1074 lines
39 KiB
C
Executable File
1074 lines
39 KiB
C
Executable File
/*
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* Copyright (C) 2011-2015 Doubango Telecom <http://www.doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO 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 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO 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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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tdav_codec_vp8.c
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* @brief VP8 codec
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* The RTP packetizer/depacketizer follows draft-ietf-payload-vp8 and draft-bankoski-vp8-bitstream-05
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* Google's VP8 (http://www.webmproject.org/) encoder/decoder
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*
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* We require v1.3.0 (2013-12-02 10:37:51) or later. For iOS, because of issue 423 (https://code.google.com/p/doubango/issues/detail?id=423) we require a version after "Mon, 28 Apr 2014 22:42:23 +0100 (14:42 -0700)" integrating fix in http://git.chromium.org/gitweb/?p=webm/libvpx.git;a=commit;h=33df6d1fc1d268b4901b74b4141f83594266f041
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*
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*/
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#include "tinydav/codecs/vpx/tdav_codec_vp8.h"
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#if HAVE_LIBVPX
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#if TDAV_UNDER_WINDOWS
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# include <windows.h>
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#endif
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#include "tinyrtp/rtp/trtp_rtp_packet.h"
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#include "tinymedia/tmedia_params.h"
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#include "tinymedia/tmedia_defaults.h"
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#include "tsk_string.h"
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#include "tsk_memory.h"
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#include "tsk_time.h"
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#include "tsk_debug.h"
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#define VPX_CODEC_DISABLE_COMPAT 1 /* strict compliance with the latest SDK by disabling some backwards compatibility */
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#include <vpx/vpx_encoder.h>
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#include <vpx/vpx_decoder.h>
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#include <vpx/vp8cx.h>
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#include <vpx/vp8dx.h>
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#if !defined(TDAV_VP8_DISABLE_EXTENSION)
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# define TDAV_VP8_DISABLE_EXTENSION 0 /* Set X fied value to zero */
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#endif
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#if TDAV_VP8_DISABLE_EXTENSION
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# define TDAV_VP8_PAY_DESC_SIZE 1
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#else
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# define TDAV_VP8_PAY_DESC_SIZE 4
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#endif
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#define TDAV_SYSTEM_CORES_COUNT 0
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#define TDAV_VP8_GOP_SIZE_IN_SECONDS 60
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#define TDAV_VP8_RTP_PAYLOAD_MAX_SIZE 1050
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#if !defined(TDAV_VP8_MAX_BANDWIDTH_KB)
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# define TDAV_VP8_MAX_BANDWIDTH_KB 6000
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#endif
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#if !defined(TDAV_VP8_MIN_BANDWIDTH_KB)
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# define TDAV_VP8_MIN_BANDWIDTH_KB 100
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#endif
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/* VP8 codec */
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typedef struct tdav_codec_vp8_s {
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TMEDIA_DECLARE_CODEC_VIDEO;
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// Encoder
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struct {
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vpx_codec_enc_cfg_t cfg;
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tsk_bool_t initialized;
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vpx_codec_pts_t pts;
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vpx_codec_ctx_t context;
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unsigned pic_id : 15;
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uint64_t frame_count;
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tsk_bool_t force_idr;
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int rotation;
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struct {
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uint8_t* ptr;
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tsk_size_t size;
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} rtp;
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tsk_mutex_handle_t* mutex;
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} encoder;
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// decoder
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struct {
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vpx_codec_dec_cfg_t cfg;
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unsigned initialized : 1;
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vpx_codec_ctx_t context;
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void* accumulator;
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tsk_size_t accumulator_pos;
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tsk_size_t accumulator_size;
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tsk_size_t first_part_size;
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uint16_t last_seq;
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uint32_t last_timestamp;
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tsk_bool_t idr;
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tsk_bool_t corrupted;
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} decoder;
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}
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tdav_codec_vp8_t;
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#define vp8_interface_enc (vpx_codec_vp8_cx())
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#define vp8_interface_dec (vpx_codec_vp8_dx())
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static int tdav_codec_vp8_open_encoder(tdav_codec_vp8_t* self);
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static int tdav_codec_vp8_open_decoder(tdav_codec_vp8_t* self);
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static int tdav_codec_vp8_close_encoder(tdav_codec_vp8_t* self);
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static int tdav_codec_vp8_close_decoder(tdav_codec_vp8_t* self);
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static void tdav_codec_vp8_encap(tdav_codec_vp8_t* self, const vpx_codec_cx_pkt_t *pkt);
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static void tdav_codec_vp8_rtp_callback(tdav_codec_vp8_t *self, const void *data, tsk_size_t size, uint32_t partID, tsk_bool_t part_start, tsk_bool_t non_ref, tsk_bool_t last);
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/* ============ VP8 Plugin interface ================= */
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static int tdav_codec_vp8_set(tmedia_codec_t* self, const tmedia_param_t* param)
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{
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tdav_codec_vp8_t* vp8 = (tdav_codec_vp8_t*)self;
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vpx_codec_err_t vpx_ret = VPX_CODEC_OK;
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tsk_bool_t reconf = tsk_false;
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if (param->value_type == tmedia_pvt_int32) {
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if (tsk_striequals(param->key, "action")) {
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tmedia_codec_action_t action = (tmedia_codec_action_t)TSK_TO_INT32((uint8_t*)param->value);
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switch (action) {
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case tmedia_codec_action_encode_idr: {
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vp8->encoder.force_idr = tsk_true;
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return 0;
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}
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case tmedia_codec_action_bw_down: {
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vp8->encoder.cfg.rc_target_bitrate = TSK_CLAMP(0, (int32_t)((vp8->encoder.cfg.rc_target_bitrate << 1) / 3), TMEDIA_CODEC(vp8)->bandwidth_max_upload);
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TSK_DEBUG_INFO("New target bitrate = %d kbps", vp8->encoder.cfg.rc_target_bitrate);
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reconf = tsk_true;
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break;
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}
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case tmedia_codec_action_bw_up: {
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vp8->encoder.cfg.rc_target_bitrate = TSK_CLAMP(0, (int32_t)((vp8->encoder.cfg.rc_target_bitrate * 3) >> 1), TMEDIA_CODEC(vp8)->bandwidth_max_upload);
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TSK_DEBUG_INFO("New target bitrate = %d kbps", vp8->encoder.cfg.rc_target_bitrate);
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reconf = tsk_true;
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break;
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}
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}
