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orp.cpp
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orp.cpp
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//////////////////////////////////////////////////////////////////////////////
//
// Open Remote Play
// http://code.google.com/p/open-rp/
//
//////////////////////////////////////////////////////////////////////////////
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//////////////////////////////////////////////////////////////////////////////
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <iostream>
#include <sstream>
#include <vector>
#include <queue>
#include "orp.h"
#include "base64.h"
#include "images.h"
#include "launch.h"
#include "font.h"
static void orpOutput(const char *format, va_list ap)
{
static SDL_mutex *lock = NULL;
if (lock == NULL) lock = SDL_CreateMutex();
SDL_LockMutex(lock);
static FILE *log = NULL;
if (!log) {
log = fopen("orp.log", "w");
if (log) fprintf(log, "Open Remote Play v%s\n", PACKAGE_VERSION);
}
if (log) {
va_list ap2;
va_copy(ap2, ap);
fprintf(log, "%10u: ", SDL_GetTicks());
vfprintf(log, format, ap2);
va_end(ap2);
fflush(log);
}
#ifndef _WIN32
vfprintf(stderr, format, ap);
#endif
SDL_UnlockMutex(lock);
}
static void orpPrintf(const char *format, ...)
{
static SDL_mutex *lock = NULL;
if (lock == NULL) lock = SDL_CreateMutex();
SDL_LockMutex(lock);
va_list ap;
va_start(ap, format);
orpOutput(format, ap);
va_end(ap);
SDL_UnlockMutex(lock);
}
static Sint32 orpCurlDebug(CURL *curl, curl_infotype type, char *text, size_t text_len, void *data)
{
static SDL_mutex *lock = NULL;
if (lock == NULL) lock = SDL_CreateMutex();
SDL_LockMutex(lock);
ostringstream os;
char *url = NULL;
curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &url);
if (url != NULL) os << url << ": ";
else os << "<Unknown>: ";
switch (type) {
case CURLINFO_TEXT:
break;
case CURLINFO_HEADER_IN:
os << ">> ";
break;
case CURLINFO_HEADER_OUT:
os << "<< Sending headers:" << endl;
break;
case CURLINFO_DATA_IN:
SDL_UnlockMutex(lock);
return 0;
case CURLINFO_DATA_OUT:
SDL_UnlockMutex(lock);
return 0;
}
char *buffer = new char[text_len + 1];
memset(buffer, 0, text_len + 1);
memcpy(buffer, text, text_len);
if (buffer[text_len -1] == '\n')
os << buffer;
else
os << buffer << endl;
delete [] buffer;
orpPrintf(os.str().c_str());
SDL_UnlockMutex(lock);
return 0;
}
static void orpAVDebug(void *ptr, Sint32 level, const char *format, va_list ap)
{
orpOutput(format, ap);
}
static struct orpHeader_t orpHeaderList[] = {
{ HEADER_APP_REASON, "PREMO-Application-Reason" },
{ HEADER_AUDIO_BITRATE, "PREMO-Audio-Bitrate" },
{ HEADER_AUDIO_BITRATE_ABILITY, "PREMO-Audio-Bitrate-Ability" },
{ HEADER_AUDIO_CHANNELS, "PREMO-Audio-Channels" },
{ HEADER_AUDIO_CLOCKFREQ, "PREMO-Audio-ClockFrequency" },
{ HEADER_AUDIO_CODEC, "PREMO-Audio-Codec" },
{ HEADER_AUDIO_CONFIG, "PREMO-Audio-Config" },
{ HEADER_AUDIO_SAMPLERATE, "PREMO-Audio-SamplingRate" },
{ HEADER_AUTH, "PREMO-Auth" },
{ HEADER_CTRL_BITRATE, "Bitrate" },
{ HEADER_CTRL_MAXBITRATE, "Max-Bitrate" },
{ HEADER_CTRL_MODE, "Mode" },
{ HEADER_EXEC_MODE, "PREMO-Exec-Mode" },
{ HEADER_MODE, "PREMO-Mode" },
{ HEADER_NONCE, "PREMO-Nonce" },
{ HEADER_PAD_ASSIGN, "PREMO-Pad-Assign" },
{ HEADER_PAD_COMPLETE, "PREMO-Pad-Complete" },
{ HEADER_PAD_INDEX, "PREMO-Pad-Index" },
{ HEADER_PAD_INFO, "PREMO-Pad-Info" },
{ HEADER_PLATFORM_INFO, "PREMO-Platform-Info" },
{ HEADER_POWER_CONTROL, "PREMO-Power-Control" },
