| // Copyright (c) 2012 The WebM project authors. All Rights Reserved. |
| // |
| // Use of this source code is governed by a BSD-style license |
| // that can be found in the LICENSE file in the root of the source |
| // tree. An additional intellectual property rights grant can be found |
| // in the file PATENTS. All contributing project authors may |
| // be found in the AUTHORS file in the root of the source tree. |
| #include <cstdlib> |
| #include <cstring> |
| #include <limits> |
| #include <memory> |
| #include <queue> |
| #include <string> |
| #include <vector> |
| |
| #include "indent.h" |
| #include "mkvparser/mkvparser.h" |
| #include "mkvparser/mkvreader.h" |
| #include "webm_constants.h" |
| #include "webm_endian.h" |
| |
| namespace { |
| |
| using mkvparser::ContentEncoding; |
| using std::string; |
| using std::wstring; |
| using webm_tools::Indent; |
| using webm_tools::int64; |
| using webm_tools::uint8; |
| using webm_tools::uint32; |
| using webm_tools::uint64; |
| using webm_tools::kNanosecondsPerSecond; |
| using webm_tools::kNanosecondsPerSecondi; |
| |
| const char VERSION_STRING[] = "1.0.3.0"; |
| |
| struct Options { |
| Options(); |
| |
| // Returns true if |value| matches -|option| or -no|option|. |
| static bool MatchesBooleanOption(const string& option, const string& value); |
| |
| // Set all of the member variables to |value|. |
| void SetAll(bool value); |
| |
| bool output_video; |
| bool output_audio; |
| bool output_size; |
| bool output_offset; |
| bool output_seconds; |
| bool output_ebml_header; |
| bool output_segment; |
| bool output_seekhead; |
| bool output_segment_info; |
| bool output_tracks; |
| bool output_clusters; |
| bool output_blocks; |
| bool output_codec_info; |
| bool output_clusters_size; |
| bool output_encrypted_info; |
| bool output_cues; |
| bool output_frame_stats; |
| }; |
| |
| Options::Options() |
| : output_video(true), |
| output_audio(true), |
| output_size(false), |
| output_offset(false), |
| output_seconds(true), |
| output_ebml_header(true), |
| output_segment(true), |
| output_seekhead(false), |
| output_segment_info(true), |
| output_tracks(true), |
| output_clusters(false), |
| output_blocks(false), |
| output_codec_info(false), |
| output_clusters_size(false), |
| output_encrypted_info(false), |
| output_cues(false), |
| output_frame_stats(false) { |
| } |
| |
| void Options::SetAll(bool value) { |
| output_video = value; |
| output_audio = value; |
| output_size = value; |
| output_offset = value; |
| output_ebml_header = value; |
| output_seconds = value; |
| output_segment = value; |
| output_segment_info = value; |
| output_tracks = value; |
| output_clusters = value; |
| output_blocks = value; |
| output_codec_info = value; |
| output_clusters_size = value; |
| output_encrypted_info = value; |
| output_cues = value; |
| output_frame_stats = value; |
| } |
| |
| bool Options::MatchesBooleanOption(const string& option, const string& value) { |
| const string opt = "-" + option; |
| const string noopt = "-no" + option; |
| return value == opt || value == noopt; |
| } |
| |
| struct FrameStats { |
| FrameStats() |
| : frames(0), |
| displayed_frames(0), |
| first_altref(true), |
| frames_since_last_altref(0), |
| minimum_altref_distance(std::numeric_limits<int>::max()), |
| min_altref_end_ns(0), |
| max_window_size(0), |
| max_window_end_ns(0) { |
| } |
| |
| int frames; |
| int displayed_frames; |
| |
| bool first_altref; |
| int frames_since_last_altref; |
| int minimum_altref_distance; |
| int64 min_altref_end_ns; |
| |
| std::queue<int64> window; |
| int64 max_window_size; |
| int64 max_window_end_ns; |
| }; |
| |
| void Usage() { |
| printf("Usage: webm_info [options] -i input\n"); |
| printf("\n"); |
| printf("Main options:\n"); |
| printf(" -h | -? show help\n"); |
| printf(" -v show version\n"); |
| printf(" -all Enable all output options.\n"); |
| printf(" -video Output video tracks (true)\n"); |
| printf(" -audio Output audio tracks (true)\n"); |
| printf(" -size Output element sizes (false)\n"); |
| printf(" -offset Output element offsets (false)\n"); |
| printf(" -times_seconds Output times as seconds (true)\n"); |
| printf(" -ebml_header Output EBML header (true)\n"); |
| printf(" -segment Output Segment (true)\n"); |
| printf(" -seekhead Output SeekHead (false)\n"); |
| printf(" -segment_info Output SegmentInfo (true)\n"); |
| printf(" -tracks Output Tracks (true)\n"); |
| printf(" -clusters Output Clusters (false)\n"); |
| printf(" -blocks Output Blocks (false)\n"); |