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}
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else if (tsk_striequals(param->key, "bw_kbps")) { // both up and down (from the SDP)
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int32_t max_bw_userdefine = tmedia_defaults_get_bandwidth_video_upload_max();
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int32_t max_bw_new = *((int32_t*)param->value);
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if (max_bw_userdefine > 0) {
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// do not use more than what the user defined in it's configuration
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TMEDIA_CODEC(vp8)->bandwidth_max_upload = TSK_MIN(max_bw_new, max_bw_userdefine);
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}
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else {
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TMEDIA_CODEC(vp8)->bandwidth_max_upload = max_bw_new;
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}
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vp8->encoder.cfg.rc_target_bitrate = TSK_CLAMP(0, (unsigned int)vp8->encoder.cfg.rc_target_bitrate, (unsigned int)TMEDIA_CODEC(vp8)->bandwidth_max_upload);
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TSK_DEBUG_INFO("New target bitrate = %d kbps", vp8->encoder.cfg.rc_target_bitrate);
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reconf = tsk_true;
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}
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else if (tsk_striequals(param->key, "bandwidth-max-upload")) {
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int32_t bw_max_upload = *((int32_t*)param->value);
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TSK_DEBUG_INFO("VP8 codec: bandwidth-max-upload=%d", bw_max_upload);
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TMEDIA_CODEC(vp8)->bandwidth_max_upload = bw_max_upload;
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reconf = tsk_true;
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}
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else if (tsk_striequals(param->key, "rotation")) {
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// IMPORTANT: changing resolution requires at least libvpx v1.1.0 "Eider"
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int32_t rotation = *((int32_t*)param->value);
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if (vp8->encoder.rotation != rotation) {
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vp8->encoder.rotation = rotation;
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vp8->encoder.cfg.g_w = (rotation == 90 || rotation == 270) ? TMEDIA_CODEC_VIDEO(vp8)->out.height : TMEDIA_CODEC_VIDEO(vp8)->out.width;
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vp8->encoder.cfg.g_h = (rotation == 90 || rotation == 270) ? TMEDIA_CODEC_VIDEO(vp8)->out.width : TMEDIA_CODEC_VIDEO(vp8)->out.height;
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reconf = tsk_true;
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}
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}
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else if (tsk_striequals(param->key, "out-size")) {
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// It's up to the caller to lock the codec or make sure no other code will code encode() function.
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uint32_t new_size = *((uint32_t*)param->value);
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TMEDIA_CODEC_VIDEO(vp8)->out.width = (new_size & 0xFFFF);
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TMEDIA_CODEC_VIDEO(vp8)->out.height = (new_size >> 16) & 0xFFFF;
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vp8->encoder.cfg.g_w = (vp8->encoder.rotation == 90 || vp8->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(vp8)->out.height : TMEDIA_CODEC_VIDEO(self)->out.width;
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vp8->encoder.cfg.g_h = (vp8->encoder.rotation == 90 || vp8->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(vp8)->out.width : TMEDIA_CODEC_VIDEO(self)->out.height;
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reconf = tsk_true;
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}
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}
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if (reconf) {
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if (vp8->encoder.initialized) {
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// The encoder isn't thread safe. Without this lock (and the one in the encode() function) we may have corruptions in the video (issue report from GE).
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// Google says the encoder is thread-safe but this is not the case. But it is *multi-instance* thread-safe.
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tsk_mutex_lock(vp8->encoder.mutex);
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if ((vpx_ret = vpx_codec_enc_config_set(&vp8->encoder.context, &vp8->encoder.cfg)) != VPX_CODEC_OK) {
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TSK_DEBUG_ERROR("vpx_codec_enc_config_set failed with error =%s", vpx_codec_err_to_string(vpx_ret));
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}
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tsk_mutex_unlock(vp8->encoder.mutex);
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}
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return (vpx_ret == VPX_CODEC_OK) ? 0 : -2;
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}
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return -1;
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}
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static int tdav_codec_vp8_open(tmedia_codec_t* self)
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{
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tdav_codec_vp8_t* vp8 = (tdav_codec_vp8_t*)self;
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int ret;
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if (!vp8) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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/* the caller (base class) already checked that the codec is not opened */
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// Encoder
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if ((ret = tdav_codec_vp8_open_encoder(vp8))) {
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return ret;
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}
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// Decoder
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if ((ret = tdav_codec_vp8_open_decoder(vp8))) {
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return ret;
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}
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return ret;
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}
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static int tdav_codec_vp8_close(tmedia_codec_t* self)
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{
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tdav_codec_vp8_t* vp8 = (tdav_codec_vp8_t*)self;
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if (!vp8) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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tdav_codec_vp8_close_encoder(vp8);
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tdav_codec_vp8_close_decoder(vp8);
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return 0;
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}
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static tsk_size_t tdav_codec_vp8_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size)
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{
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tdav_codec_vp8_t* vp8 = (tdav_codec_vp8_t*)self;
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vpx_enc_frame_flags_t flags = 0;
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vpx_codec_err_t vpx_ret = VPX_CODEC_OK;
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const vpx_codec_cx_pkt_t *pkt;
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vpx_codec_iter_t iter = tsk_null;
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vpx_image_t image = {0};
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if (!vp8 || !in_data || !in_size) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return 0;
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}
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if (in_size != (vp8->encoder.context.config.enc->g_w * vp8->encoder.context.config.enc->g_h * 3) >> 1) {
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TSK_DEBUG_ERROR("Invalid size");
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return 0;
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}
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// wrap yuv420 buffer
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if (!vpx_img_wrap(&image, VPX_IMG_FMT_I420, vp8->encoder.context.config.enc->g_w, vp8->encoder.context.config.enc->g_h, 1, (unsigned char*)in_data)) {
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TSK_DEBUG_ERROR("vpx_img_wrap failed");
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return 0;
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}
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// encode data
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++vp8->encoder.pts;
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if (vp8->encoder.force_idr) {
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flags |= VPX_EFLAG_FORCE_KF;
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vp8->encoder.force_idr = tsk_false;
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}
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tsk_mutex_lock(vp8->encoder.mutex); // must
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vpx_ret = vpx_codec_encode(&vp8->encoder.context, &image, vp8->encoder.pts, 1, flags, VPX_DL_REALTIME);
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tsk_mutex_unlock(vp8->encoder.mutex);
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if (vpx_ret != VPX_CODEC_OK) {