{ HEADER_PS3_NICKNAME, "PREMO-PS3-Nickname" },
{ HEADER_PSPID, "PREMO-PSPID" },
{ HEADER_TRANS, "PREMO-Trans" },
{ HEADER_TRANS_MODE, "PREMO-Trans-Mode" },
{ HEADER_SESSIONID, "SessionID" },
{ HEADER_SIGNINID, "PREMO-SIGNIN-ID" },
{ HEADER_USERNAME, "PREMO-UserName" },
{ HEADER_VERSION, "PREMO-Version" },
{ HEADER_VIDEO_BITRATE, "PREMO-Video-Bitrate" },
{ HEADER_VIDEO_BITRATE_ABILITY, "PREMO-Video-Bitrate-Ability" },
{ HEADER_VIDEO_CLOCKFREQ, "PREMO-Video-ClockFrequency" },
{ HEADER_VIDEO_CODEC, "PREMO-Video-Codec" },
{ HEADER_VIDEO_CONFIG, "PREMO-Video-Config" },
{ HEADER_VIDEO_FRAMERATE, "PREMO-Video-Framerate" },
{ HEADER_VIDEO_FRAMERATE_ABILITY, "PREMO-Video-Framerate-Ability" },
{ HEADER_VIDEO_RESOLUTION, "PREMO-Video-Resolution" },
{ HEADER_VIDEO_RESOLUTION_ABILITY, "PREMO-Video-Resolution-Ability" },
{ HEADER_NULL, "null" },
};
static const char *orpGetHeader(enum orpHeader header)
{
Uint32 i;
for (i = 0; orpHeaderList[i].header != HEADER_NULL; i++) {
if (orpHeaderList[i].header != header) continue;
return orpHeaderList[i].name.c_str();
}
return orpHeaderList[HEADER_NULL].name.c_str();
}
static const char *orpGetHeaderValue(enum orpHeader header, vector<struct orpHeaderValue_t *> &headerList)
{
Uint32 i;
for (i = 0; headerList[i]->header != HEADER_NULL; i++) {
if (headerList[i]->header != header) continue;
return headerList[i]->value.c_str();
}
return NULL;
}
static struct orpCtrlMode_t orpCtrlList[] = {
{ CTRL_CHANGE_BITRATE, "change-bitrate" },
{ CTRL_SESSION_TERM, "session-term" },
{ CTRL_NULL, "null" }
};
static void orpPostEvent(enum orpEvent id)
{
SDL_Event event;
event.type = SDL_USEREVENT;
event.user.code = id;
event.user.data1 = NULL;
event.user.data2 = NULL;
SDL_PushEvent(&event);
}
static void orpPostError(const char *text)
{
SDL_Event event;
event.type = SDL_USEREVENT;
event.user.code = EVENT_ERROR;
event.user.data1 = strdup(text);
event.user.data2 = NULL;
SDL_PushEvent(&event);
}
static void orpMasterClockUpdate(struct orpClock_t *clock)
{
static Uint32 start = 0;
if (!start) start = SDL_GetTicks();
Uint32 ticks = SDL_GetTicks() - start;
SDL_LockMutex(clock->lock);
clock->master = (Uint32)((double)ticks * (double)ORP_CLOCKFREQ / (double)1000);
SDL_UnlockMutex(clock->lock);
}
#ifdef ORP_CLOCK_DEBUG
static Uint32 orpClockTimer(Uint32 interval, void *param)
{
struct orpClock_t *clock = (struct orpClock_t *)param;
SDL_LockMutex(clock->lock);
Uint32 decode = clock->decode;
Uint32 aq = clock->audio_queue;
Uint32 vq = clock->video_queue;
double delta =
((double)clock->video / (double)clock->video_freq -
(double)clock->audio / (double)clock->audio_freq) * (double)1000;
double a = (double)clock->audio / (double)clock->audio_freq;
double v = (double)clock->video / (double)clock->video_freq;
double m = (double)clock->master / (double)ORP_CLOCKFREQ;
SDL_UnlockMutex(clock->lock);
orpPrintf("a/v drift: %.04fms, fd: %ums, "
"m/a/v: %.04fs %.04fs %.04fs a/v queue: %u %u\n",
delta, decode, m, a, v, aq, vq);
return interval;
}
#endif
static size_t orpParseResponseHeader(void *ptr, size_t size, size_t nmemb, void *stream)
{
Uint8 *data = (Uint8 *)ptr;
Uint32 len = (Uint32)(size * nmemb);
vector<struct orpHeaderValue_t *> *headerList = (vector<struct orpHeaderValue_t *> *)stream;
Uint32 i;
ostringstream h, v;
for (i = 0; i < len; i++) {
if (data[i] == (Uint8)' ' || data[i] == (Uint8)'\t' ||
data[i] == (Uint8)'\n' || data[i] == (Uint8)'\r') continue;
else if (data[i] == (Uint8)':') break;
h << (char)data[i];
}
// Headers received...