| printf(" -codec_info Output video codec information (false)\n"); |
| printf(" -clusters_size Output Total Clusters size (false)\n"); |
| printf(" -encrypted_info Output encrypted frame info (false)\n"); |
| printf(" -cues Output Cues entries (false)\n"); |
| printf(" -frame_stats Output frame stats (VP9)(false)\n"); |
| printf("\nOutput options may be negated by prefixing 'no'.\n"); |
| } |
| |
| // TODO(fgalligan): Add support for non-ascii. |
| wstring UTF8ToWideString(const char* str) { |
| wstring wstr; |
| |
| if (str == NULL) |
| return wstr; |
| |
| string temp_str(str, strlen(str)); |
| wstr.assign(temp_str.begin(), temp_str.end()); |
| |
| return wstr; |
| } |
| |
| void OutputEBMLHeader(const mkvparser::EBMLHeader& ebml, |
| FILE* o, |
| Indent* indent) { |
| fprintf(o, "EBML Header:\n"); |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| fprintf(o, "%sEBMLVersion : %lld\n", |
| indent->indent_str().c_str(), ebml.m_version); |
| fprintf(o, "%sEBMLReadVersion : %lld\n", |
| indent->indent_str().c_str(), ebml.m_readVersion); |
| fprintf(o, "%sEBMLMaxIDLength : %lld\n", |
| indent->indent_str().c_str(), ebml.m_maxIdLength); |
| fprintf(o, "%sEBMLMaxSizeLength : %lld\n", |
| indent->indent_str().c_str(), ebml.m_maxSizeLength); |
| fprintf(o, "%sDoc Type : %s\n", |
| indent->indent_str().c_str(), ebml.m_docType); |
| fprintf(o, "%sDocTypeVersion : %lld\n", |
| indent->indent_str().c_str(), ebml.m_docTypeVersion); |
| fprintf(o, "%sDocTypeReadVersion: %lld\n", |
| indent->indent_str().c_str(), ebml.m_docTypeReadVersion); |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| } |
| |
| void OutputSegment(const mkvparser::Segment& segment, |
| const Options& options, |
| FILE* o) { |
| fprintf(o, "Segment:"); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", segment.m_element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", |
| segment.m_size + segment.m_start - segment.m_element_start); |
| fprintf(o, "\n"); |
| } |
| |
| bool OutputSeekHead(const mkvparser::Segment& segment, |
| const Options& options, FILE* o, Indent* indent) { |
| const mkvparser::SeekHead* const seekhead = segment.GetSeekHead(); |
| if (!seekhead) { |
| // SeekHeads are optional. |
| return true; |
| } |
| |
| fprintf(o, "%sSeekHead:", indent->indent_str().c_str()); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", seekhead->m_element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", seekhead->m_element_size); |
| fprintf(o, "\n"); |
| |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| |
| for (int i = 0; i < seekhead->GetCount(); ++i) { |
| const mkvparser::SeekHead::Entry* const entry = seekhead->GetEntry(i); |
| if (!entry) { |
| fprintf(stderr, "Error retrieving SeekHead entry #%d\n", i); |
| return false; |
| } |
| |
| fprintf(o, "%sEntry[%d]", indent->indent_str().c_str(), i); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", entry->element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", entry->element_size); |
| fprintf(o, "\n"); |
| |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| const char* const entry_indent = indent->indent_str().c_str(); |
| // TODO(jzern): 1) known ids could be stringified. 2) ids could be |
| // reencoded to EBML for ease of lookup. |
| fprintf(o, "%sSeek ID : %llx\n", entry_indent, entry->id); |
| fprintf(o, "%sSeek position : %lld\n", entry_indent, entry->pos); |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| } |
| |
| for (int i = 0; i < seekhead->GetVoidElementCount(); ++i) { |
| const mkvparser::SeekHead::VoidElement* const entry = |
| seekhead->GetVoidElement(i); |
| if (!entry) { |
| fprintf(stderr, "Error retrieving SeekHead void element #%d\n", i); |
| return false; |
| } |
| |
| fprintf(o, "%sVoid element[%d]", indent->indent_str().c_str(), i); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", entry->element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", entry->element_size); |
| fprintf(o, "\n"); |
| } |
| |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| return true; |
| } |
| |
| bool OutputSegmentInfo(const mkvparser::Segment& segment, |
| const Options& options, |
| FILE* o, |
| Indent* indent) { |
| const mkvparser::SegmentInfo* const segment_info = segment.GetInfo(); |
| if (!segment_info) { |
| fprintf(stderr, "SegmentInfo was NULL.\n"); |
| return false; |
| } |
| |
| const int64 timecode_scale = segment_info->GetTimeCodeScale(); |
| const int64 duration_ns = segment_info->GetDuration(); |
| const wstring title = UTF8ToWideString(segment_info->GetTitleAsUTF8()); |