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TSK_DEBUG_ERROR("vpx_codec_encode failed with error =%s", vpx_codec_err_to_string(vpx_ret));
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goto bail;
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}
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++vp8->encoder.frame_count;
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++vp8->encoder.pic_id;
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while ((pkt = vpx_codec_get_cx_data(&vp8->encoder.context, &iter))) {
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switch (pkt->kind) {
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case VPX_CODEC_CX_FRAME_PKT: {
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tdav_codec_vp8_encap(vp8, pkt);
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break;
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}
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default:
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case VPX_CODEC_STATS_PKT: /**< Two-pass statistics for this frame */
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case VPX_CODEC_PSNR_PKT: /**< PSNR statistics for this frame */
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case VPX_CODEC_CUSTOM_PKT: { /**< Algorithm extensions */
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TSK_DEBUG_INFO("pkt->kind=%d not supported", (int)pkt->kind);
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break;
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}
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}
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}
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bail:
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vpx_img_free(&image);
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return 0;
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}
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static tsk_size_t tdav_codec_vp8_decode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size, const tsk_object_t* proto_hdr)
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{
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tdav_codec_vp8_t* vp8 = (tdav_codec_vp8_t*)self;
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const trtp_rtp_header_t* rtp_hdr = proto_hdr;
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const uint8_t* pdata = in_data;
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const uint8_t* pdata_end = (pdata + in_size);
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tsk_size_t ret = 0;
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tsk_bool_t fatal_error = tsk_false;
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static const tsk_size_t xmax_size = (3840 * 2160 * 3) >> 3; // >>3 instead of >>1 (not an error)
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uint8_t S, PartID;
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if (!self || !in_data || in_size < 1 || !out_data || !vp8->decoder.initialized) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return 0;
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}
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{ /* 4.2. VP8 Payload Descriptor */
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uint8_t X, R, N, I, L, T, K;//TODO: store
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X = ((*pdata & 0x80) >> 7);
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R = ((*pdata & 0x40) >> 6);
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if (R) {
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TSK_DEBUG_ERROR("R<>0");
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fatal_error = tsk_true;
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goto bail;
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}
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N = ((*pdata & 0x20) >> 5);
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S = ((*pdata & 0x10) >> 4);
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PartID = (*pdata & 0x0F);
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// skip "REQUIRED" header
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if (++pdata >= pdata_end) {
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TSK_DEBUG_ERROR("Too short");
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goto bail;
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}
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// check "OPTIONAL" headers
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if (X) {
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I = (*pdata & 0x80);
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L = (*pdata & 0x40);
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T = (*pdata & 0x20);
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K = (*pdata & 0x10);
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if (++pdata >= pdata_end) {
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TSK_DEBUG_ERROR("Too short");
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goto bail;
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}
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if (I) {
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if (*pdata & 0x80) { // M
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// PictureID on 16bits
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if ((pdata += 2) >= pdata_end) {
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TSK_DEBUG_ERROR("Too short");
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goto bail;
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}
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}
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else {
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// PictureID on 8bits
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if (++pdata >= pdata_end) {
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TSK_DEBUG_ERROR("Too short");
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goto bail;
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}
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}
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}
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if (L) {
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if (++pdata >= pdata_end) {
|
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TSK_DEBUG_ERROR("Too short");
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goto bail;
|
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}
|
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}
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if (T || K) {
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if (++pdata >= pdata_end) {
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TSK_DEBUG_ERROR("Too short");
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goto bail;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
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in_size = (pdata_end - pdata);
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// Packet lost?
|
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if (vp8->decoder.last_seq && (vp8->decoder.last_seq + 1) != rtp_hdr->seq_num) {
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TSK_DEBUG_INFO("[VP8] Packet loss, seq_num=%d", (vp8->decoder.last_seq + 1));
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vp8->decoder.corrupted = tsk_true;
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}
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vp8->decoder.last_seq = rtp_hdr->seq_num;
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// New frame ?
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if (vp8->decoder.last_timestamp != rtp_hdr->timestamp) {
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/* 4.3. VP8 Payload Header
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Note that the header is present only in packets
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which have the S bit equal to one and the PartID equal to zero in the
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payload descriptor. Subsequent packets for the same frame do not
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carry the payload header.
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0 1 2 3 4 5 6 7
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+-+-+-+-+-+-+-+-+
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|Size0|H| VER |P|
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+-+-+-+-+-+-+-+-+
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| Size1 |
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+-+-+-+-+-+-+-+-+
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| Size2 |
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+-+-+-+-+-+-+-+-+
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| Bytes 4..N of |
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| VP8 payload |
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: :
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+-+-+-+-+-+-+-+-+
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| OPTIONAL RTP |
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| padding |
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: :
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+-+-+-+-+-+-+-+-+
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P: Inverse key frame flag. When set to 0 the current frame is a key
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frame. When set to 1 the current frame is an interframe. Defined
|
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in [RFC6386]
|
|
*/
|
|
|
|
// Reset accumulator position
|
|
vp8->decoder.accumulator_pos = 0;
|
|
|
|
// Make sure the header is present
|
|
if (S != 1 || PartID != 0 || in_size < 3) {
|
|
TSK_DEBUG_WARN("VP8 payload header is missing");
|
|
#if 0
|
|
if (in_size < 3)
|
|
#endif
|
|
{
|
|
fatal_error = tsk_true;
|
|
goto bail;
|
|
}
|
|
}
|
|
{
|
|
/* SizeN: The size of the first partition in bytes is calculated from
|
|
the 19 bits in Size0, Size1, and Size2 as 1stPartitionSize = Size0
|
|
+ 8 * Size1 + 2048 * Size2. [RFC6386]. */
|
|
vp8->decoder.first_part_size = ((pdata[0] >> 5) & 0xFF) + 8 * pdata[1] + 2048 * pdata[2];
|
|
}
|
|
|
|
// Starting new frame...reset "corrupted" value
|
|
vp8->decoder.corrupted = tsk_false;
|
|
|
|
// Key frame?