if (h.str().length() == 0) return (size_t)len;
for (++i; i < len; i++) {
if (data[i] == (Uint8)' ' || data[i] == (Uint8)'\t' ||
data[i] == (Uint8)'\n' || data[i] == (Uint8)'\r') continue;
v << (char)data[i];
}
for (i = 0; orpHeaderList[i].header != HEADER_NULL; i++) {
if (strcasecmp(orpHeaderList[i].name.c_str(), h.str().c_str())) continue;
struct orpHeaderValue_t *header = new struct orpHeaderValue_t;
header->header = orpHeaderList[i].header;
header->value = v.str();
headerList->push_back(header);
}
return (size_t)len;
}
static size_t orpParseStreamData(void *ptr, size_t size, size_t nmemb, void *stream)
{
Uint8 *data = (Uint8 *)ptr;
Uint32 len = (Uint32)(size * nmemb);
struct orpConfigStream_t *_config = (struct orpConfigStream_t *)stream;
struct orpStreamData_t *streamData = _config->stream;
#ifdef ORP_DUMP_STREAM_RAW
fwrite(data, 1, len, _config->h_raw);
#endif
// Allocate frame buffer
Uint8 *buffer = new Uint8[streamData->len + len];
if (!buffer) {
orpPostError("Memory allocation error!");
return 0;
}
Uint8 *bp = buffer;
// Prepend stored chunk if present
if (streamData->len) {
memcpy(bp, streamData->data, streamData->len);
memcpy(bp + streamData->len, data, len);
len += streamData->len;
delete [] streamData->data;
streamData->len = 0;
} else memcpy(bp, data, len);
// Eat 0x0d 0x0a prefix if present
if (len >= 1 && bp[0] == 0x0d) {
len--; bp++;
}
if (len >= 1 && bp[0] == 0x0a) {
len--; bp++;
}
// Need at least 8 bytes (XXXXXX\n\r) to continue
if (len < 8) {
streamData->len = len;
streamData->data = new Uint8[len];
if (!streamData->data) {
delete [] buffer;
orpPostError("Memory allocation error!");
return 0;
}
memcpy(streamData->data, bp, len);
delete [] buffer;
return (size * nmemb);
}
// Expected trailing 0xd 0xa not found!
if (bp[6] != 0x0d || bp[7] != 0x0a) {
delete [] buffer;
orpPostError("Unexpected data!");
return 0;
}
// Zero out first byte after chunk length (for sscanf)
bp[6] = 0x00;
Uint32 chunk_len = 0;
// Extract chunk length
if (sscanf((const char *)bp, "%06x", &chunk_len) != 1) {
delete [] buffer;
orpPostError("Missing chunk size!");
return 0;
}
// Remove chunk length; advance buffer, decrement length
len -= 8; bp += 8;
// Available data less than what we need?
if (len < chunk_len) {
// Undo buffer and length adjustments for next packet
len += 8; bp -= 8;
bp[6] = 0x0d;
// Allocate memory to hold partial packet
streamData->len = len;
streamData->data = new Uint8[len];
if (!streamData->data) {
delete [] buffer;
orpPostError("Memory allocation error!");
return 0;
}
memcpy(streamData->data, bp, len);
delete [] buffer;
// Next...
return (size * nmemb);
} else if (len > chunk_len && len - chunk_len == 2 &&
*(bp + chunk_len) == 0x0d && *(bp + chunk_len + 1) == 0x0a) {
// Don't stash trailing 0xd 0xa...
// More data available than we need?