| const wstring muxing_app = |
| UTF8ToWideString(segment_info->GetMuxingAppAsUTF8()); |
| const wstring writing_app = |
| UTF8ToWideString(segment_info->GetWritingAppAsUTF8()); |
| |
| fprintf(o, "%sSegmentInfo:", indent->indent_str().c_str()); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", segment_info->m_element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", segment_info->m_element_size); |
| fprintf(o, "\n"); |
| |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| fprintf(o, "%sTimecodeScale : %lld \n", |
| indent->indent_str().c_str(), timecode_scale); |
| if (options.output_seconds) |
| fprintf(o, "%sDuration(secs): %g\n", |
| indent->indent_str().c_str(), duration_ns / kNanosecondsPerSecond); |
| else |
| fprintf(o, "%sDuration(nano): %lld\n", |
| indent->indent_str().c_str(), duration_ns); |
| |
| if (!title.empty()) |
| fprintf(o, "%sTitle : %ls\n", |
| indent->indent_str().c_str(), title.c_str()); |
| if (!muxing_app.empty()) |
| fprintf(o, "%sMuxingApp : %ls\n", |
| indent->indent_str().c_str(), muxing_app.c_str()); |
| if (!writing_app.empty()) |
| fprintf(o, "%sWritingApp : %ls\n", |
| indent->indent_str().c_str(), writing_app.c_str()); |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| return true; |
| } |
| |
| bool OutputTracks(const mkvparser::Segment& segment, |
| const Options& options, |
| FILE* o, |
| Indent* indent) { |
| const mkvparser::Tracks* const tracks = segment.GetTracks(); |
| if (!tracks) { |
| fprintf(stderr, "Tracks was NULL.\n"); |
| return false; |
| } |
| |
| fprintf(o, "%sTracks:", indent->indent_str().c_str()); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", tracks->m_element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", tracks->m_element_size); |
| fprintf(o, "\n"); |
| |
| unsigned int i = 0; |
| const unsigned int j = tracks->GetTracksCount(); |
| while (i != j) { |
| const mkvparser::Track* const track = tracks->GetTrackByIndex(i++); |
| if (track == NULL) |
| continue; |
| |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| fprintf(o, "%sTrack:", indent->indent_str().c_str()); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", track->m_element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", track->m_element_size); |
| fprintf(o, "\n"); |
| |
| const int64 track_type = track->GetType(); |
| const int64 track_number = track->GetNumber(); |
| const wstring track_name = UTF8ToWideString(track->GetNameAsUTF8()); |
| |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| fprintf(o, "%sTrackType : %lld\n", |
| indent->indent_str().c_str(), track_type); |
| fprintf(o, "%sTrackNumber : %lld\n", |
| indent->indent_str().c_str(), track_number); |
| if (!track_name.empty()) |
| fprintf(o, "%sName : %ls\n", |
| indent->indent_str().c_str(), track_name.c_str()); |
| |
| const char* const codec_id = track->GetCodecId(); |
| if (codec_id) |
| fprintf(o, "%sCodecID : %s\n", |
| indent->indent_str().c_str(), codec_id); |
| |
| const wstring codec_name = UTF8ToWideString(track->GetCodecNameAsUTF8()); |
| if (!codec_name.empty()) |
| fprintf(o, "%sCodecName : %ls\n", |
| indent->indent_str().c_str(), codec_name.c_str()); |
| |
| size_t private_size; |
| const unsigned char* const private_data = |
| track->GetCodecPrivate(private_size); |
| if (private_data) |
| fprintf(o, "%sPrivateData(size): %d\n", |
| indent->indent_str().c_str(), static_cast<int>(private_size)); |
| |
| const uint64 default_duration = track->GetDefaultDuration(); |
| if (default_duration > 0) |
| fprintf(o, "%sDefaultDuration: %llu\n", |
| indent->indent_str().c_str(), default_duration); |
| |
| if (track->GetContentEncodingCount() > 0) { |
| // Only check the first content encoding. |
| const ContentEncoding* const encoding = |
| track->GetContentEncodingByIndex(0); |
| if (!encoding) { |
| printf("Could not get first ContentEncoding.\n"); |
| return false; |
| } |
| |
| fprintf(o, "%sContentEncodingOrder : %lld\n", |
| indent->indent_str().c_str(), encoding->encoding_order()); |
| fprintf(o, "%sContentEncodingScope : %lld\n", |
| indent->indent_str().c_str(), encoding->encoding_scope()); |
| fprintf(o, "%sContentEncodingType : %lld\n", |
| indent->indent_str().c_str(), encoding->encoding_type()); |
| |
| if (encoding->GetEncryptionCount() > 0) { |
| // Only check the first encryption. |
| const ContentEncoding::ContentEncryption* const encryption = |
| encoding->GetEncryptionByIndex(0); |
| if (!encryption) { |
| printf("Could not get first ContentEncryption.\n"); |
| return false; |
| } |