|
|
vp8->decoder.idr = !(pdata[0] & 0x01);
|
|
|
|
// Update timestamp
|
|
vp8->decoder.last_timestamp = rtp_hdr->timestamp;
|
|
}
|
|
|
|
if (in_size > xmax_size) {
|
|
vp8->decoder.accumulator_pos = 0;
|
|
TSK_DEBUG_ERROR("%u too big to contain valid encoded data. xmax_size=%u", (unsigned)in_size, (unsigned)xmax_size);
|
|
fatal_error = tsk_true;
|
|
goto bail;
|
|
}
|
|
// start-accumulator
|
|
if (!vp8->decoder.accumulator) {
|
|
if (!(vp8->decoder.accumulator = tsk_calloc(in_size, sizeof(uint8_t)))) {
|
|
TSK_DEBUG_ERROR("Failed to allocated new buffer");
|
|
fatal_error = tsk_true;
|
|
goto bail;
|
|
}
|
|
vp8->decoder.accumulator_size = in_size;
|
|
}
|
|
if ((vp8->decoder.accumulator_pos + in_size) >= xmax_size) {
|
|
TSK_DEBUG_ERROR("BufferOverflow");
|
|
vp8->decoder.accumulator_pos = 0;
|
|
fatal_error = tsk_true;
|
|
goto bail;
|
|
}
|
|
if ((vp8->decoder.accumulator_pos + in_size) > vp8->decoder.accumulator_size) {
|
|
if (!(vp8->decoder.accumulator = tsk_realloc(vp8->decoder.accumulator, (vp8->decoder.accumulator_pos + in_size)))) {
|
|
TSK_DEBUG_ERROR("Failed to reallocated new buffer");
|
|
vp8->decoder.accumulator_pos = 0;
|
|
vp8->decoder.accumulator_size = 0;
|
|
fatal_error = tsk_true;
|
|
goto bail;
|
|
}
|
|
vp8->decoder.accumulator_size = (vp8->decoder.accumulator_pos + in_size);
|
|
}
|
|
|
|
memcpy(&((uint8_t*)vp8->decoder.accumulator)[vp8->decoder.accumulator_pos], pdata, in_size);
|
|
vp8->decoder.accumulator_pos += in_size;
|
|
// end-accumulator
|
|
|
|
// Decode the frame if we have a marker or the first partition is complete and not corrupted
|
|
if (rtp_hdr->marker /*|| (!vp8->decoder.corrupted && vp8->decoder.first_part_size == vp8->decoder.accumulator_pos)*/) {
|
|
vpx_image_t *img;
|
|
vpx_codec_iter_t iter = tsk_null;
|
|
vpx_codec_err_t vpx_ret;
|
|
const uint8_t* pay_ptr = (const uint8_t*)vp8->decoder.accumulator;
|
|
const tsk_size_t pay_size = vp8->decoder.accumulator_pos;
|
|
|
|
// in all cases: reset accumulator position
|
|
vp8->decoder.accumulator_pos = 0;
|
|
|
|
#if 0 /* http://groups.google.com/a/webmproject.org/group/apps-devel/browse_thread/thread/c84438e70fe122fa/2dfc322018aa22a8 */
|
|
// libvpx will crash very ofen when the frame is corrupted => for now we decided not to decode such frame
|
|
// according to the latest release there is a function to check if the frame
|
|
// is corrupted or not => To be checked
|
|
if(vp8->decoder.corrupted) {
|
|
vp8->decoder.corrupted = tsk_false;
|
|
goto bail;
|
|
}
|
|
#endif
|
|
|
|
if (pay_size < vp8->decoder.first_part_size) {
|
|
TSK_DEBUG_WARN("[VP8] No enough bytes for the first part: %u < %u", (unsigned)pay_size, (unsigned)vp8->decoder.first_part_size);
|
|
// Not a fatal error
|
|
goto bail;
|
|
}
|
|
|
|
vpx_ret = vpx_codec_decode(&vp8->decoder.context, pay_ptr, (int)pay_size, tsk_null, 0);
|
|
|
|
if (vpx_ret != VPX_CODEC_OK) {
|
|
TSK_DEBUG_INFO("vpx_codec_decode failed with error =%s", vpx_codec_err_to_string(vpx_ret));
|
|
fatal_error = tsk_true;
|
|
goto bail;
|
|
}
|
|
else if (vp8->decoder.idr) {
|
|
TSK_DEBUG_INFO("Decoded VP8 IDR");
|
|
if (TMEDIA_CODEC_VIDEO(self)->in.callback) {
|
|
TMEDIA_CODEC_VIDEO(self)->in.result.type = tmedia_video_decode_result_type_idr;
|
|
TMEDIA_CODEC_VIDEO(self)->in.result.proto_hdr = proto_hdr;
|
|
TMEDIA_CODEC_VIDEO(self)->in.callback(&TMEDIA_CODEC_VIDEO(self)->in.result);
|
|
}
|
|
}
|
|
|
|
// copy decoded data
|
|
ret = 0;
|
|
while ((img = vpx_codec_get_frame(&vp8->decoder.context, &iter))) {
|
|
unsigned int plane, y;
|
|
tsk_size_t xsize;
|
|
|
|
// update sizes
|
|
TMEDIA_CODEC_VIDEO(vp8)->in.width = img->d_w;
|
|
TMEDIA_CODEC_VIDEO(vp8)->in.height = img->d_h;
|
|
xsize = (TMEDIA_CODEC_VIDEO(vp8)->in.width * TMEDIA_CODEC_VIDEO(vp8)->in.height * 3) >> 1;
|
|
// allocate destination buffer
|
|
if (*out_max_size < xsize) {
|
|
if (!(*out_data = tsk_realloc(*out_data, xsize))) {
|
|
TSK_DEBUG_ERROR("Failed to allocate new buffer");
|
|
*out_max_size = 0;
|
|
goto bail;
|
|
}
|
|
*out_max_size = xsize;
|
|
}
|
|
|
|
// layout picture
|
|
for (plane = 0; plane < 3; plane++) {
|
|
unsigned char *buf = img->planes[plane];
|
|
for (y = 0; y < img->d_h >> (plane ? 1 : 0); y++) {
|
|
unsigned int w_count = img->d_w >> (plane ? 1 : 0);
|
|
if ((ret + w_count) > *out_max_size) {
|
|
TSK_DEBUG_ERROR("BufferOverflow");
|
|
ret = 0;
|
|
goto bail;
|
|
}
|
|
memcpy(((uint8_t*)*out_data) + ret, buf, w_count);
|
|
ret += w_count;
|
|
buf += img->stride[plane];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bail:
|
|
if (fatal_error && TMEDIA_CODEC_VIDEO(self)->in.callback) {
|
|
TMEDIA_CODEC_VIDEO(self)->in.result.type = tmedia_video_decode_result_type_error;
