1 files changed, 0 insertions, 733 deletions

diff --git a/src/decoder/FfmpegDecoderPlugin.cxx b/src/decoder/FfmpegDecoderPlugin.cxx
deleted file mode 100644
index 69e7a6c8b..000000000
--- a/src/decoder/FfmpegDecoderPlugin.cxx
+++ /dev/null
@@ -1,733 +0,0 @@
-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-/* necessary because libavutil/common.h uses UINT64_C */
-#define __STDC_CONSTANT_MACROS
-
-#include "config.h"
-#include "FfmpegDecoderPlugin.hxx"
-#include "DecoderAPI.hxx"
-#include "FfmpegMetaData.hxx"
-#include "tag/TagHandler.hxx"
-#include "InputStream.hxx"
-#include "CheckAudioFormat.hxx"
-#include "util/Error.hxx"
-#include "util/Domain.hxx"
-#include "LogV.hxx"
-
-extern "C" {
-#include <libavcodec/avcodec.h>
-#include <libavformat/avformat.h>
-#include <libavformat/avio.h>
-#include <libavutil/avutil.h>
-#include <libavutil/log.h>
-#include <libavutil/mathematics.h>
-
-#if LIBAVUTIL_VERSION_MAJOR >= 53
-#include <libavutil/frame.h>
-#endif
-}
-
-#include <assert.h>
-#include <string.h>
-
-static constexpr Domain ffmpeg_domain("ffmpeg");
-
-/* suppress the ffmpeg compatibility macro */
-#ifdef SampleFormat
-#undef SampleFormat
-#endif
-
-static LogLevel
-import_ffmpeg_level(int level)
-{
-	if (level <= AV_LOG_FATAL)
-		return LogLevel::ERROR;
-
-	if (level <= AV_LOG_WARNING)
-		return LogLevel::WARNING;
-
-	if (level <= AV_LOG_INFO)
-		return LogLevel::INFO;
-
-	return LogLevel::DEBUG;
-}
-
-static void
-mpd_ffmpeg_log_callback(gcc_unused void *ptr, int level,
-			const char *fmt, va_list vl)
-{
-	const AVClass * cls = nullptr;
-
-	if (ptr != nullptr)
-		cls = *(const AVClass *const*)ptr;
-
-	if (cls != nullptr) {
-		char domain[64];
-		snprintf(domain, sizeof(domain), "%s/%s",
-			 ffmpeg_domain.GetName(), cls->item_name(ptr));
-		const Domain d(domain);
-		LogFormatV(d, import_ffmpeg_level(level), fmt, vl);
-	}
-}
-
-struct AvioStream {
-	Decoder *const decoder;
-	InputStream &input;
-
-	AVIOContext *io;
-
-	unsigned char buffer[8192];
-
-	AvioStream(Decoder *_decoder, InputStream &_input)
-		:decoder(_decoder), input(_input), io(nullptr) {}
-
-	~AvioStream() {
-		if (io != nullptr)
-			av_free(io);
-	}
-
-	bool Open();
-};
-
-static int
-mpd_ffmpeg_stream_read(void *opaque, uint8_t *buf, int size)
-{
-	AvioStream *stream = (AvioStream *)opaque;
-
-	return decoder_read(stream->decoder, stream->input,
-			    (void *)buf, size);
-}
-
-static int64_t
-mpd_ffmpeg_stream_seek(void *opaque, int64_t pos, int whence)
-{
-	AvioStream *stream = (AvioStream *)opaque;
-
-	if (whence == AVSEEK_SIZE)
-		return stream->input.size;
-
-	if (!stream->input.LockSeek(pos, whence, IgnoreError()))
-		return -1;
-
-	return stream->input.offset;
-}
-
-bool
-AvioStream::Open()
-{
-	io = avio_alloc_context(buffer, sizeof(buffer),
-				false, this,
-				mpd_ffmpeg_stream_read, nullptr,
-				input.seekable
-				? mpd_ffmpeg_stream_seek : nullptr);
-	return io != nullptr;
-}
-
-/**
- * API compatibility wrapper for av_open_input_stream() and
- * avformat_open_input().
- */
-static int
-mpd_ffmpeg_open_input(AVFormatContext **ic_ptr,
-		      AVIOContext *pb,
-		      const char *filename,
-		      AVInputFormat *fmt)
-{
-	AVFormatContext *context = avformat_alloc_context();
-	if (context == nullptr)
-		return AVERROR(ENOMEM);
-
-	context->pb = pb;
-	*ic_ptr = context;
-	return avformat_open_input(ic_ptr, filename, fmt, nullptr);
-}
-
-static bool
-ffmpeg_init(gcc_unused const config_param &param)
-{
-	av_log_set_callback(mpd_ffmpeg_log_callback);
-
-	av_register_all();
-	return true;
-}
-
-static int
-ffmpeg_find_audio_stream(const AVFormatContext *format_context)
-{
-	for (unsigned i = 0; i < format_context->nb_streams; ++i)
-		if (format_context->streams[i]->codec->codec_type ==
-		    AVMEDIA_TYPE_AUDIO)
-			return i;
-
-	return -1;
-}
-
-gcc_const
-static double
-time_from_ffmpeg(int64_t t, const AVRational time_base)
-{
-	assert(t != (int64_t)AV_NOPTS_VALUE);
-
-	return (double)av_rescale_q(t, time_base, (AVRational){1, 1024})
-		/ (double)1024;
-}
-
-gcc_const
-static int64_t
-time_to_ffmpeg(double t, const AVRational time_base)
-{
-	return av_rescale_q((int64_t)(t * 1024), (AVRational){1, 1024},
-			    time_base);
-}
-
-/**
- * Replace #AV_NOPTS_VALUE with the given fallback.