| |
| fprintf(o, "%sContentEncAlgo : %lld\n", |
| indent->indent_str().c_str(), encryption->algo); |
| |
| if (encryption->key_id_len > 0) { |
| fprintf(o, "%sContentEncKeyID : ", |
| indent->indent_str().c_str()); |
| for (int k = 0; k < encryption->key_id_len; ++k) { |
| fprintf(o, "0x%02x, ", encryption->key_id[k]); |
| } |
| fprintf(o, "\n"); |
| } |
| |
| if (encryption->signature_len > 0) { |
| fprintf(o, "%sContentSignature : 0x", |
| indent->indent_str().c_str()); |
| for (int k = 0; k < encryption->signature_len; ++k) { |
| fprintf(o, "%x", encryption->signature[k]); |
| } |
| fprintf(o, "\n"); |
| } |
| |
| if (encryption->sig_key_id_len > 0) { |
| fprintf(o, "%sContentSigKeyID : 0x", |
| indent->indent_str().c_str()); |
| for (int k = 0; k < encryption->sig_key_id_len; ++k) { |
| fprintf(o, "%x", encryption->sig_key_id[k]); |
| } |
| fprintf(o, "\n"); |
| } |
| |
| fprintf(o, "%sContentSigAlgo : %lld\n", |
| indent->indent_str().c_str(), encryption->sig_algo); |
| fprintf(o, "%sContentSigHashAlgo : %lld\n", |
| indent->indent_str().c_str(), encryption->sig_hash_algo); |
| |
| const ContentEncoding::ContentEncAESSettings& aes = |
| encryption->aes_settings; |
| fprintf(o, "%sCipherMode : %lld\n", |
| indent->indent_str().c_str(), aes.cipher_mode); |
| } |
| } |
| |
| if (track_type == mkvparser::Track::kVideo) { |
| const mkvparser::VideoTrack* const video_track = |
| static_cast<const mkvparser::VideoTrack* const>(track); |
| const int64 width = video_track->GetWidth(); |
| const int64 height = video_track->GetHeight(); |
| const int64 display_width = video_track->GetDisplayWidth(); |
| const int64 display_height = video_track->GetDisplayHeight(); |
| const int64 display_unit = video_track->GetDisplayUnit(); |
| const double frame_rate = video_track->GetFrameRate(); |
| fprintf(o, "%sPixelWidth : %lld\n", |
| indent->indent_str().c_str(), width); |
| fprintf(o, "%sPixelHeight : %lld\n", |
| indent->indent_str().c_str(), height); |
| if (frame_rate > 0.0) |
| fprintf(o, "%sFrameRate : %g\n", |
| indent->indent_str().c_str(), video_track->GetFrameRate()); |
| if (display_unit > 0 || display_width != width || |
| display_height != height) { |
| fprintf(o, "%sDisplayWidth : %lld\n", indent->indent_str().c_str(), |
| display_width); |
| fprintf(o, "%sDisplayHeight : %lld\n", indent->indent_str().c_str(), |
| display_height); |
| fprintf(o, "%sDisplayUnit : %lld\n", indent->indent_str().c_str(), |
| display_unit); |
| } |
| } else if (track_type == mkvparser::Track::kAudio) { |
| const mkvparser::AudioTrack* const audio_track = |
| static_cast<const mkvparser::AudioTrack* const>(track); |
| const int64 channels = audio_track->GetChannels(); |
| const int64 bit_depth = audio_track->GetBitDepth(); |
| const uint64 codec_delay = audio_track->GetCodecDelay(); |
| const uint64 seek_preroll = audio_track->GetSeekPreRoll(); |
| fprintf(o, "%sChannels : %lld\n", |
| indent->indent_str().c_str(), channels); |
| if (bit_depth > 0) |
| fprintf(o, "%sBitDepth : %lld\n", |
| indent->indent_str().c_str(), bit_depth); |
| fprintf(o, "%sSamplingFrequency: %g\n", |
| indent->indent_str().c_str(), audio_track->GetSamplingRate()); |
| if (codec_delay) |
| fprintf(o, "%sCodecDelay : %llu\n", |
| indent->indent_str().c_str(), codec_delay); |
| if (seek_preroll) |
| fprintf(o, "%sSeekPreRoll : %llu\n", |
| indent->indent_str().c_str(), seek_preroll); |
| } |
| indent->Adjust(webm_tools::kDecreaseIndent * 2); |
| } |
| |
| return true; |
| } |
| |
| // libvpx reference: vp9/vp9_dx_iface.c |
| void ParseSuperframeIndex(const uint8* data, size_t data_sz, |
| uint32 sizes[8], int* count) { |
| const uint8 marker = data[data_sz - 1]; |
| *count = 0; |
| |
| if ((marker & 0xe0) == 0xc0) { |
| const int frames = (marker & 0x7) + 1; |
| const int mag = ((marker >> 3) & 0x3) + 1; |
| const size_t index_sz = 2 + mag * frames; |
| |
| if (data_sz >= index_sz && data[data_sz - index_sz] == marker) { |
| // found a valid superframe index |
| const uint8* x = data + data_sz - index_sz + 1; |
| |
| for (int i = 0; i < frames; ++i) { |
| uint32 this_sz = 0; |
| |
| for (int j = 0; j < mag; ++j) { |
| this_sz |= (*x++) << (j * 8); |
| } |
| sizes[i] = this_sz; |
| } |
| *count = frames; |
| } |
| } |
| } |
| |
| void PrintVP9Info(const uint8* data, int size, FILE* o, int64 time_ns, |
| FrameStats* stats) { |
| if (size < 1) return; |
| |
| uint32 sizes[8]; |
| int i = 0, count = 0; |
| ParseSuperframeIndex(data, size, sizes, &count); |
| |
| // Remove all frames that are less than window size. |