|
|
TMEDIA_CODEC_VIDEO(self)->in.result.proto_hdr = proto_hdr;
|
|
TMEDIA_CODEC_VIDEO(self)->in.callback(&TMEDIA_CODEC_VIDEO(self)->in.result);
|
|
}
|
|
|
|
// vp8->decoder.last_PartID = PartID;
|
|
// vp8->decoder.last_S = S;
|
|
// vp8->decoder.last_N = N;
|
|
return ret;
|
|
}
|
|
|
|
static tsk_bool_t tdav_codec_vp8_sdp_att_match(const tmedia_codec_t* codec, const char* att_name, const char* att_value)
|
|
{
|
|
#if 0
|
|
if(tsk_striequals(att_name, "fmtp")) {
|
|
unsigned width, height, fps;
|
|
if(tmedia_parse_video_fmtp(att_value, TMEDIA_CODEC_VIDEO(codec)->pref_size, &width, &height, &fps)) {
|
|
TSK_DEBUG_ERROR("Failed to match fmtp=%s", att_value);
|
|
return tsk_false;
|
|
}
|
|
TMEDIA_CODEC_VIDEO(codec)->in.width = TMEDIA_CODEC_VIDEO(codec)->out.width = width;
|
|
TMEDIA_CODEC_VIDEO(codec)->in.height = TMEDIA_CODEC_VIDEO(codec)->out.height = height;
|
|
TMEDIA_CODEC_VIDEO(codec)->in.fps = TMEDIA_CODEC_VIDEO(codec)->out.fps = fps;
|
|
}
|
|
else
|
|
#endif
|
|
if (tsk_striequals(att_name, "imageattr")) {
|
|
unsigned in_width, in_height, out_width, out_height;
|
|
if (tmedia_parse_video_imageattr(att_value, TMEDIA_CODEC_VIDEO(codec)->pref_size, &in_width, &in_height, &out_width, &out_height) != 0) {
|
|
return tsk_false;
|
|
}
|
|
TMEDIA_CODEC_VIDEO(codec)->in.width = in_width;
|
|
TMEDIA_CODEC_VIDEO(codec)->in.height = in_height;
|
|
TMEDIA_CODEC_VIDEO(codec)->out.width = out_width;
|
|
TMEDIA_CODEC_VIDEO(codec)->out.height = out_height;
|
|
// clamp the output size to the defined max range
|
|
if (tmedia_defaults_get_adapt_video_size_range_enabled()) {
|
|
if (tmedia_codec_video_clamp_out_size_to_range_max(TMEDIA_CODEC_VIDEO(codec)) != 0) {
|
|
return tsk_false;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
return tsk_true;
|
|
}
|
|
|
|
static char* tdav_codec_vp8_sdp_att_get(const tmedia_codec_t* codec, const char* att_name)
|
|
{
|
|
#if 0
|
|
if(tsk_striequals(att_name, "fmtp")) {
|
|
return tmedia_get_video_fmtp(TMEDIA_CODEC_VIDEO(codec)->pref_size);
|
|
}
|
|
else
|
|
#endif
|
|
if (tsk_striequals(att_name, "imageattr")) {
|
|
return tmedia_get_video_imageattr(TMEDIA_CODEC_VIDEO(codec)->pref_size,
|
|
TMEDIA_CODEC_VIDEO(codec)->in.width, TMEDIA_CODEC_VIDEO(codec)->in.height, TMEDIA_CODEC_VIDEO(codec)->out.width, TMEDIA_CODEC_VIDEO(codec)->out.height);
|
|
}
|
|
return tsk_null;
|
|
}
|
|
|
|
/* ============ VP8 object definition ================= */
|
|
|
|
/* constructor */
|
|
static tsk_object_t* tdav_codec_vp8_ctor(tsk_object_t * self, va_list * app)
|
|
{
|
|
tdav_codec_vp8_t *vp8 = self;
|
|
if (vp8) {
|
|
/* init base: called by tmedia_codec_create() */
|
|
/* init self */
|
|
}
|
|
return self;
|
|
}
|
|
/* destructor */
|
|
static tsk_object_t* tdav_codec_vp8_dtor(tsk_object_t * self)
|
|
{
|
|
tdav_codec_vp8_t *vp8 = self;
|
|
TSK_DEBUG_INFO("*** tdav_codec_vp8_dtor destroyed ***");
|
|
if (vp8) {
|
|
/* deinit base */
|
|
tmedia_codec_video_deinit(vp8);
|
|
/* deinit self */
|
|
tdav_codec_vp8_close_encoder(vp8);
|
|
tdav_codec_vp8_close_decoder(vp8);
|
|
}
|
|
|
|
return self;
|
|
}
|
|
/* object definition */
|
|
static const tsk_object_def_t tdav_codec_vp8_def_s = {
|
|
sizeof(tdav_codec_vp8_t),
|
|
tdav_codec_vp8_ctor,
|
|
tdav_codec_vp8_dtor,
|
|
tmedia_codec_cmp,
|
|
};
|
|
/* plugin definition*/
|
|
static const tmedia_codec_plugin_def_t tdav_codec_vp8_plugin_def_s = {
|
|
&tdav_codec_vp8_def_s,
|
|
|
|
tmedia_video,
|
|
tmedia_codec_id_vp8,
|
|
"VP8",
|
|
"VP8 codec (libvpx)",
|
|
TMEDIA_CODEC_FORMAT_VP8,
|
|
tsk_true,
|
|
90000, // rate
|
|
|
|
/* audio */
|
|
{ 0 },
|
|
|
|
/* video (defaul width,height,fps) */
|
|
{ 176, 144, 0 }, // fps is @deprecated
|
|
|
|
tdav_codec_vp8_set,
|
|
tdav_codec_vp8_open,
|
|
tdav_codec_vp8_close,
|
|
tdav_codec_vp8_encode,
|
|
tdav_codec_vp8_decode,
|
|
tdav_codec_vp8_sdp_att_match,
|
|
tdav_codec_vp8_sdp_att_get
|
|
};
|
|
const tmedia_codec_plugin_def_t *tdav_codec_vp8_plugin_def_t = &tdav_codec_vp8_plugin_def_s;
|
|
|
|
/* ============ Internal functions ================= */
|
|
|
|
int tdav_codec_vp8_open_encoder(tdav_codec_vp8_t* self)
|
|
{
|
|
vpx_codec_err_t vpx_ret;
|
|
vpx_enc_frame_flags_t enc_flags = 0; // VPX_EFLAG_XXX
|
|
|
|
if (self->encoder.initialized) {
|
|
TSK_DEBUG_ERROR("VP8 encoder already inialized");
|
|
return -1;
|
|
}
|
|
|
|
if ((vpx_ret = vpx_codec_enc_config_default(vp8_interface_enc, &self->encoder.cfg, 0)) != VPX_CODEC_OK) {
|
|
TSK_DEBUG_ERROR("vpx_codec_enc_config_default failed with error =%s", vpx_codec_err_to_string(vpx_ret));
|
|
return -2;
|
|
}
|
|
self->encoder.cfg.g_timebase.num = 1;
|
|
self->encoder.cfg.g_timebase.den = TMEDIA_CODEC_VIDEO(self)->out.fps;
