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path: root/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
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Diffstat (limited to 'src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp')
-rw-r--r--src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp351
1 files changed, 1 insertions, 350 deletions
diff --git a/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp b/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
index 7eb39dfd5..831f2d0c5 100644
--- a/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
+++ b/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2006-2012 by Ilya Kotov *
+ * Copyright (C) 2006-2013 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program is free software; you can redistribute it and/or modify *
@@ -57,9 +57,6 @@ static int64_t ffmpeg_seek(void *data, int64_t offset, int whence)
}
// Decoder class
-
-#if (LIBAVCODEC_VERSION_INT >= ((53<<16)+(34<<8)+0))
-
DecoderFFmpeg::DecoderFFmpeg(const QString &path, QIODevice *i)
: Decoder(i)
{
@@ -443,349 +440,3 @@ void DecoderFFmpeg::fillBuffer()
}
}
}
-
-#else
-//legacy ffmpeg support
-DecoderFFmpeg::DecoderFFmpeg(const QString &path, QIODevice *i)
- : Decoder(i)
-{
- m_bitrate = 0;
- m_skip = false;
- m_totalTime = 0;
- ic = 0;
- m_path = path;
- m_temp_pkt.size = 0;
- m_pkt.size = 0;
- m_pkt.data = 0;
- m_output_buf = 0;
- m_output_at = 0;
- m_skipBytes = 0;
- m_stream = 0;
- av_init_packet(&m_pkt);
- av_init_packet(&m_temp_pkt);
-}
-
-
-DecoderFFmpeg::~DecoderFFmpeg()
-{
- m_bitrate = 0;
- m_temp_pkt.size = 0;
- if (ic)
- av_close_input_stream(ic);
- if(m_pkt.data)
- av_free_packet(&m_pkt);
- if(m_output_buf)
- av_free(m_output_buf);
- if(m_stream)
- av_free(m_stream);
-}
-
-bool DecoderFFmpeg::initialize()
-{
- m_bitrate = 0;
- m_skip = false;
- m_totalTime = 0;
- m_seekTime = -1;
- av_register_all();
-
- AVProbeData pd;
- uint8_t buf[PROBE_BUFFER_SIZE + AVPROBE_PADDING_SIZE];
- pd.filename = m_path.toLocal8Bit().constData();
- pd.buf_size = input()->peek((char*)buf, sizeof(buf) - AVPROBE_PADDING_SIZE);
- pd.buf = buf;
- if(pd.buf_size < PROBE_BUFFER_SIZE)
- {
- qWarning("DecoderFFmpeg: too small buffer size: %d bytes", pd.buf_size);
- return false;
- }
- AVInputFormat *fmt = av_probe_input_format(&pd, 1);
- if(!fmt)
- {
- qWarning("DecoderFFmpeg: usupported format");
- return false;
- }
- qDebug("DecoderFFmpeg: detected format: %s", fmt->long_name);
- qDebug("=%s=", fmt->name);
-
-#if (LIBAVFORMAT_VERSION_INT >= ((52<<16)+(105<<8)+0))
- m_stream = avio_alloc_context(m_input_buf, INPUT_BUFFER_SIZE, 0, this, ffmpeg_read, NULL, ffmpeg_seek);
- if(!m_stream)
- {
- qWarning("DecoderFFmpeg: unable to initialize I/O callbacks");
- return false;
- }
- m_stream->seekable = !input()->isSequential();
-#else
- m_stream = (ByteIOContext *)av_malloc(sizeof(ByteIOContext));
- init_put_byte(m_stream, m_input_buf, INPUT_BUFFER_SIZE, 0, this, ffmpeg_read, NULL, ffmpeg_seek);
- m_stream->is_streamed = input()->isSequential();
-#endif
- m_stream->max_packet_size = INPUT_BUFFER_SIZE;
-
- AVFormatParameters ap;
- memset(&ap, 0, sizeof(ap));
-
- if(av_open_input_stream(&ic, m_stream, m_path.toLocal8Bit(), fmt, &ap) != 0)
- {
- qDebug("DecoderFFmpeg: av_open_input_stream() failed");