| while (!stats->window.empty() && |
| stats->window.front() < (time_ns - (kNanosecondsPerSecondi - 1))) |
| stats->window.pop(); |
| |
| do { |
| // const int frame_marker = (data[0] >> 6) & 0x3; |
| // TODO(jzern): profile > 2 uses 3 bits in the header. |
| const int version = (data[0] >> 4) & 0x3; |
| const int key = !((data[0] >> 2) & 0x1); |
| const int altref_frame = !((data[0] >> 1) & 0x1); |
| const int error_resilient_mode = data[0] & 0x1; |
| if (version > 2) { |
| fprintf(o, " profile > 2 is unsupported"); |
| return; |
| } |
| |
| if (key && |
| !(size >= 4 && data[1] == 0x49 && data[2] == 0x83 && data[3] == 0x42)) { |
| fprintf(o, " invalid VP9 signature"); |
| return; |
| } |
| |
| stats->window.push(time_ns); |
| ++stats->frames; |
| |
| if (altref_frame) { |
| const int delta_altref = stats->frames_since_last_altref; |
| if (stats->first_altref) { |
| stats->first_altref = false; |
| } else if (delta_altref < stats->minimum_altref_distance) { |
| stats->minimum_altref_distance = delta_altref; |
| stats->min_altref_end_ns = time_ns; |
| } |
| stats->frames_since_last_altref = 0; |
| } else { |
| ++stats->frames_since_last_altref; |
| ++stats->displayed_frames; |
| } |
| |
| if (count > 0) { |
| fprintf(o, " packed [%d]: {", i); |
| } |
| |
| fprintf(o, " key:%d v:%d altref:%d errm:%d", |
| key, version, altref_frame, error_resilient_mode); |
| |
| if (key && size > 4) { |
| fprintf(o, " cs:%d", (data[4] >> 5) & 0x7); |
| } |
| |
| if (count > 0) { |
| fprintf(o, " size: %u }", sizes[i]); |
| data += sizes[i]; |
| size -= sizes[i]; |
| } |
| ++i; |
| } while (i < count); |
| |
| if (stats->max_window_size < static_cast<int64>(stats->window.size())) { |
| stats->max_window_size = stats->window.size(); |
| stats->max_window_end_ns = time_ns; |
| } |
| } |
| |
| void PrintVP8Info(const uint8* data, int size, FILE* o) { |
| if (size < 3) return; |
| |
| const uint32 bits = data[0] | (data[1] << 8) | (data[2] << 16); |
| const int key = !(bits & 0x1); |
| const int altref_frame = !((bits >> 4) & 0x1); |
| const int version = (bits >> 1) & 0x7; |
| const int partition_length = (bits >> 5) & 0x7FFFF; |
| if (key && |
| !(size >= 6 && data[3] == 0x9d && data[4] == 0x01 && data[5] == 0x2a)) { |
| fprintf(o, " invalid VP8 signature"); |
| return; |
| } |
| fprintf(o, " key:%d v:%d altref:%d partition_length:%d", |
| key, version, altref_frame, partition_length); |
| } |
| |
| bool OutputCluster(const mkvparser::Cluster& cluster, |
| const mkvparser::Tracks& tracks, |
| const Options& options, |
| FILE* o, |
| mkvparser::MkvReader* reader, |
| Indent* indent, |
| int64* clusters_size, |
| FrameStats* stats) { |
| if (clusters_size) { |
| // Load the Cluster. |
| const mkvparser::BlockEntry* block_entry; |
| int status = cluster.GetFirst(block_entry); |
| if (status) { |
| fprintf(stderr, "Could not get first Block of Cluster.\n"); |
| return false; |
| } |
| |
| *clusters_size += cluster.GetElementSize(); |
| } |
| |
| if (options.output_clusters) { |
| const int64 time_ns = cluster.GetTime(); |
| const int64 duration_ns = cluster.GetLastTime() - cluster.GetFirstTime(); |
| |
| fprintf(o, "%sCluster:", indent->indent_str().c_str()); |
| if (options.output_offset) |
| fprintf(o, " @: %lld", cluster.m_element_start); |
| if (options.output_size) |
| fprintf(o, " size: %lld", cluster.GetElementSize()); |
| fprintf(o, "\n"); |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| if (options.output_seconds) |
| fprintf(o, "%sTimecode (sec) : %g\n", |
| indent->indent_str().c_str(), time_ns / kNanosecondsPerSecond); |
| else |
| fprintf(o, "%sTimecode (nano): %lld\n", |
| indent->indent_str().c_str(), time_ns); |
| if (options.output_seconds) |
| fprintf(o, "%sDuration (sec) : %g\n", |
| indent->indent_str().c_str(), |
| duration_ns / kNanosecondsPerSecond); |
| else |
| fprintf(o, "%sDuration (nano): %lld\n", |
| indent->indent_str().c_str(), duration_ns); |
| |
| fprintf(o, "%s# Blocks : %ld\n", |
| indent->indent_str().c_str(), cluster.GetEntryCount()); |
| } |
| |
| if (options.output_blocks) { |
| const mkvparser::BlockEntry* block_entry; |
| int status = cluster.GetFirst(block_entry); |
| if (status) { |
| fprintf(stderr, "Could not get first Block of Cluster.\n"); |
| return false; |
| } |
| |
| std::vector<unsigned char> vector_data; |
| while (block_entry != NULL && !block_entry->EOS()) { |
| const mkvparser::Block* const block = block_entry->GetBlock(); |
| if (!block) { |
| fprintf(stderr, "Could not getblock entry.\n"); |
| return false; |