|
|
self->encoder.cfg.rc_target_bitrate = TSK_CLAMP(
|
|
1,
|
|
tmedia_get_video_bandwidth_kbps_2(TMEDIA_CODEC_VIDEO(self)->out.width, TMEDIA_CODEC_VIDEO(self)->out.height, TMEDIA_CODEC_VIDEO(self)->out.fps),
|
|
TMEDIA_CODEC(self)->bandwidth_max_upload
|
|
);
|
|
self->encoder.cfg.g_w = (self->encoder.rotation == 90 || self->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(self)->out.height : TMEDIA_CODEC_VIDEO(self)->out.width;
|
|
self->encoder.cfg.g_h = (self->encoder.rotation == 90 || self->encoder.rotation == 270) ? TMEDIA_CODEC_VIDEO(self)->out.width : TMEDIA_CODEC_VIDEO(self)->out.height;
|
|
self->encoder.cfg.kf_mode = VPX_KF_AUTO;
|
|
/*self->encoder.cfg.kf_min_dist =*/ self->encoder.cfg.kf_max_dist = (TDAV_VP8_GOP_SIZE_IN_SECONDS * TMEDIA_CODEC_VIDEO(self)->out.fps);
|
|
#if defined(VPX_ERROR_RESILIENT_DEFAULT)
|
|
self->encoder.cfg.g_error_resilient = VPX_ERROR_RESILIENT_DEFAULT;
|
|
#else
|
|
self->encoder.cfg.g_error_resilient = 1;
|
|
#endif
|
|
#if defined(VPX_ERROR_RESILIENT_PARTITIONS)
|
|
self->encoder.cfg.g_error_resilient |= VPX_ERROR_RESILIENT_PARTITIONS;
|
|
#endif
|
|
#if defined(VPX_CODEC_USE_OUTPUT_PARTITION)
|
|
enc_flags |= VPX_CODEC_USE_OUTPUT_PARTITION;
|
|
#endif
|
|
self->encoder.cfg.g_lag_in_frames = 0;
|
|
#if TDAV_UNDER_WINDOWS
|
|
{
|
|
SYSTEM_INFO SystemInfo;
|
|
GetSystemInfo(&SystemInfo);
|
|
self->encoder.cfg.g_threads = SystemInfo.dwNumberOfProcessors;
|
|
}
|
|
#endif
|
|
self->encoder.cfg.rc_end_usage = VPX_CBR;
|
|
self->encoder.cfg.g_pass = VPX_RC_ONE_PASS;
|
|
#if 0
|
|
self->encoder.cfg.rc_dropframe_thresh = 30;
|
|
self->encoder.cfg.rc_resize_allowed = 0;
|
|
self->encoder.cfg.rc_min_quantizer = 2;
|
|
self->encoder.cfg.rc_max_quantizer = 56;
|
|
self->encoder.cfg.rc_undershoot_pct = 100;
|
|
self->encoder.cfg.rc_overshoot_pct = 15;
|
|
self->encoder.cfg.rc_buf_initial_sz = 500;
|
|
self->encoder.cfg.rc_buf_optimal_sz = 600;
|
|
self->encoder.cfg.rc_buf_sz = 1000;
|
|
#endif
|
|
|
|
if ((vpx_ret = vpx_codec_enc_init(&self->encoder.context, vp8_interface_enc, &self->encoder.cfg, enc_flags)) != VPX_CODEC_OK) {
|
|
TSK_DEBUG_ERROR("vpx_codec_enc_init failed with error =%s", vpx_codec_err_to_string(vpx_ret));
|
|
return -3;
|
|
}
|
|
self->encoder.pic_id = /*(rand() ^ rand()) % 0x7FFF*/0/*Use zero: why do you want to make your life harder?*/;
|
|
|
|
/* vpx_codec_control(&self->encoder.context, VP8E_SET_STATIC_THRESHOLD, 800); */
|
|
#if !TDAV_UNDER_MOBILE /* must not remove: crash on Android for sure and probably on iOS also (all ARM devices ?) */
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_NOISE_SENSITIVITY, 2);
|
|
#elif TDAV_UNDER_WINDOWS_CE
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_NOISE_SENSITIVITY, 16);
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_CPUUSED, 16);
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_STATIC_THRESHOLD, 16);
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_SHARPNESS, 16);
|
|
#endif
|
|
|
|
// Set number of partitions
|
|
#if defined(VPX_CODEC_USE_OUTPUT_PARTITION)
|
|
{
|
|
unsigned _s = TMEDIA_CODEC_VIDEO(self)->out.height * TMEDIA_CODEC_VIDEO(self)->out.width;
|
|
if (_s < (352 * 288)) {
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_TOKEN_PARTITIONS, VP8_ONE_TOKENPARTITION);
|
|
}
|
|
else if (_s < (352 * 288) * 2 * 2) {
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_TOKEN_PARTITIONS, VP8_TWO_TOKENPARTITION);
|
|
}
|
|
else if (_s < (352 * 288) * 4 * 4) {
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_TOKEN_PARTITIONS, VP8_FOUR_TOKENPARTITION);
|
|
}
|
|
else if (_s < (352 * 288) * 8 * 8) {
|
|
vpx_codec_control(&self->encoder.context, VP8E_SET_TOKEN_PARTITIONS, VP8_EIGHT_TOKENPARTITION);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Create the mutex if not already done
|
|
if (!self->encoder.mutex && !(self->encoder.mutex = tsk_mutex_create())) {
|
|
vpx_codec_destroy(&self->encoder.context);
|
|
TSK_DEBUG_ERROR("Failed to create mutex");
|
|
return -4;
|
|
}
|
|
|
|
self->encoder.frame_count = 0;
|
|
|
|
self->encoder.initialized = tsk_true;
|
|
|
|
TSK_DEBUG_INFO("[VP8] target_bitrate=%d kbps", self->encoder.cfg.rc_target_bitrate);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tdav_codec_vp8_open_decoder(tdav_codec_vp8_t* self)
|
|
{
|
|
vpx_codec_err_t vpx_ret;
|
|
vpx_codec_caps_t dec_caps;
|
|
vpx_codec_flags_t dec_flags = 0;
|
|
#if !TDAV_UNDER_MOBILE
|
|
static vp8_postproc_cfg_t __pp = { VP8_DEBLOCK | VP8_DEMACROBLOCK, 4, 0 };
|
|
#endif
|
|
|
|
if (self->decoder.initialized) {
|
|
TSK_DEBUG_ERROR("VP8 decoder already initialized");
|
|
return -1;
|
|
}
|
|
|
|
