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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/filters/ffmpeg_demuxer.h" | 5 #include "media/filters/ffmpeg_demuxer.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/base64.h" | 10 #include "base/base64.h" |
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| 116 uint8* side_data = av_packet_get_side_data( | 116 uint8* side_data = av_packet_get_side_data( |
| 117 packet.get(), | 117 packet.get(), |
| 118 AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL, | 118 AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL, |
| 119 &side_data_size); | 119 &side_data_size); |
| 120 | 120 |
| 121 // If a packet is returned by FFmpeg's av_parser_parse2() the packet will | 121 // If a packet is returned by FFmpeg's av_parser_parse2() the packet will |
| 122 // reference inner memory of FFmpeg. As such we should transfer the packet | 122 // reference inner memory of FFmpeg. As such we should transfer the packet |
| 123 // into memory we control. | 123 // into memory we control. |
| 124 scoped_refptr<DecoderBuffer> buffer; | 124 scoped_refptr<DecoderBuffer> buffer; |
| 125 if (side_data_size > 0) { | 125 if (side_data_size > 0) { |
| 126 buffer = DecoderBuffer::CopyFrom(packet.get()->data, packet.get()->size, | 126 buffer = DecoderBuffer::copy_from(packet.get()->data, packet.get()->size, |
| 127 side_data, side_data_size); | 127 side_data, side_data_size); |
| 128 } else { | 128 } else { |
| 129 buffer = DecoderBuffer::CopyFrom(packet.get()->data, packet.get()->size); | 129 buffer = DecoderBuffer::copy_from(packet.get()->data, packet.get()->size); |
| 130 } | 130 } |
| 131 | 131 |
| 132 if ((type() == DemuxerStream::AUDIO && audio_config_.is_encrypted()) || | 132 if ((type() == DemuxerStream::AUDIO && audio_config_.is_encrypted()) || |
| 133 (type() == DemuxerStream::VIDEO && video_config_.is_encrypted())) { | 133 (type() == DemuxerStream::VIDEO && video_config_.is_encrypted())) { |
| 134 scoped_ptr<DecryptConfig> config(WebMCreateDecryptConfig( | 134 scoped_ptr<DecryptConfig> config(WebMCreateDecryptConfig( |
| 135 packet->data, packet->size, | 135 packet->data, packet->size, |
| 136 reinterpret_cast<const uint8*>(encryption_key_id_.data()), | 136 reinterpret_cast<const uint8*>(encryption_key_id_.data()), |
| 137 encryption_key_id_.size())); | 137 encryption_key_id_.size())); |
| 138 if (!config) | 138 if (!config) |
| 139 LOG(ERROR) << "Creation of DecryptConfig failed."; | 139 LOG(ERROR) << "Creation of DecryptConfig failed."; |
| 140 buffer->SetDecryptConfig(config.Pass()); | 140 buffer->SetDecryptConfig(config.Pass()); |
| 141 } | 141 } |
| 142 | 142 |
| 143 buffer->SetTimestamp(ConvertStreamTimestamp( | 143 buffer->set_timestamp(ConvertStreamTimestamp( |
| 144 stream_->time_base, packet->pts)); | 144 stream_->time_base, packet->pts)); |
| 145 buffer->SetDuration(ConvertStreamTimestamp( | 145 buffer->set_duration(ConvertStreamTimestamp( |
| 146 stream_->time_base, packet->duration)); | 146 stream_->time_base, packet->duration)); |
| 147 if (buffer->GetTimestamp() != kNoTimestamp() && | 147 if (buffer->get_timestamp() != kNoTimestamp() && |
| 148 last_packet_timestamp_ != kNoTimestamp() && | 148 last_packet_timestamp_ != kNoTimestamp() && |
| 149 last_packet_timestamp_ < buffer->GetTimestamp()) { | 149 last_packet_timestamp_ < buffer->get_timestamp()) { |