| } |
| |
| const unsigned int track_number = |
| static_cast<unsigned int>(block->GetTrackNumber()); |
| const mkvparser::Track* track = tracks.GetTrackByNumber(track_number); |
| if (!track) { |
| fprintf(stderr, "Could not get Track.\n"); |
| return false; |
| } |
| |
| const int64 track_type = track->GetType(); |
| if ((track_type == mkvparser::Track::kVideo && options.output_video) || |
| (track_type == mkvparser::Track::kAudio && options.output_audio)) { |
| const int64 time_ns = block->GetTime(&cluster); |
| const bool is_key = block->IsKey(); |
| |
| if (block_entry->GetKind() == mkvparser::BlockEntry::kBlockGroup) { |
| fprintf(o, "%sBlockGroup:\n", indent->indent_str().c_str()); |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| } |
| |
| fprintf(o, "%sBlock: type:%s frame:%s", |
| indent->indent_str().c_str(), |
| track_type == mkvparser::Track::kVideo ? "V" : "A", |
| is_key ? "I" : "P"); |
| if (options.output_seconds) |
| fprintf(o, " secs:%5g", time_ns / kNanosecondsPerSecond); |
| else |
| fprintf(o, " nano:%10lld", time_ns); |
| |
| if (options.output_offset) |
| fprintf(o, " @_payload: %lld", block->m_start); |
| if (options.output_size) |
| fprintf(o, " size_payload: %lld", block->m_size); |
| |
| const uint8 KEncryptedBit = 0x1; |
| const int kSignalByteSize = 1; |
| bool encrypted_stream = false; |
| if (options.output_encrypted_info) { |
| if (track->GetContentEncodingCount() > 0) { |
| // Only check the first content encoding. |
| const ContentEncoding* const encoding = |
| track->GetContentEncodingByIndex(0); |
| if (encoding) { |
| if (encoding->GetEncryptionCount() > 0) { |
| const ContentEncoding::ContentEncryption* const encryption = |
| encoding->GetEncryptionByIndex(0); |
| if (encryption) { |
| const ContentEncoding::ContentEncAESSettings& aes = |
| encryption->aes_settings; |
| if (aes.cipher_mode == 1) { |
| encrypted_stream = true; |
| } |
| } |
| } |
| } |
| } |
| |
| if (encrypted_stream) { |
| const mkvparser::Block::Frame& frame = block->GetFrame(0); |
| if (frame.len > static_cast<int>(vector_data.size())) { |
| vector_data.resize(frame.len + 1024); |
| } |
| |
| unsigned char* data = &vector_data[0]; |
| if (frame.Read(reader, data) < 0) { |
| fprintf(stderr, "Could not read frame.\n"); |
| return false; |
| } |
| |
| const bool encrypted_frame = (data[0] & KEncryptedBit) ? 1 : 0; |
| fprintf(o, " enc: %d", encrypted_frame ? 1 : 0); |
| |
| if (encrypted_frame) { |
| uint64 iv; |
| memcpy(&iv, data + kSignalByteSize, sizeof(iv)); |
| fprintf(o, " iv: %llx", iv); |
| } |
| } |
| } |
| |
| if (options.output_codec_info) { |
| const int frame_count = block->GetFrameCount(); |
| |
| if (frame_count > 1) { |
| fprintf(o, "\n"); |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| } |
| |
| for (int i = 0; i < frame_count; ++i) { |
| if (track_type == mkvparser::Track::kVideo) { |
| const mkvparser::Block::Frame& frame = block->GetFrame(i); |
| if (frame.len > static_cast<int>(vector_data.size())) { |
| vector_data.resize(frame.len + 1024); |
| } |
| |
| unsigned char* data = &vector_data[0]; |
| if (frame.Read(reader, data) < 0) { |
| fprintf(stderr, "Could not read frame.\n"); |
| return false; |
| } |
| |
| if (frame_count > 1) |
| fprintf(o, "\n%sVP8 data :", indent->indent_str().c_str()); |
| |
| bool encrypted_frame = false; |
| int frame_offset = 0; |
| if (encrypted_stream) { |
| if (data[0] & KEncryptedBit) { |
| encrypted_frame = true; |
| } else { |
| frame_offset = kSignalByteSize; |
| } |
| } |
| |
| if (!encrypted_frame) { |
| data += frame_offset; |
| |
| const string codec_id = track->GetCodecId(); |
| if (codec_id == "V_VP8") { |
| PrintVP8Info(data, frame.len, o); |
| } else if (codec_id == "V_VP9") { |
| PrintVP9Info(data, frame.len, o, time_ns, stats); |
| } |
| } |
| } |
| } |
| |
| if (frame_count > 1) |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| } |
| |
| if (block_entry->GetKind() == mkvparser::BlockEntry::kBlockGroup) { |
| const int64 discard_padding = block->GetDiscardPadding(); |
| if (discard_padding != 0) { |
| fprintf(o, "\n%sDiscardPadding: %10lld", |
| indent->indent_str().c_str(), discard_padding); |
| } |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| } |
| |
| fprintf(o, "\n"); |
| } |
| |
| status = cluster.GetNext(block_entry, block_entry); |
| if (status) { |
| printf("\n Could not get next block of cluster.\n"); |
| return false; |
| } |
| } |
| } |
| |
| if (options.output_clusters) |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| |
| return true; |