self->decoder.cfg.w = TMEDIA_CODEC_VIDEO(self)->out.width;
|
|
self->decoder.cfg.h = TMEDIA_CODEC_VIDEO(self)->out.height;
|
|
#if TDAV_UNDER_WINDOWS
|
|
{
|
|
SYSTEM_INFO SystemInfo;
|
|
GetSystemInfo(&SystemInfo);
|
|
self->decoder.cfg.threads = SystemInfo.dwNumberOfProcessors;
|
|
}
|
|
#endif
|
|
|
|
dec_caps = vpx_codec_get_caps(&vpx_codec_vp8_dx_algo);
|
|
#if !TDAV_UNDER_MOBILE
|
|
if (dec_caps & VPX_CODEC_CAP_POSTPROC) {
|
|
dec_flags |= VPX_CODEC_USE_POSTPROC;
|
|
}
|
|
#endif
|
|
#if defined(VPX_CODEC_CAP_ERROR_CONCEALMENT)
|
|
if (dec_caps & VPX_CODEC_CAP_ERROR_CONCEALMENT) {
|
|
dec_flags |= VPX_CODEC_USE_ERROR_CONCEALMENT;
|
|
}
|
|
#endif
|
|
|
|
if ((vpx_ret = vpx_codec_dec_init(&self->decoder.context, vp8_interface_dec, &self->decoder.cfg, dec_flags)) != VPX_CODEC_OK) {
|
|
TSK_DEBUG_ERROR("vpx_codec_dec_init failed with error =%s", vpx_codec_err_to_string(vpx_ret));
|
|
return -4;
|
|
}
|
|
#if !TDAV_UNDER_MOBILE
|
|
if ((vpx_ret = vpx_codec_control(&self->decoder.context, VP8_SET_POSTPROC, &__pp))) {
|
|
TSK_DEBUG_WARN("vpx_codec_dec_init failed with error =%s", vpx_codec_err_to_string(vpx_ret));
|
|
}
|
|
#endif
|
|
self->decoder.initialized = tsk_true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tdav_codec_vp8_close_encoder(tdav_codec_vp8_t* self)
|
|
{
|
|
TSK_DEBUG_INFO("tdav_codec_vp8_close_encoder(begin)");
|
|
if (self->encoder.initialized) {
|
|
vpx_codec_destroy(&self->encoder.context);
|
|
self->encoder.initialized = tsk_false;
|
|
}
|
|
if (self->encoder.mutex) {
|
|
tsk_mutex_destroy(&self->encoder.mutex);
|
|
}
|
|
TSK_FREE(self->encoder.rtp.ptr);
|
|
self->encoder.rtp.size = 0;
|
|
self->encoder.rotation = 0; // reset rotation
|
|
TSK_DEBUG_INFO("tdav_codec_vp8_close_encoder(end)");
|
|
return 0;
|
|
}
|
|
|
|
int tdav_codec_vp8_close_decoder(tdav_codec_vp8_t* self)
|
|
{
|
|
TSK_DEBUG_INFO("tdav_codec_vp8_close_decoder(begin)");
|
|
if (self->decoder.initialized) {
|
|
vpx_codec_destroy(&self->decoder.context);
|
|
self->decoder.initialized = tsk_false;
|
|
}
|
|
TSK_FREE(self->decoder.accumulator);
|
|
self->decoder.accumulator_size = 0;
|
|
self->decoder.accumulator_pos = 0;
|
|
TSK_DEBUG_INFO("tdav_codec_vp8_close_decoder(end)");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ============ VP8 RTP packetizer/depacketizer ================= */
|
|
|
|
|
|
static void tdav_codec_vp8_encap(tdav_codec_vp8_t* self, const vpx_codec_cx_pkt_t *pkt)
|
|
{
|
|
tsk_bool_t non_ref, is_keyframe, part_start;
|
|
uint8_t *frame_ptr;
|
|
uint32_t part_size, part_ID, pkt_size, index;
|
|
|
|
if (!self || !pkt || !pkt->data.frame.buf || !pkt->data.frame.sz) {
|
|
TSK_DEBUG_ERROR("Invalid parameter");
|
|
return;
|
|
}
|
|
|
|
index = 0;
|
|
frame_ptr = pkt->data.frame.buf;
|
|
pkt_size = (uint32_t)pkt->data.frame.sz;
|
|
non_ref = (pkt->data.frame.flags & VPX_FRAME_IS_DROPPABLE);
|
|
is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY);
|
|
|
|
|
|
#if defined(VPX_CODEC_USE_OUTPUT_PARTITION)
|
|
part_ID = pkt->data.frame.partition_id;
|
|
part_start = tsk_true;
|
|
part_size = pkt_size;
|
|
while (index < part_size) {
|
|
uint32_t frag_size = TSK_MIN(TDAV_VP8_RTP_PAYLOAD_MAX_SIZE, (part_size - index));
|
|
tdav_codec_vp8_rtp_callback(
|
|
self,
|
|
&frame_ptr[index],
|
|
frag_size,
|
|
part_ID,
|
|
part_start,
|
|
non_ref,
|
|
((pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT) == 0 && (index + frag_size) == part_size) // RTP marker?
|
|
);
|
|
part_start = tsk_false;
|
|
index += frag_size;
|
|
}
|
|
#else
|
|
// first partition (contains modes and motion vectors)
|
|
part_ID = 0; // The first VP8 partition(containing modes and motion vectors) MUST be labeled with PartID = 0
|
|
part_start = tsk_true;
|
|
part_size = (frame_ptr[2] << 16) | (frame_ptr[1] << 8) | frame_ptr[0];
|
|
part_size = (part_size >> 5) & 0x7FFFF;
|
|
if (part_size > pkt_size) {
|
|
TSK_DEBUG_ERROR("part_size is > pkt_size(%u,%u)", part_size, pkt_size);
|
|
return;
|
|
}
|
|
|
|
// first,first,....partitions (or fragment if part_size > TDAV_VP8_RTP_PAYLOAD_MAX_SIZE)
|
|
while (index<part_size) {
|
|
uint32_t frag_size = TSK_MIN(TDAV_VP8_RTP_PAYLOAD_MAX_SIZE, (part_size - index));
|
|
tdav_codec_vp8_rtp_callback(self, &frame_ptr[index], frag_size, part_ID, part_start, non_ref, tsk_false);
|
|
part_start = tsk_false;
|
|
index += frag_size;
|
|
}
|
|
|
|
// second,third,... partitions (or fragment if part_size > TDAV_VP8_RTP_PAYLOAD_MAX_SIZE)
|
|
// FIXME: low FEC
|
|
part_start = tsk_true;
|
|
while (index<pkt_size) {
|
|
if (part_start) {
|
|
/* PartID SHOULD be incremented for each subsequent partition,
|
|
but MAY be kept at 0 for all packets. PartID MUST NOT be larger
|
|
than 8.