| 150 buffered_ranges_.Add(last_packet_timestamp_, buffer->GetTimestamp()); | 150 buffered_ranges_.Add(last_packet_timestamp_, buffer->get_timestamp()); |
| 151 demuxer_->NotifyBufferingChanged(); | 151 demuxer_->NotifyBufferingChanged(); |
| 152 } | 152 } |
| 153 last_packet_timestamp_ = buffer->GetTimestamp(); | 153 last_packet_timestamp_ = buffer->get_timestamp(); |
| 154 | 154 |
| 155 buffer_queue_.Push(buffer); | 155 buffer_queue_.Push(buffer); |
| 156 SatisfyPendingRead(); | 156 SatisfyPendingRead(); |
| 157 } | 157 } |
| 158 | 158 |
| 159 void FFmpegDemuxerStream::SetEndOfStream() { | 159 void FFmpegDemuxerStream::SetEndOfStream() { |
| 160 DCHECK(message_loop_->BelongsToCurrentThread()); | 160 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 161 end_of_stream_ = true; | 161 end_of_stream_ = true; |
| 162 SatisfyPendingRead(); | 162 SatisfyPendingRead(); |
| 163 } | 163 } |
| 164 | 164 |
| 165 void FFmpegDemuxerStream::FlushBuffers() { | 165 void FFmpegDemuxerStream::FlushBuffers() { |
| 166 DCHECK(message_loop_->BelongsToCurrentThread()); | 166 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 167 DCHECK(read_cb_.is_null()) << "There should be no pending read"; | 167 DCHECK(read_cb_.is_null()) << "There should be no pending read"; |
| 168 buffer_queue_.Clear(); | 168 buffer_queue_.Clear(); |
| 169 end_of_stream_ = false; | 169 end_of_stream_ = false; |
| 170 last_packet_timestamp_ = kNoTimestamp(); | 170 last_packet_timestamp_ = kNoTimestamp(); |
| 171 } | 171 } |
| 172 | 172 |
| 173 void FFmpegDemuxerStream::Stop() { | 173 void FFmpegDemuxerStream::Stop() { |
| 174 DCHECK(message_loop_->BelongsToCurrentThread()); | 174 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 175 buffer_queue_.Clear(); | 175 buffer_queue_.Clear(); |
| 176 if (!read_cb_.is_null()) { | 176 if (!read_cb_.is_null()) { |
| 177 base::ResetAndReturn(&read_cb_).Run( | 177 base::ResetAndReturn(&read_cb_).Run( |
| 178 DemuxerStream::kOk, DecoderBuffer::CreateEOSBuffer()); | 178 DemuxerStream::kOk, DecoderBuffer::create_eos_buffer()); |
| 179 } | 179 } |
| 180 demuxer_ = NULL; | 180 demuxer_ = NULL; |
| 181 stream_ = NULL; | 181 stream_ = NULL; |
| 182 end_of_stream_ = true; | 182 end_of_stream_ = true; |
| 183 } | 183 } |
| 184 | 184 |
| 185 base::TimeDelta FFmpegDemuxerStream::duration() { | 185 base::TimeDelta FFmpegDemuxerStream::duration() { |
| 186 return duration_; | 186 return duration_; |
| 187 } | 187 } |
| 188 | 188 |
| 189 DemuxerStream::Type FFmpegDemuxerStream::type() { | 189 DemuxerStream::Type FFmpegDemuxerStream::type() { |
| 190 DCHECK(message_loop_->BelongsToCurrentThread()); | 190 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 191 return type_; | 191 return type_; |
| 192 } | 192 } |
| 193 | 193 |
| 194 void FFmpegDemuxerStream::Read(const ReadCB& read_cb) { | 194 void FFmpegDemuxerStream::Read(const ReadCB& read_cb) { |
| 195 DCHECK(message_loop_->BelongsToCurrentThread()); | 195 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 196 CHECK(read_cb_.is_null()) << "Overlapping reads are not supported"; | 196 CHECK(read_cb_.is_null()) << "Overlapping reads are not supported"; |
| 197 read_cb_ = BindToCurrentLoop(read_cb); | 197 read_cb_ = BindToCurrentLoop(read_cb); |
| 198 | 198 |
