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325
Src/replicant/http/HTTPPlayback.cpp
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325
Src/replicant/http/HTTPPlayback.cpp
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#include "http/api.h"
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#include "HTTPPlayback.h"
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#include "http/svc_http_demuxer.h"
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#include "service/ifc_servicefactory.h"
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#include <time.h>
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#ifdef _WIN32
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#include "nu/AutoChar.h"
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#endif
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#include "nu/strsafe.h"
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#include "nx/nxsleep.h"
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#ifdef __ANDROID__
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#include <android/log.h> // TODO: replace with generic logging API
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#else
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#define ANDROID_LOG_INFO 0
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#define ANDROID_LOG_ERROR 1
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void __android_log_print(int, const char *, const char *, ...)
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{
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}
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#endif
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#include <time.h>
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HTTPPlayback::HTTPPlayback()
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{
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http=0;
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demuxer=0;
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}
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int HTTPPlayback::Initialize(nx_uri_t url, ifc_player *player)
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{
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int ret = PlaybackBase::Initialize(url, player);
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if (ret != NErr_Success)
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return ret;
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http=0;
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demuxer=0;
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ifc_playback::Retain(); /* the thread needs to hold a reference to this object so that it doesn't disappear out from under us */
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NXThreadCreate(&playback_thread, HTTPPlayerThreadFunction, this);
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return NErr_Success;
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}
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HTTPPlayback::~HTTPPlayback()
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{
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if (demuxer)
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demuxer->Release();
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if (http)
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jnl_http_release(http);
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}
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nx_thread_return_t HTTPPlayback::HTTPPlayerThreadFunction(nx_thread_parameter_t param)
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{
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HTTPPlayback *playback = (HTTPPlayback *)param;
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NXThreadCurrentSetPriority(NX_THREAD_PRIORITY_PLAYBACK);
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nx_thread_return_t ret = playback->DecodeLoop();
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playback->ifc_playback::Release();
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return ret;
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}
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int HTTPPlayback::Init()
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{
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http = jnl_http_create(2*1024*1024, 0);
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if (!http)
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return NErr_OutOfMemory;
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return NErr_Success;
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}
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static void SetupHTTP(jnl_http_t http)
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{
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char accept[1024], user_agent[256];
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accept[0]=0;
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user_agent[0]=0;
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size_t accept_length=sizeof(accept)/sizeof(*accept);
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size_t user_agent_length=sizeof(user_agent)/sizeof(*user_agent);
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char *p_accept = accept, *p_user_agent=user_agent;
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const char *application_user_agent = WASABI2_API_APP->GetUserAgent();
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StringCchCopyExA(p_user_agent, user_agent_length, application_user_agent, &p_user_agent, &user_agent_length, 0);
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GUID http_demuxer_guid = svc_http_demuxer::GetServiceType();
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ifc_serviceFactory *sf;
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size_t n = 0;
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while (sf = WASABI2_API_SVC->EnumService(http_demuxer_guid, n++))
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{
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svc_http_demuxer *l = (svc_http_demuxer*)sf->GetInterface();
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if (l)
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{
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const char *this_accept;
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size_t i=0;
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while (this_accept=l->EnumerateAcceptedTypes(i++))
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{
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if (accept == p_accept) // first one added
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StringCchCopyExA(p_accept, accept_length, this_accept, &p_accept, &accept_length, 0);
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else
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StringCchPrintfExA(p_accept, accept_length, &p_accept, &accept_length, 0, ", %s", this_accept);
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}
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const char *this_user_agent = l->GetUserAgent();
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if (this_user_agent)
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{
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StringCchPrintfExA(p_user_agent, user_agent_length, &p_user_agent, &user_agent_length, 0, " %s", this_user_agent);
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}
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l->CustomizeHTTP(http);
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l->Release();
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}
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}
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if (accept != p_accept)
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jnl_http_addheadervalue(http, "Accept", accept);
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jnl_http_addheadervalue(http, "User-Agent", user_agent);
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jnl_http_addheadervalue(http, "Connection", "close");
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}
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static NError FindDemuxer(nx_uri_t uri, jnl_http_t http, ifc_http_demuxer **demuxer)
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{
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GUID http_demuxer_guid = svc_http_demuxer::GetServiceType();
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ifc_serviceFactory *sf;
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bool again;
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int pass=0;
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do
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{
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size_t n = 0;
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again=false;
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while (sf = WASABI2_API_SVC->EnumService(http_demuxer_guid, n++))
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{
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svc_http_demuxer *l = (svc_http_demuxer*)sf->GetInterface();
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if (l)
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{
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NError err = l->CreateDemuxer(uri, http, demuxer, pass);
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if (err == NErr_Success)
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return NErr_Success;
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if (err == NErr_TryAgain)
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again=true;
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}
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}
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pass++;
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} while (again);
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return NErr_NoMatchingImplementation;
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}
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int HTTPPlayback::Internal_Connect(uint64_t byte_position)
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{
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int http_ver = byte_position?1:0;
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if (byte_position != 0)
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{
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char str[512];
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StringCchPrintfA(str, 512, "Range: bytes=%llu-", byte_position);
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jnl_http_addheader(http, str);
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}
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//jnl_http_allow_accept_all_reply_codes(http);
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#ifdef _WIN32
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jnl_http_connect(http, AutoChar(filename->string), http_ver, "GET");
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#else
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jnl_http_connect(http, filename->string, http_ver, "GET");
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#endif
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/* wait for connection */
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time_t start_time = time(0);
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int http_status;
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do
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{
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int ret = PlaybackBase::Sleep(10, PlaybackBase::WAKE_STOP);
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if (ret == PlaybackBase::WAKE_STOP)
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return NErr_Interrupted;
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ret = jnl_http_run(http);
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if (ret == HTTPGET_RUN_ERROR)
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return NErr_ConnectionFailed;
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if (start_time + 15 < time(0))
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return NErr_TimedOut;
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http_status = jnl_http_get_status(http);
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} while (http_status == HTTPGET_STATUS_CONNECTING || http_status == HTTPGET_STATUS_READING_HEADERS);
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if (http_status == HTTPGET_STATUS_ERROR)
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{
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switch(jnl_http_getreplycode(http))
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{
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case 400:
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return NErr_BadRequest;
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case 401:
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// TODO: deal with this specially
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return NErr_Unauthorized;
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case 403:
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// TODO: deal with this specially?