| } |
| |
| bool OutputCues(const mkvparser::Segment& segment, |
| const mkvparser::Tracks& tracks, |
| const Options& options, |
| FILE* o, |
| Indent* indent) { |
| const mkvparser::Cues* const cues = segment.GetCues(); |
| if (cues == NULL) |
| return true; |
| |
| // Load all of the cue points. |
| while (!cues->DoneParsing()) |
| cues->LoadCuePoint(); |
| |
| // Confirm that the input has cue points. |
| const mkvparser::CuePoint* const first_cue = cues->GetFirst(); |
| if (first_cue == NULL) { |
| fprintf(o, "%sNo cue points.\n", indent->indent_str().c_str()); |
| return true; |
| } |
| |
| // Input has cue points, dump them: |
| fprintf(o, "%sCues:", indent->indent_str().c_str()); |
| if (options.output_offset) |
| fprintf(o, " @:%lld", cues->m_element_start); |
| if (options.output_size) |
| fprintf(o, " size:%lld", cues->m_element_size); |
| fprintf(o, "\n"); |
| |
| const mkvparser::CuePoint* cue_point = first_cue; |
| int cue_point_num = 1; |
| const int num_tracks = tracks.GetTracksCount(); |
| indent->Adjust(webm_tools::kIncreaseIndent); |
| |
| do { |
| for (int track_num = 1; track_num <= num_tracks; ++track_num) { |
| const mkvparser::Track* const track = tracks.GetTrackByNumber(track_num); |
| const mkvparser::CuePoint::TrackPosition* const track_pos = |
| cue_point->Find(track); |
| |
| if (track_pos != NULL) { |
| const char track_type = |
| (track->GetType() == mkvparser::Track::kVideo) ? 'V' : 'A'; |
| fprintf(o, "%sCue Point:%d type:%c track:%d", |
| indent->indent_str().c_str(), cue_point_num, |
| track_type, track_num); |
| |
| if (options.output_seconds) { |
| fprintf(o, " secs:%g", |
| cue_point->GetTime(&segment) / kNanosecondsPerSecond); |
| } else { |
| fprintf(o, " nano:%lld", cue_point->GetTime(&segment)); |
| } |
| |
| if (options.output_blocks) |
| fprintf(o, " block:%lld", track_pos->m_block); |
| |
| if (options.output_offset) |
| fprintf(o, " @:%lld", track_pos->m_pos); |
| |
| fprintf(o, "\n"); |
| } |
| } |
| |
| cue_point = cues->GetNext(cue_point); |
| ++cue_point_num; |
| } while (cue_point != NULL); |
| |
| indent->Adjust(webm_tools::kDecreaseIndent); |
| return true; |
| } |
| |
| } // namespace |
| |
| int main(int argc, char* argv[]) { |
| string input; |
| Options options; |
| |
| const int argc_check = argc - 1; |
| for (int i = 1; i < argc; ++i) { |
| if (!strcmp("-h", argv[i]) || !strcmp("-?", argv[i])) { |
| Usage(); |
| return EXIT_SUCCESS; |
| } else if (!strcmp("-v", argv[i])) { |
| printf("version: %s\n", VERSION_STRING); |
| } else if (!strcmp("-i", argv[i]) && i < argc_check) { |
| input = argv[++i]; |
| } else if (!strcmp("-all", argv[i])) { |
| options.SetAll(true); |
| } else if (Options::MatchesBooleanOption("video", argv[i])) { |
| options.output_video = !strcmp("-video", argv[i]); |
| } else if (Options::MatchesBooleanOption("audio", argv[i])) { |
| options.output_audio = !strcmp("-audio", argv[i]); |
| } else if (Options::MatchesBooleanOption("size", argv[i])) { |
| options.output_size = !strcmp("-size", argv[i]); |
| } else if (Options::MatchesBooleanOption("offset", argv[i])) { |
| options.output_offset = !strcmp("-offset", argv[i]); |
| } else if (Options::MatchesBooleanOption("times_seconds", argv[i])) { |
| options.output_seconds = !strcmp("-times_seconds", argv[i]); |
| } else if (Options::MatchesBooleanOption("ebml_header", argv[i])) { |
| options.output_ebml_header = !strcmp("-ebml_header", argv[i]); |
| } else if (Options::MatchesBooleanOption("segment", argv[i])) { |
| options.output_segment = !strcmp("-segment", argv[i]); |
| } else if (Options::MatchesBooleanOption("seekhead", argv[i])) { |
| options.output_seekhead = !strcmp("-seekhead", argv[i]); |
| } else if (Options::MatchesBooleanOption("segment_info", argv[i])) { |
| options.output_segment_info = !strcmp("-segment_info", argv[i]); |
| } else if (Options::MatchesBooleanOption("tracks", argv[i])) { |
| options.output_tracks = !strcmp("-tracks", argv[i]); |
| } else if (Options::MatchesBooleanOption("clusters", argv[i])) { |
| options.output_clusters = !strcmp("-clusters", argv[i]); |
| } else if (Options::MatchesBooleanOption("blocks", argv[i])) { |
| options.output_blocks = !strcmp("-blocks", argv[i]); |
| } else if (Options::MatchesBooleanOption("codec_info", argv[i])) { |
| options.output_codec_info = !strcmp("-codec_info", argv[i]); |
| } else if (Options::MatchesBooleanOption("clusters_size", argv[i])) { |
| options.output_clusters_size = !strcmp("-clusters_size", argv[i]); |
| } else if (Options::MatchesBooleanOption("encrypted_info", argv[i])) { |