} else if (len > chunk_len) {
// Save the overflow for next call...
streamData->len = len - chunk_len;
streamData->data = new Uint8[streamData->len];
if (!streamData->data) {
delete [] buffer;
orpPostError("Memory allocation error!");
return 0;
}
memcpy(streamData->data, bp + chunk_len, streamData->len);
}
// We have a full audio/video packet (frame)
if (bp[0] != 0x80) {
orpPrintf("%s: invalid packet header\n", _config->name.c_str());
delete [] buffer;
orpPostError("Invalid packet header!");
return 0;
}
// Asked to restore audio/video stream?
if (bp[1] == 0xfd) {
orpPrintf("%s: restore (reset)\n", _config->name.c_str());
orpPostEvent(EVENT_RESTORE);
delete [] buffer;
return (size * nmemb);
}
// Audio/video magic of 0x8081 seems to mean PS3 shutdown
if (bp[1] == 0x81) {
orpPrintf("%s: system power-off\n", _config->name.c_str());
delete [] buffer;
orpPostEvent(EVENT_SHUTDOWN);
return (size * nmemb);
}
#ifdef ORP_DUMP_STREAM_HEADER
fwrite(bp, 1, sizeof(orpStreamPacketHeader_t), _config->h_header);
#endif
// Audio or video header?
if (bp[1] != 0x80 && bp[1] != 0xff && bp[1] != 0xfb && bp[1] != 0xfc &&
bp[1] != 0xfe) {
orpPrintf("%s: invalid magic: 0x%02x%02x\n", _config->name.c_str(),
bp[0], bp[1]);
delete [] buffer;
// Discard...
return (size * nmemb);
}
// Allocate new packet
struct orpStreamPacket_t *packet = new struct orpStreamPacket_t;
if (!packet) {
delete [] buffer;
orpPostError("Memory allocation error!");
return 0;
}
// Copy header, set length
memcpy(&packet->header, bp, sizeof(struct orpStreamPacketHeader_t));
memset(&packet->pkt, 0, sizeof(AVPacket));
packet->pkt.size = chunk_len - sizeof(struct orpStreamPacketHeader_t);
// Header size must match packet length
if (packet->pkt.size != SDL_SwapBE16(packet->header.len)) {
// FILE *fh = fopen("bad-header.dat", "w+");
// if (fh) {
// fwrite(&packet->header, 1, sizeof(orpStreamPacketHeader_t), fh);
// fclose(fh);
// }
orpPrintf("%s: packet length mis-match: %u, expected: %u\n",
_config->name.c_str(), packet->pkt.size,
SDL_SwapBE16(packet->header.len));
// TODO: For now we just accept the header length over the
// chunk size. This only seems to happen with MPEG4 video, ex:
// PixelJunk Monsers/Eden
packet->pkt.size = SDL_SwapBE16(packet->header.len);
}
// Allocate payload
packet->pkt.data = new Uint8[packet->pkt.size +
FF_INPUT_BUFFER_PADDING_SIZE];
if (!packet->pkt.data) {
delete packet;
delete [] buffer;
orpPostError("Memory allocation error!");
return 0;
}
memset(packet->pkt.data + packet->pkt.size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
// Copy payload
bp += sizeof(struct orpStreamPacketHeader_t);
memcpy(packet->pkt.data, bp, packet->pkt.size);
delete [] buffer;
// Decrypt h2.64 video key-frames
if ((packet->header.magic[1] == 0xff || packet->header.magic[1] == 0xfe)
&& packet->header.unk6 == SDL_SwapLE16(0x0401)) {
memcpy(_config->key.iv1,
_config->key.xor_nonce, ORP_KEY_LEN);
AES_cbc_encrypt(packet->pkt.data, packet->pkt.data,
packet->pkt.size - (packet->pkt.size % ORP_KEY_LEN),
&_config->aes_key, _config->key.iv1, AES_DECRYPT);
if (packet->pkt.data[0] != 0x00) {
orpPrintf("%s: packet decryption failure: 0x%02x.\n",
_config->name.c_str(), packet->pkt.data[0]);
#ifdef ORP_DUMP_STREAM_DATA
fwrite(bp, 1, packet->pkt.size, _config->h_data);
#endif
delete [] packet->pkt.data;
delete packet;
orpPostError("Corrupt video stream!");
return 0;
}
}
// Decrypt AAC audio
else if (packet->header.magic[1] == 0x80 && packet->header.unk8) {
memcpy(_config->key.iv1,
_config->key.xor_nonce, ORP_KEY_LEN);