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return NErr_Forbidden;
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case 404:
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return NErr_NotFound;
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case 405:
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return NErr_BadMethod;
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case 406:
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return NErr_NotAcceptable;
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case 407:
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// TODO: deal with this specially
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return NErr_ProxyAuthenticationRequired;
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case 408:
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return NErr_RequestTimeout;
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case 409:
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return NErr_Conflict;
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case 410:
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return NErr_Gone;
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case 500:
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return NErr_InternalServerError;
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case 503:
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return NErr_ServiceUnavailable;
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default:
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return NErr_ConnectionFailed;
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}
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}
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return NErr_Success;
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}
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nx_thread_return_t HTTPPlayback::DecodeLoop()
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{
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player->OnLoaded(filename);
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int ret = Init();
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if (ret != NErr_Success)
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{
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player->OnError(ret);
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return 0;
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}
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SetupHTTP(http);
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/* connect, then find an ifc_http_demuxer */
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ret = Internal_Connect(0);
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if (ret == NErr_Success && FindDemuxer(filename, http, &demuxer) == NErr_Success && demuxer)
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{
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/* turn control over to the demuxer */
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ret = demuxer->Run(this, player, secondary_parameters);
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if (ret == NErr_EndOfFile)
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{
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/* TODO: re-implement the individual demuxers so they keep calling set position for a while */
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player->OnClosed();
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return 0;
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}
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}
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else if (ret == NErr_Interrupted)
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{
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player->OnStopped();
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return 0;
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}
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else if (ret == NErr_TimedOut)
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{
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player->OnError(ret);
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return 0;
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}
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else if (ret == NErr_Success)
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{
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player->OnError(NErr_NoMatchingImplementation);
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return 0;
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}
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else
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{
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__android_log_print(ANDROID_LOG_INFO, "libreplicant", "[http] error: %d, reply code: %d", ret, jnl_http_getreplycode(http));
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player->OnError(ret);
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return 0;
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}
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return 0;
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}
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int HTTPPlayback::HTTP_Wake(int mask)
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{
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return PlaybackBase::Wake(mask);
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}
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int HTTPPlayback::HTTP_Check(int mask)
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{
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return PlaybackBase::Check(mask);
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}
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int HTTPPlayback::HTTP_Wait(unsigned int milliseconds, int mask)
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{
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return PlaybackBase::Wait(milliseconds, mask);
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}
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int HTTPPlayback::HTTP_Sleep(int milliseconds, int mask)
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{
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return PlaybackBase::Sleep(milliseconds, mask);
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}
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Agave_Seek *HTTPPlayback::HTTP_GetSeek()
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{
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return PlaybackBase::GetSeek();
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}
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void HTTPPlayback::HTTP_FreeSeek(Agave_Seek *seek)
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{
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PlaybackBase::FreeSeek(seek);
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}
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int HTTPPlayback::HTTP_Seek(uint64_t byte_position)
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{
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jnl_http_reset_headers(http);
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SetupHTTP(http);
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return Internal_Connect(byte_position);
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}
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#if defined(_WIN32) && !defined(strcasecmp)
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#define strcasecmp _stricmp
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#endif
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int HTTPPlayback::HTTP_Seekable()
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{
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const char *accept_ranges = jnl_http_getheader(http, "accept-ranges");
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if (accept_ranges && !strcasecmp(accept_ranges, "none"))
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return NErr_False; /* server says it doesn't accept ranges */
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/* note that not having an accept-ranges header doesn't necessary mean it's not seekable. see RFC2616 14.5 */
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return NErr_True;
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}
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int HTTPPlayback::HTTP_AudioOpen(const ifc_audioout::Parameters *format, ifc_audioout **out_output)
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{
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__android_log_print(ANDROID_LOG_INFO, "libreplicant", "[http] output_service=%x", output_service);
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return output_service->AudioOpen(format, player, secondary_parameters, out_output);
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}
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