- return false;
- }
- av_find_stream_info(ic);
- if(ic->pb)
- ic->pb->eof_reached = 0;
-
- if (input()->isSequential())
- {
- QMap<Qmmp::MetaData, QString> metaData;
- AVMetadataTag *album = av_metadata_get(ic->metadata,"album",0,0);
- if(!album)
- album = av_metadata_get(ic->metadata,"WM/AlbumTitle",0,0);
- AVMetadataTag *artist = av_metadata_get(ic->metadata,"artist",0,0);
- if(!artist)
- artist = av_metadata_get(ic->metadata,"author",0,0);
- AVMetadataTag *comment = av_metadata_get(ic->metadata,"comment",0,0);
- AVMetadataTag *genre = av_metadata_get(ic->metadata,"genre",0,0);
- AVMetadataTag *title = av_metadata_get(ic->metadata,"title",0,0);
- AVMetadataTag *year = av_metadata_get(ic->metadata,"WM/Year",0,0);
- if(!year)
- year = av_metadata_get(ic->metadata,"year",0,0);
- if(!year)
- year = av_metadata_get(ic->metadata,"date",0,0);
- AVMetadataTag *track = av_metadata_get(ic->metadata,"track",0,0);
- if(!track)
- track = av_metadata_get(ic->metadata,"WM/Track",0,0);
- if(!track)
- track = av_metadata_get(ic->metadata,"WM/TrackNumber",0,0);
-
- if(album)
- metaData.insert(Qmmp::ALBUM, QString::fromUtf8(album->value).trimmed());
- if(artist)
- metaData.insert(Qmmp::ARTIST, QString::fromUtf8(artist->value).trimmed());
- if(comment)
- metaData.insert(Qmmp::COMMENT, QString::fromUtf8(comment->value).trimmed());
- if(genre)
- metaData.insert(Qmmp::GENRE, QString::fromUtf8(genre->value).trimmed());
- if(title)
- metaData.insert(Qmmp::TITLE, QString::fromUtf8(title->value).trimmed());
- if(year)
- metaData.insert(Qmmp::YEAR, year->value);
- if(track)
- metaData.insert(Qmmp::TRACK, track->value);
- metaData.insert(Qmmp::URL, m_path);
- addMetaData(metaData);
- }
-
- ic->flags |= AVFMT_FLAG_GENPTS;
- av_read_play(ic);
- for (wma_idx = 0; wma_idx < (int)ic->nb_streams; wma_idx++)
- {
- c = ic->streams[wma_idx]->codec;
-#if LIBAVCODEC_VERSION_MAJOR < 53
- if (c->codec_type == CODEC_TYPE_AUDIO)
-#else
- if (c->codec_type == AVMEDIA_TYPE_AUDIO)
-#endif
- break;
- }
-
- if (c->channels > 0)
- c->request_channels = qMin(2, c->channels);
- else
- c->request_channels = 2;
-
-#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(101<<8)+0))
- av_dump_format(ic,0,0,0);
-#else
- dump_format(ic,0,0,0);
-#endif
- AVCodec *codec = avcodec_find_decoder(c->codec_id);
-
- if (!codec)
- {
- qWarning("DecoderFFmpeg: unsupported codec for output stream");
- return false;
- }
-
- if (avcodec_open(c, codec) < 0)
- {
- qWarning("DecoderFFmpeg: error while opening codec for output stream");
- return false;
- }
-
- m_totalTime = input()->isSequential() ? 0 : ic->duration * 1000 / AV_TIME_BASE;
- m_output_buf = (uint8_t *)av_malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE*2);
-
-#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(20<<8)+0))
- if(c->codec_id == CODEC_ID_SHORTEN) //ffmpeg bug workaround
- m_totalTime = 0;
-#endif
-
-#if (LIBAVUTIL_VERSION_INT >= ((50<<16)+(38<<8)+0))
- if(c->sample_fmt == AV_SAMPLE_FMT_S32)
- configure(c->sample_rate, c->request_channels, Qmmp::PCM_S32LE);
- else
- configure(c->sample_rate, c->request_channels, Qmmp::PCM_S16LE);
-#else
- if(c->sample_fmt == SAMPLE_FMT_S32)
- configure(c->sample_rate, c->request_channels, Qmmp::PCM_S32LE);
- else
- configure(c->sample_rate, c->request_channels, Qmmp::PCM_S16LE);