AES_cbc_encrypt(packet->pkt.data, packet->pkt.data,
packet->pkt.size - (packet->pkt.size % ORP_KEY_LEN),
&_config->aes_key, _config->key.iv1, AES_DECRYPT);
}
// Decrypt MPEG4 video key-frames
else if (packet->header.magic[1] == 0xfb && (
packet->header.unk6 == SDL_SwapLE16(0x0001) || packet->header.unk6 == SDL_SwapLE16(0x0401))) {
memcpy(_config->key.iv1,
_config->key.xor_nonce, ORP_KEY_LEN);
AES_cbc_encrypt(packet->pkt.data, packet->pkt.data,
packet->pkt.size - (packet->pkt.size % ORP_KEY_LEN),
&_config->aes_key, _config->key.iv1, AES_DECRYPT);
}
// Decrypt ATRAC3 audio
else if (packet->header.magic[1] == 0xfc && packet->header.unk8) {
memcpy(_config->key.iv1,
_config->key.xor_nonce, ORP_KEY_LEN);
AES_cbc_encrypt(packet->pkt.data, packet->pkt.data,
packet->pkt.size - (packet->pkt.size % ORP_KEY_LEN),
&_config->aes_key, _config->key.iv1, AES_DECRYPT);
}
#ifdef ORP_DUMP_STREAM_DATA
fwrite(packet->pkt.data, 1, packet->pkt.size, _config->h_data);
#endif
// Push stream packet
SDL_LockMutex(streamData->lock);
streamData->pkt.push(packet);
SDL_CondSignal(streamData->cond);
SDL_UnlockMutex(streamData->lock);
return (size * nmemb);
}
static bool orpDecodeKey(Uint8 *dst, const string &src)
{
Base64 base64;
Uint8 *result = base64.Decode((const Uint8 *)src.c_str());
if (!result) return false;
memcpy(dst, result, ORP_KEY_LEN);
delete [] result;
return true;
}
static SDL_mutex *orpAVMutex = NULL;
static Sint32 orpThreadVideoDecode(void *config)
{
struct orpThreadVideoDecode_t *_config =
(struct orpThreadVideoDecode_t *)config;
struct orpStreamPacket_t *packet;
// Uint32 fps = (Uint32)(1000 / 30);
SDL_LockMutex(orpAVMutex);
AVCodecContext *context = avcodec_alloc_context3(_config->codec);
if (avcodec_open(context, _config->codec) < 0) {
SDL_UnlockMutex(orpAVMutex);
return -1;
}
SDL_UnlockMutex(orpAVMutex);
AVFrame *frame;
frame = avcodec_alloc_frame();
struct SwsContext *sws_normal;
struct SwsContext *sws_medium;
struct SwsContext *sws_large;
struct SwsContext *sws_fullscreen;
sws_normal = sws_getContext(ORP_FRAME_WIDTH, ORP_FRAME_HEIGHT,
context->pix_fmt, ORP_FRAME_WIDTH, ORP_FRAME_HEIGHT,
PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
sws_medium = sws_getContext(ORP_FRAME_WIDTH, ORP_FRAME_HEIGHT,
context->pix_fmt,
(int)(ORP_FRAME_WIDTH * 1.5), (int)(ORP_FRAME_HEIGHT * 1.5),
PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
sws_large = sws_getContext(ORP_FRAME_WIDTH, ORP_FRAME_HEIGHT,
context->pix_fmt, ORP_FRAME_WIDTH * 2, ORP_FRAME_HEIGHT * 2,
PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
sws_fullscreen = sws_getContext(ORP_FRAME_WIDTH, ORP_FRAME_HEIGHT,
context->pix_fmt, _config->view->fs.w, _config->view->fs.h,
PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);
Sint32 bytes_decoded, frame_done = 0;
while (!_config->terminate) {
Uint32 ticks = SDL_GetTicks();
SDL_LockMutex(_config->stream->lock);
Uint32 packets = _config->stream->pkt.size();
SDL_LockMutex(_config->clock->lock);
_config->clock->video_queue = packets;
SDL_UnlockMutex(_config->clock->lock);
if (packets == 0)
SDL_CondWait(_config->stream->cond, _config->stream->lock);
if (_config->terminate) {
SDL_UnlockMutex(_config->stream->lock);
break;
}
if (packets) {
packet = _config->stream->pkt.front();
_config->stream->pkt.pop();
} else packet = NULL;
SDL_UnlockMutex(_config->stream->lock);
if (!packet) continue;
#ifdef ORP_DISABLE_VIDEO
delete [] packet->pkt.data;
delete packet;
continue;
#endif
Uint32 clock = SDL_SwapBE32(packet->header.clock);
if (!_config->clock_offset ||
clock < _config->clock_offset) {