| 199 // Don't accept any additional reads if we've been told to stop. | 199 // Don't accept any additional reads if we've been told to stop. |
| 200 // The |demuxer_| may have been destroyed in the pipeline thread. | 200 // The |demuxer_| may have been destroyed in the pipeline thread. |
| 201 // | 201 // |
| 202 // TODO(scherkus): it would be cleaner to reply with an error message. | 202 // TODO(scherkus): it would be cleaner to reply with an error message. |
| 203 if (!demuxer_) { | 203 if (!demuxer_) { |
| 204 base::ResetAndReturn(&read_cb_).Run( | 204 base::ResetAndReturn(&read_cb_).Run( |
| 205 DemuxerStream::kOk, DecoderBuffer::CreateEOSBuffer()); | 205 DemuxerStream::kOk, DecoderBuffer::create_eos_buffer()); |
| 206 return; | 206 return; |
| 207 } | 207 } |
| 208 | 208 |
| 209 SatisfyPendingRead(); | 209 SatisfyPendingRead(); |
| 210 } | 210 } |
| 211 | 211 |
| 212 void FFmpegDemuxerStream::EnableBitstreamConverter() { | 212 void FFmpegDemuxerStream::EnableBitstreamConverter() { |
| 213 DCHECK(message_loop_->BelongsToCurrentThread()); | 213 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 214 CHECK(bitstream_converter_.get()); | 214 CHECK(bitstream_converter_.get()); |
| 215 bitstream_converter_enabled_ = true; | 215 bitstream_converter_enabled_ = true; |
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| 242 } | 242 } |
| 243 | 243 |
| 244 void FFmpegDemuxerStream::SatisfyPendingRead() { | 244 void FFmpegDemuxerStream::SatisfyPendingRead() { |
| 245 DCHECK(message_loop_->BelongsToCurrentThread()); | 245 DCHECK(message_loop_->BelongsToCurrentThread()); |
| 246 if (!read_cb_.is_null()) { | 246 if (!read_cb_.is_null()) { |
| 247 if (!buffer_queue_.IsEmpty()) { | 247 if (!buffer_queue_.IsEmpty()) { |
| 248 base::ResetAndReturn(&read_cb_).Run( | 248 base::ResetAndReturn(&read_cb_).Run( |
| 249 DemuxerStream::kOk, buffer_queue_.Pop()); | 249 DemuxerStream::kOk, buffer_queue_.Pop()); |
| 250 } else if (end_of_stream_) { | 250 } else if (end_of_stream_) { |
| 251 base::ResetAndReturn(&read_cb_).Run( | 251 base::ResetAndReturn(&read_cb_).Run( |
| 252 DemuxerStream::kOk, DecoderBuffer::CreateEOSBuffer()); | 252 DemuxerStream::kOk, DecoderBuffer::create_eos_buffer()); |
| 253 } | 253 } |
| 254 } | 254 } |
| 255 | 255 |
| 256 // Have capacity? Ask for more! | 256 // Have capacity? Ask for more! |
| 257 if (HasAvailableCapacity() && !end_of_stream_) { | 257 if (HasAvailableCapacity() && !end_of_stream_) { |
| 258 demuxer_->NotifyCapacityAvailable(); | 258 demuxer_->NotifyCapacityAvailable(); |
| 259 } | 259 } |
| 260 } | 260 } |
| 261 | 261 |
| 262 bool FFmpegDemuxerStream::HasAvailableCapacity() { | 262 bool FFmpegDemuxerStream::HasAvailableCapacity() { |
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| 774 } | 774 } |
| 775 for (size_t i = 0; i < buffered.size(); ++i) | 775 for (size_t i = 0; i < buffered.size(); ++i) |
| 776 host_->AddBufferedTimeRange(buffered.start(i), buffered.end(i)); | 776 host_->AddBufferedTimeRange(buffered.start(i), buffered.end(i)); |
| 777 } | 777 } |
| 778 | 778 |
| 779 void FFmpegDemuxer::OnDataSourceError() { | 779 void FFmpegDemuxer::OnDataSourceError() { |
| 780 host_->OnDemuxerError(PIPELINE_ERROR_READ); | 780 host_->OnDemuxerError(PIPELINE_ERROR_READ); |
| 781 } | 781 } |
| 782 | 782 |
| 783 } // namespace media | 783 } // namespace media |
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