-#endif
- if(ic->bit_rate)
- m_bitrate = ic->bit_rate/1000;
- if(c->bit_rate)
- m_bitrate = c->bit_rate/1000;
- qDebug("DecoderFFmpeg: initialize succes");
- return true;
-}
-
-
-qint64 DecoderFFmpeg::totalTime()
-{
- return m_totalTime;
-}
-
-int DecoderFFmpeg::bitrate()
-{
- return m_bitrate;
-}
-
-qint64 DecoderFFmpeg::read(char *audio, qint64 maxSize)
-{
- m_skipBytes = 0;
- if (m_skip)
- {
- while(m_temp_pkt.size)
- ffmpeg_decode(m_output_buf);
- m_output_at = 0;
- m_skip = false;
- }
- if(!m_output_at)
- fillBuffer();
- if(!m_output_at)
- return 0;
- qint64 len = qMin(m_output_at, maxSize);
- memcpy(audio, m_output_buf, len);
- m_output_at -= len;
- memmove(m_output_buf, m_output_buf + len, m_output_at);
- return len;
-}
-
-qint64 DecoderFFmpeg::ffmpeg_decode(uint8_t *audio)
-{
- int out_size = AVCODEC_MAX_AUDIO_FRAME_SIZE * 2;
- if((m_pkt.stream_index == wma_idx))
- {
-#if (LIBAVCODEC_VERSION_INT >= ((52<<16)+(23<<8)+0))
- int l = avcodec_decode_audio3(c, (int16_t *)(audio), &out_size, &m_temp_pkt);
-#else
- int l = avcodec_decode_audio2(c, (int16_t *)(audio), &out_size, m_temp_pkt.data, m_temp_pkt.size);
-#endif
- if(c->bit_rate)
- m_bitrate = c->bit_rate/1000;
- if(l < 0)
- return l;
- m_temp_pkt.data += l;
- m_temp_pkt.size -= l;
- }
- if (!m_temp_pkt.size && m_pkt.data)
- av_free_packet(&m_pkt);
-
- return out_size;
-}
-
-void DecoderFFmpeg::seek(qint64 pos)
-{
- int64_t timestamp = int64_t(pos)*AV_TIME_BASE/1000;
- if (ic->start_time != (qint64)AV_NOPTS_VALUE)
- timestamp += ic->start_time;
- m_seekTime = timestamp;
- av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
- if(m_pkt.size)
- m_skip = true;
-}
-
-void DecoderFFmpeg::fillBuffer()
-{
- while(!m_output_at)
- {
- if(!m_temp_pkt.size)
- {
- if (av_read_frame(ic, &m_pkt) < 0)
- {
- m_temp_pkt.size = 0;
- break;
- }
- m_temp_pkt.size = m_pkt.size;
- m_temp_pkt.data = m_pkt.data;
-
- if(m_pkt.stream_index != wma_idx)
- {
- if(m_pkt.data)
- av_free_packet(&m_pkt);
- m_temp_pkt.size = 0;
- continue;
- }
- if(m_seekTime && c->codec_id == CODEC_ID_APE)
- {
- int64_t rescaledPts = av_rescale(m_pkt.pts,
- AV_TIME_BASE * (int64_t)
- ic->streams[m_pkt.stream_index]->time_base.num,
- ic->streams[m_pkt.stream_index]->time_base.den);
- m_skipBytes = (m_seekTime - rescaledPts) * c->sample_rate * 4 / AV_TIME_BASE;
- }
- else
- m_skipBytes = 0;
- m_seekTime = 0;
- }
-
- if(m_skipBytes > 0 && c->codec_id == CODEC_ID_APE)
- {
- while (m_skipBytes > 0)
- {
- m_output_at = ffmpeg_decode(m_output_buf);
- if(m_output_at < 0)
- break;
- m_skipBytes -= m_output_at;
- }
-
- if(m_skipBytes < 0)
- {
- qint64 size = m_output_at;
- m_output_at = - m_skipBytes;
- m_output_at = m_output_at/4*4;
- memmove(m_output_buf, (m_output_buf + size - m_output_at), m_output_at);
- m_skipBytes = 0;
- }
- }
- else
- m_output_at = ffmpeg_decode(m_output_buf);
-
- if(m_output_at < 0)
- {
- m_output_at = 0;
- m_temp_pkt.size = 0;
-
- if(c->codec_id == CODEC_ID_SHORTEN)
- {
- if(m_pkt.data)
- av_free_packet(&m_pkt);
- m_pkt.data = 0;
- break;
- }
- continue;
- }
- else if(m_output_at == 0)
- {
- if(c->codec_id == CODEC_ID_SHORTEN)
- continue;
-
- if(m_pkt.data)
- av_free_packet(&m_pkt);
- m_pkt.data = 0;
- break;
- }
- }
-}
-
-#endif
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