_config->clock_offset = clock;
_config->clock->master = 0;
}
SDL_LockMutex(_config->clock->lock);
_config->clock->video = clock - _config->clock_offset;
SDL_UnlockMutex(_config->clock->lock);
bytes_decoded = avcodec_decode_video2(context,
frame, &frame_done, &packet->pkt);
if (bytes_decoded != -1 && frame_done) {
SDL_LockMutex(_config->view->lock);
if (!_config->view->overlay) {
SDL_UnlockMutex(_config->view->lock);
return -1;
}
SDL_LockYUVOverlay(_config->view->overlay);
AVPicture p;
p.data[0] = _config->view->overlay->pixels[0];
p.data[1] = _config->view->overlay->pixels[2];
p.data[2] = _config->view->overlay->pixels[1];
p.linesize[0] = _config->view->overlay->pitches[0];
p.linesize[1] = _config->view->overlay->pitches[2];
p.linesize[2] = _config->view->overlay->pitches[1];
if (_config->view->size == VIEW_NORMAL) {
sws_scale(sws_normal,
frame->data, frame->linesize, 0, context->height,
p.data, p.linesize);
} else if (_config->view->size == VIEW_MEDIUM) {
sws_scale(sws_medium,
frame->data, frame->linesize, 0, context->height,
p.data, p.linesize);
} else if (_config->view->size == VIEW_LARGE) {
sws_scale(sws_large,
frame->data, frame->linesize, 0, context->height,
p.data, p.linesize);
} else if (_config->view->size == VIEW_FULLSCREEN) {
sws_scale(sws_fullscreen,
frame->data, frame->linesize, 0, context->height,
p.data, p.linesize);
}
SDL_Rect rect;
rect.x = 0;
if (_config->view->size == VIEW_FULLSCREEN) {
rect.y = _config->view->fs.y;
rect.w = _config->view->fs.w;
rect.h = _config->view->fs.h;
} else {
rect.y = 0;
rect.w = _config->view->scale.w;
rect.h = _config->view->scale.h;
}
if (_config->view->status_sticky ||
_config->view->status_ticks >= SDL_GetTicks()) {
SDL_Rect src, dst;
src.x = src.y = 0;
src.w = _config->view->status_bg->w;
src.h = _config->view->status_bg->h;
dst.x = 0;
dst.y = rect.h - _config->view->status_bg->h;
dst.w = _config->view->status_bg->w;
dst.h = _config->view->status_bg->h;
SDL_BlitOverlay(_config->view->status_yuv, &src,
_config->view->overlay, &dst);
}
SDL_DisplayYUVOverlay(_config->view->overlay, &rect);
SDL_UnlockMutex(_config->view->lock);
orpMasterClockUpdate(_config->clock);
SDL_LockMutex(_config->clock->lock);
#ifdef ORP_SYNC_TO_MASTER
#warning "Video sync to master clock"
Sint32 delta = (Sint32)(_config->clock->video - _config->clock->master);
#else
#warning "Video sync to audio clock"
Sint32 delta = (Sint32)(_config->clock->video - _config->clock->audio);
#endif
Uint32 decode = _config->clock->decode = SDL_GetTicks() - ticks;
SDL_UnlockMutex(_config->clock->lock);
Sint32 drift = 0;
if (delta > 0)
drift = (Sint32)((double)delta / (double)ORP_CLOCKFREQ * (double)1000);
if (drift > 0) {
Uint32 delay = decode < drift ? drift - decode : drift;
if (delay > 1000) {
//orpPrintf("Delay too large: %u\n", delay);
} else SDL_Delay(delay);
}
}
delete [] packet->pkt.data;
delete packet;
}
av_free(frame);
SDL_LockMutex(orpAVMutex);
avcodec_close(context);
SDL_UnlockMutex(orpAVMutex);
sws_freeContext(sws_normal);
sws_freeContext(sws_medium);
sws_freeContext(sws_large);
sws_freeContext(sws_fullscreen);
return 0;
}
static Sint32 orpThreadVideoConnection(void *config)
{
struct orpConfigStream_t *_config = (struct orpConfigStream_t *)config;
CURL *curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, _config->url.c_str());
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, orpCurlDebug);
curl_easy_setopt(curl, CURLOPT_USERAGENT, ORP_USER_AGENT);
vector<struct orpHeaderValue_t *> headerList;
curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *)&headerList);