|
|
*/
|
|
part_ID++;
|
|
}
|
|
part_size = TSK_MIN(TDAV_VP8_RTP_PAYLOAD_MAX_SIZE, (pkt_size - index));
|
|
|
|
tdav_codec_vp8_rtp_callback(self, &frame_ptr[index], part_size, part_ID, part_start, non_ref, (index + part_size)==pkt_size);
|
|
index += part_size;
|
|
/*
|
|
If more than one packet in an encoded frame contains the
|
|
same PartID, the S bit MUST NOT be set for any other packet than
|
|
the first packet with that PartID.
|
|
*/
|
|
part_start = tsk_false;
|
|
}
|
|
#endif /* VPX_CODEC_USE_OUTPUT_PARTITION */
|
|
}
|
|
|
|
static void tdav_codec_vp8_rtp_callback(tdav_codec_vp8_t *self, const void *data, tsk_size_t size, uint32_t partID, tsk_bool_t part_start, tsk_bool_t non_ref, tsk_bool_t last)
|
|
{
|
|
tsk_size_t paydesc_and_hdr_size = TDAV_VP8_PAY_DESC_SIZE;
|
|
tsk_bool_t has_hdr;
|
|
/* draft-ietf-payload-vp8-04 - 4.2. VP8 Payload Descriptor
|
|
0 1 2 3 4 5 6 7
|
|
+-+-+-+-+-+-+-+-+
|
|
|X|R|N|S|PartID | (REQUIRED)
|
|
+-+-+-+-+-+-+-+-+
|
|
X: |I|L|T|K| RSV | (OPTIONAL)
|
|
+-+-+-+-+-+-+-+-+
|
|
I: |M| PictureID | (OPTIONAL)
|
|
+-+-+-+-+-+-+-+-+
|
|
L: | TL0PICIDX | (OPTIONAL)
|
|
+-+-+-+-+-+-+-+-+
|
|
T/K: |TID|Y| KEYIDX | (OPTIONAL)
|
|
+-+-+-+-+-+-+-+-+
|
|
|
|
draft-ietf-payload-vp8-04 - 4.3. VP8 Payload Header
|
|
0 1 2 3 4 5 6 7
|
|
+-+-+-+-+-+-+-+-+
|
|
|Size0|H| VER |P|
|
|
+-+-+-+-+-+-+-+-+
|
|
| Size1 |
|
|
+-+-+-+-+-+-+-+-+
|
|
| Size2 |
|
|
+-+-+-+-+-+-+-+-+
|
|
| Bytes 4..N of |
|
|
| VP8 payload |
|
|
: :
|
|
+-+-+-+-+-+-+-+-+
|
|
| OPTIONAL RTP |
|
|
| padding |
|
|
: :
|
|
+-+-+-+-+-+-+-+-+
|
|
*/
|
|
|
|
/*
|
|
Note that the header is present only in packets which have the S bit equal to one and the
|
|
PartID equal to zero in the payload descriptor.
|
|
*/
|
|
if ((has_hdr = (part_start && partID == 0))) {
|
|
has_hdr = tsk_true;
|
|
paydesc_and_hdr_size += 0; // encoded data already contains payload header?
|
|
}
|
|
|
|
if (!data || !size) {
|
|
TSK_DEBUG_ERROR("Invalid parameter");
|
|
return;
|
|
}
|
|
if (self->encoder.rtp.size < (size + paydesc_and_hdr_size)) {
|
|
if (!(self->encoder.rtp.ptr = tsk_realloc(self->encoder.rtp.ptr, (size + paydesc_and_hdr_size)))) {
|
|
TSK_DEBUG_ERROR("Failed to allocate new buffer");
|
|
return;
|
|
}
|
|
self->encoder.rtp.size = (size + paydesc_and_hdr_size);
|
|
}
|
|
memcpy((self->encoder.rtp.ptr + paydesc_and_hdr_size), data, size);
|
|
|
|
/* VP8 Payload Descriptor */
|
|
// |X|R|N|S|PartID|
|
|
self->encoder.rtp.ptr[0] = (partID & 0x0F) // PartID
|
|
| ((part_start << 4) & 0x10)// S
|
|
| ((non_ref << 5) & 0x20) // N
|
|
// R = 0
|
|
#if TDAV_VP8_DISABLE_EXTENSION
|
|
| (0x00) // X=0
|
|
#else
|
|
| (0x80) // X=1
|
|
#endif
|
|
;
|
|
|
|
#if !TDAV_VP8_DISABLE_EXTENSION
|
|
// X: |I|L|T|K| RSV |
|
|
self->encoder.rtp.ptr[1] = 0x80; // I = 1, L = 0, T = 0, K = 0, RSV = 0
|
|
// I: |M| PictureID |
|
|
self->encoder.rtp.ptr[2] = (0x80 | ((self->encoder.pic_id >> 8) & 0x7F)); // M = 1 (PictureID on 15 bits)
|
|
self->encoder.rtp.ptr[3] = (self->encoder.pic_id & 0xFF);
|
|
#endif
|
|
|
|
/* 4.2. VP8 Payload Header */
|
|
//if(has_hdr) {
|
|
// already part of the encoded stream
|
|
//}
|
|
|
|
// Send data over the network
|
|
if (TMEDIA_CODEC_VIDEO(self)->out.callback) {
|
|
TMEDIA_CODEC_VIDEO(self)->out.result.buffer.ptr = self->encoder.rtp.ptr;
|
|
TMEDIA_CODEC_VIDEO(self)->out.result.buffer.size = (size + TDAV_VP8_PAY_DESC_SIZE);
|
|
TMEDIA_CODEC_VIDEO(self)->out.result.duration = (uint32_t)((1. / (double)TMEDIA_CODEC_VIDEO(self)->out.fps) * TMEDIA_CODEC(self)->plugin->rate);
|
|
TMEDIA_CODEC_VIDEO(self)->out.result.last_chunck = last;
|
|
TMEDIA_CODEC_VIDEO(self)->out.callback(&TMEDIA_CODEC_VIDEO(self)->out.result);
|
|
}
|
|
}
|
|
|
|
#endif /* HAVE_LIBVPX */
|