| options.output_encrypted_info = !strcmp("-encrypted_info", argv[i]); |
| } else if (Options::MatchesBooleanOption("cues", argv[i])) { |
| options.output_cues = !strcmp("-cues", argv[i]); |
| } else if (Options::MatchesBooleanOption("frame_stats", argv[i])) { |
| options.output_frame_stats = !strcmp("-frame_stats", argv[i]); |
| } |
| } |
| |
| if (argc < 3 || input.empty()) { |
| Usage(); |
| return EXIT_FAILURE; |
| } |
| |
| // TODO(fgalligan): Replace auto_ptr with scoped_ptr. |
| std::auto_ptr<mkvparser::MkvReader> |
| reader(new (std::nothrow) mkvparser::MkvReader()); // NOLINT |
| if (reader->Open(input.c_str())) { |
| fprintf(stderr, "Error opening file:%s\n", input.c_str()); |
| return EXIT_FAILURE; |
| } |
| |
| int64 pos = 0; |
| std::auto_ptr<mkvparser::EBMLHeader> |
| ebml_header(new (std::nothrow) mkvparser::EBMLHeader()); // NOLINT |
| if (ebml_header->Parse(reader.get(), pos) < 0) { |
| fprintf(stderr, "Error parsing EBML header.\n"); |
| return EXIT_FAILURE; |
| } |
| |
| Indent indent(0); |
| FILE* out = stdout; |
| |
| if (options.output_ebml_header) |
| OutputEBMLHeader(*ebml_header.get(), out, &indent); |
| |
| mkvparser::Segment* temp_segment; |
| if (mkvparser::Segment::CreateInstance(reader.get(), pos, temp_segment)) { |
| fprintf(stderr, "Segment::CreateInstance() failed.\n"); |
| return EXIT_FAILURE; |
| } |
| std::auto_ptr<mkvparser::Segment> segment(temp_segment); |
| |
| if (segment->Load() < 0) { |
| fprintf(stderr, "Segment::Load() failed.\n"); |
| return EXIT_FAILURE; |
| } |
| |
| if (options.output_segment) { |
| OutputSegment(*(segment.get()), options, out); |
| indent.Adjust(webm_tools::kIncreaseIndent); |
| } |
| |
| if (options.output_seekhead) |
| if (!OutputSeekHead(*(segment.get()), options, out, &indent)) |
| return EXIT_FAILURE; |
| |
| if (options.output_segment_info) |
| if (!OutputSegmentInfo(*(segment.get()), options, out, &indent)) |
| return EXIT_FAILURE; |
| |
| if (options.output_tracks) |
| if (!OutputTracks(*(segment.get()), options, out, &indent)) |
| return EXIT_FAILURE; |
| |
| const mkvparser::Tracks* const tracks = segment->GetTracks(); |
| if (!tracks) { |
| fprintf(stderr, "Could not get Tracks.\n"); |
| return EXIT_FAILURE; |
| } |
| |
| // If Cues are before the clusters output them first. |
| if (options.output_cues) { |
| const mkvparser::Cluster* cluster = segment->GetFirst(); |
| const mkvparser::Cues* const cues = segment->GetCues(); |
| if (cluster != NULL && cues != NULL) { |
| if (cues->m_element_start < cluster->m_element_start) { |
| if (!OutputCues(*segment, *tracks, options, out, &indent)) { |
| return EXIT_FAILURE; |
| } |
| options.output_cues = false; |
| } |
| } |
| } |
| |
| if (options.output_clusters) |
| fprintf(out, "%sClusters (count):%ld\n", |
| indent.indent_str().c_str(), segment->GetCount()); |
| |
| int64 clusters_size = 0; |
| FrameStats stats; |
| const mkvparser::Cluster* cluster = segment->GetFirst(); |
| while (cluster != NULL && !cluster->EOS()) { |
| if (!OutputCluster(*cluster, |
| *tracks, |
| options, |
| out, |
| reader.get(), |
| &indent, |
| &clusters_size, |
| &stats)) |
| return EXIT_FAILURE; |
| cluster = segment->GetNext(cluster); |
| } |
| |
| if (options.output_clusters_size) |
| fprintf(out, "%sClusters (size):%lld\n", |
| indent.indent_str().c_str(), clusters_size); |
| |
| if (options.output_cues) |
| if (!OutputCues(*segment, *tracks, options, out, &indent)) |
| return EXIT_FAILURE; |
| |
| // TODO(fgalligan): Add support for VP8. |
| if (options.output_frame_stats && |
| stats.minimum_altref_distance != std::numeric_limits<int>::max()) { |
| const double actual_fps = |
| stats.frames / (segment->GetInfo()->GetDuration() / |
| kNanosecondsPerSecond); |
| const double displayed_fps = |
| stats.displayed_frames / (segment->GetInfo()->GetDuration() / |
| kNanosecondsPerSecond); |
| fprintf(out, "\nActual fps:%g Displayed fps:%g\n", |
| actual_fps, displayed_fps); |
| |
| fprintf(out, "Minimum Altref Distance:%d at:%g seconds\n", |
| stats.minimum_altref_distance, |
| stats.min_altref_end_ns / kNanosecondsPerSecond); |
| |
| // TODO(fgalligan): Add support for window duration other than 1 second. |
| const double sec_end = stats.max_window_end_ns / kNanosecondsPerSecond; |
| const double sec_start = |
| stats.max_window_end_ns > kNanosecondsPerSecondi ? sec_end - 1.0 : 0.0; |
| fprintf(out, "Maximum Window:%g-%g seconds Window fps:%lld\n", |
| sec_start, sec_end, stats.max_window_size); |
| } |
| return EXIT_SUCCESS; |
| } |