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, orpParseResponseHeader);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)_config);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, orpParseStreamData);
curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_easy_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0);
curl_easy_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0);
struct curl_slist *headers = NULL;
ostringstream os;
os << "Host:";
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << "Accept: */*;q=0.01";
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << "Accept-Encoding:\"\"";
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << "Accept-Charset: iso-8859-1;q=0.01";
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << "Host: " << _config->host << ":" << _config->port;
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << orpGetHeader(HEADER_VIDEO_CODEC);
os << ": " << _config->codec;
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << orpGetHeader(HEADER_VIDEO_RESOLUTION);
os << ": " << ORP_FRAME_WIDTH << "x" << ORP_FRAME_HEIGHT;
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << orpGetHeader(HEADER_AUTH);
os << ": " << (const char *)_config->key.auth_normal;
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << orpGetHeader(HEADER_SESSIONID);
os << ": " << _config->session_id;
headers = curl_slist_append(headers, os.str().c_str());
os.str("");
os << "Connection: Keep-Alive";
headers = curl_slist_append(headers, os.str().c_str());
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
CURLcode cc;
cc = curl_easy_perform(curl);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
orpPrintf("%s: stream exit: %d\n", _config->name.c_str(), cc);
orpPostEvent(EVENT_STREAM_EXIT);
return 0;
}
static void orpAudioFeed(void *config, Uint8 *stream, int len)
{
struct orpConfigAudioFeed_t *_config =
(struct orpConfigAudioFeed_t *)config;
struct orpAudioFrame_t *frame;
orpAudioFeed_GetFrame:
frame = NULL;
SDL_LockMutex(_config->lock);
if (_config->frame.size()) {
frame = _config->frame.front();
_config->frame.pop_front();
} else memset(stream, 0, len);
if (_config->clock)
_config->clock->audio_queue = _config->frame.size();
SDL_UnlockMutex(_config->lock);
if (!frame) return;
if (_config->clock) {
SDL_LockMutex(_config->clock->lock);
if (!_config->clock_offset ||
frame->clock < _config->clock_offset) {
_config->clock_offset = frame->clock;
_config->clock->master = 0;
}
_config->clock->audio = frame->clock - _config->clock_offset;
double clock_diff = (double)_config->clock->master - (double)_config->clock->audio;
SDL_UnlockMutex(_config->clock->lock);
#if 0
if (clock_diff > ORP_AUDIO_NOSYNC) {
SDL_LockMutex(_config->lock);
if (_config->frame.size()) {
delete [] frame->data;
delete frame;
SDL_UnlockMutex(_config->lock);
goto orpAudioFeed_GetFrame;
}
SDL_UnlockMutex(_config->lock);
}
#endif
}
int flen = frame->len - frame->consumed;
if (flen > len)
flen = len;
memcpy(stream, frame->data + frame->consumed, flen);
stream += flen;
len -= flen;
frame->consumed += flen;
if (frame->consumed >= frame->len) {
delete [] frame->data;
delete frame;
} else {
SDL_LockMutex(_config->lock);
_config->frame.push_front(frame);
SDL_UnlockMutex(_config->lock);
}
if (len > 0)
goto orpAudioFeed_GetFrame;
}
static AVCodecContext *orpInitAudioCodec(AVCodec *codec, Sint32 channels, Sint32 sample_rate, Sint32 bit_rate)
{
SDL_LockMutex(orpAVMutex);
AVCodecContext *context = avcodec_alloc_context();
context->channels = channels;
