.samplecount * 1000000LL, is_key);
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if (!ret) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error add frame %d bytes, timecode: %llu\n", used, context->timer.samplecount * 1000000LL);
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switch_goto_status(SWITCH_STATUS_FALSE, end);
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}
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switch_buffer_zero(context->buf);
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}
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end:
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switch_mutex_unlock(context->mutex);
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return status;
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}
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static switch_status_t webm_file_write_video(switch_file_handle_t *handle, switch_frame_t *frame)
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{
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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switch_status_t encode_status = SWITCH_STATUS_SUCCESS;
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webm_file_context_t *context = (webm_file_context_t *)handle->private_info;
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if (!frame->img) {
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return do_write_video(handle, frame);
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} else {
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switch_frame_t eframe = { 0 };
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uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
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eframe.data = data + 12;
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eframe.datalen = SWITCH_RECOMMENDED_BUFFER_SIZE - 12;
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eframe.img = frame->img;
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do {
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frame->datalen = SWITCH_DEFAULT_VIDEO_SIZE;
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encode_status = switch_core_codec_encode_video(&context->video_codec, &eframe);
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if (encode_status == SWITCH_STATUS_SUCCESS || encode_status == SWITCH_STATUS_MORE_DATA) {
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switch_assert((encode_status == SWITCH_STATUS_SUCCESS && eframe.m) || !eframe.m);
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if (eframe.datalen > 0) status = do_write_video(handle, &eframe);
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}
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} while(status == SWITCH_STATUS_SUCCESS && encode_status == SWITCH_STATUS_MORE_DATA);
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}
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return status;
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}
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static switch_status_t webm_file_set_string(switch_file_handle_t *handle, switch_audio_col_t col, const char *string)
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{
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return SWITCH_STATUS_FALSE;
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}
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static switch_status_t webm_file_get_string(switch_file_handle_t *handle, switch_audio_col_t col, const char **string)
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{
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
static char *supported_formats[2] = { 0 };
|
||||
|
||||
SWITCH_MODULE_LOAD_FUNCTION(mod_webm_load)
|
||||
{
|
||||
switch_file_interface_t *file_interface;
|
||||
|
||||
supported_formats[0] = (char *)"webm";
|
||||
|
||||
/* connect my internal structure to the blank pointer passed to me */
|
||||
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
|
||||
|
||||
file_interface = (switch_file_interface_t *)switch_loadable_module_create_interface(*module_interface, SWITCH_FILE_INTERFACE);
|
||||
file_interface->interface_name = modname;
|
||||
file_interface->extens = supported_formats;
|
||||
file_interface->file_open = webm_file_open;
|
||||
file_interface->file_close = webm_file_close;
|
||||
file_interface->file_truncate = webm_file_truncate;
|
||||
file_interface->file_read = webm_file_read;
|
||||
file_interface->file_write = webm_file_write;
|
||||
file_interface->file_read_video = webm_file_read_video;
|
||||
file_interface->file_write_video = webm_file_write_video;
|
||||
file_interface->file_seek = webm_file_seek;
|
||||
file_interface->file_set_string = webm_file_set_string;
|
||||
file_interface->file_get_string = webm_file_get_string;
|
||||
|
||||
/* indicate that the module should continue to be loaded */
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
/* For Emacs:
|
||||
* Local Variables:
|
||||
* mode:c
|
||||
* indent-tabs-mode:t
|
||||
* tab-width:4
|
||||
* c-basic-offset:4
|
||||
* End:
|
||||
* For VIM:
|
||||
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
|
||||
*/
|
||||
Loading…
Reference in New Issue