context->sample_rate = sample_rate;
if (codec->id == CODEC_ID_ATRAC3) {
struct atrac3_config_t {
Uint16 unk0; // 2
Uint16 unk1lo; // 4 \ actually an Uint32, but split
Uint16 unk1hi; // 6 / it to avoid alignment problems
Uint16 unk2; // 8
Uint16 unk3; // 10
Uint16 unk4; // 12
Uint16 unk5; // 14
};
struct atrac3_config_t *at3_config;
at3_config = (struct atrac3_config_t *)av_malloc(sizeof(struct atrac3_config_t));
memset(at3_config, 0, sizeof(struct atrac3_config_t));
at3_config->unk0 = SDL_SwapLE16(1);
at3_config->unk1lo = SDL_SwapLE16(1024);
at3_config->unk2 = SDL_SwapLE16(1);
at3_config->unk3 = SDL_SwapLE16(1);
at3_config->unk4 = SDL_SwapLE16(1);
at3_config->unk5 = SDL_SwapLE16(0);
context->extradata = (Uint8 *)at3_config;
context->extradata_size = 14;
context->block_align = 192 * channels;
context->bit_rate = bit_rate;
}
if (avcodec_open(context, codec) < 0) {
if (codec->id == CODEC_ID_ATRAC3) av_free(context->extradata);
av_free(context);
SDL_UnlockMutex(orpAVMutex);
orpPrintf("codec context initialization failed.\n");
return NULL;
}
SDL_UnlockMutex(orpAVMutex);
return context;
}
static Sint32 orpThreadAudioDecode(void *config)
{
struct orpThreadAudioDecode_t *_config =
(struct orpThreadAudioDecode_t *)config;
struct orpStreamPacket_t *packet;
if (!_config->codec) return -1;
AVCodecContext *context;
if (!(context = orpInitAudioCodec(_config->codec, _config->channels,
_config->sample_rate, _config->bit_rate))) return -1;
Sint32 bytes_decoded, frame_size;
Uint8 buffer[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
struct orpConfigAudioFeed_t feed;
feed.channels = _config->channels;
feed.sample_rate = _config->sample_rate;
feed.audio_diff_avg_coef = exp(log(0.01 / ORP_AUDIO_DIFFAVGNB));
feed.audio_diff_avg_count = 0;
feed.audio_diff_threshold = 2.0 * ORP_AUDIO_BUF_LEN / _config->sample_rate;
feed.clock_offset = 0;
feed.clock = _config->clock;
feed.lock = SDL_CreateMutex();
SDL_AudioSpec audioSpec, requestedSpec;
requestedSpec.freq = _config->sample_rate;
requestedSpec.format = AUDIO_S16SYS;
requestedSpec.channels = _config->channels;
requestedSpec.silence = 0;
requestedSpec.samples = ORP_AUDIO_BUF_LEN;
requestedSpec.callback = orpAudioFeed;
requestedSpec.userdata = (void *)&feed;
if(SDL_OpenAudio(&requestedSpec, &audioSpec) == -1) {
orpPrintf("SDL_OpenAudio: %s\n", SDL_GetError());
return -1;
}
Sint32 decode_errors = 0;
SDL_PauseAudio(0);
while (!_config->terminate) {
SDL_LockMutex(_config->stream->lock);
Uint32 packets = _config->stream->pkt.size();
if (packets == 0)
SDL_CondWait(_config->stream->cond, _config->stream->lock);
if (_config->terminate) {
SDL_UnlockMutex(_config->stream->lock);
break;
}
if (_config->stream->pkt.size()) {
packet = _config->stream->pkt.front();
_config->stream->pkt.pop();
} else packet = NULL;
SDL_UnlockMutex(_config->stream->lock);
if (!packet) continue;
#ifdef ORP_DISABLE_AUDIO
delete [] packet->pkt.data;
delete packet;
continue;
#endif
frame_size = sizeof(buffer);
bytes_decoded = avcodec_decode_audio3(context,
(Sint16 *)buffer, &frame_size, &packet->pkt);
if (bytes_decoded != -1 && frame_size) {
struct orpAudioFrame_t *audioFrame =
new struct orpAudioFrame_t;
audioFrame->len = (Uint32)frame_size;
audioFrame->data = new Uint8[audioFrame->len];
audioFrame->clock = SDL_SwapBE32(packet->header.clock);
audioFrame->consumed = 0;
memcpy(audioFrame->data, buffer, audioFrame->len);
orpMasterClockUpdate(_config->clock);
SDL_LockMutex(feed.lock);
feed.frame.push_back(audioFrame);
SDL_UnlockMutex(feed.lock);
decode_errors = 0;
} else if (decode_errors > 5) {