- */
-static constexpr int64_t
-timestamp_fallback(int64_t t, int64_t fallback)
-{
-	return gcc_likely(t != int64_t(AV_NOPTS_VALUE))
-		? t
-		: fallback;
-}
-
-/**
- * Accessor for AVStream::start_time that replaces AV_NOPTS_VALUE with
- * zero.  We can't use AV_NOPTS_VALUE in calculations, and we simply
- * assume that the stream's start time is zero, which appears to be
- * the best way out of that situation.
- */
-static int64_t
-start_time_fallback(const AVStream &stream)
-{
-	return timestamp_fallback(stream.start_time, 0);
-}
-
-static void
-copy_interleave_frame2(uint8_t *dest, uint8_t **src,
-		       unsigned nframes, unsigned nchannels,
-		       unsigned sample_size)
-{
-	for (unsigned frame = 0; frame < nframes; ++frame) {
-		for (unsigned channel = 0; channel < nchannels; ++channel) {
-			memcpy(dest, src[channel] + frame * sample_size,
-			       sample_size);
-			dest += sample_size;
-		}
-	}
-}
-
-/**
- * Copy PCM data from a AVFrame to an interleaved buffer.
- */
-static int
-copy_interleave_frame(const AVCodecContext *codec_context,
-		      const AVFrame *frame,
-		      uint8_t **output_buffer,
-		      uint8_t **global_buffer, int *global_buffer_size)
-{
-	int plane_size;
-	const int data_size =
-		av_samples_get_buffer_size(&plane_size,
-					   codec_context->channels,
-					   frame->nb_samples,
-					   codec_context->sample_fmt, 1);
-	if (data_size <= 0)
-		return data_size;
-
-	if (av_sample_fmt_is_planar(codec_context->sample_fmt) &&
-	    codec_context->channels > 1) {
-		if(*global_buffer_size < data_size) {
-			av_freep(global_buffer);
-
-			*global_buffer = (uint8_t*)av_malloc(data_size);
-
-			if (!*global_buffer)
-				/* Not enough memory - shouldn't happen */
-				return AVERROR(ENOMEM);
-			*global_buffer_size = data_size;
-		}
-		*output_buffer = *global_buffer;
-		copy_interleave_frame2(*output_buffer, frame->extended_data,
-				       frame->nb_samples,
-				       codec_context->channels,
-				       av_get_bytes_per_sample(codec_context->sample_fmt));
-	} else {
-		*output_buffer = frame->extended_data[0];
-	}
-
-	return data_size;
-}
-
-static DecoderCommand
-ffmpeg_send_packet(Decoder &decoder, InputStream &is,
-		   const AVPacket *packet,
-		   AVCodecContext *codec_context,
-		   const AVStream *stream,
-		   AVFrame *frame,
-		   uint8_t **buffer, int *buffer_size)
-{
-	if (packet->pts >= 0 && packet->pts != (int64_t)AV_NOPTS_VALUE)
-		decoder_timestamp(decoder,
-				  time_from_ffmpeg(packet->pts - start_time_fallback(*stream),
-				  stream->time_base));
-
-	AVPacket packet2 = *packet;
-
-	uint8_t *output_buffer;
-
-	DecoderCommand cmd = DecoderCommand::NONE;
-	while (packet2.size > 0 && cmd == DecoderCommand::NONE) {
-		int audio_size = 0;
-		int got_frame = 0;
-		int len = avcodec_decode_audio4(codec_context,
-						frame, &got_frame,
-						&packet2);
-		if (len >= 0 && got_frame) {
-			audio_size = copy_interleave_frame(codec_context,
-							   frame,
-							   &output_buffer,
-							   buffer, buffer_size);
-			if (audio_size < 0)
-				len = audio_size;
-		}
-
-		if (len < 0) {
-			/* if error, we skip the frame */
-			LogDefault(ffmpeg_domain,
-				   "decoding failed, frame skipped");
-			break;
-		}
-
-		packet2.data += len;
-		packet2.size -= len;
-
-		if (audio_size <= 0)
-			continue;
-
-		cmd = decoder_data(decoder, is,
-				   output_buffer, audio_size,
-				   codec_context->bit_rate / 1000);
-	}
-	return cmd;
-}
-
-gcc_const
-static SampleFormat
-ffmpeg_sample_format(enum AVSampleFormat sample_fmt)
-{
-	switch (sample_fmt) {
-	case AV_SAMPLE_FMT_S16:
-	case AV_SAMPLE_FMT_S16P:
-		return SampleFormat::S16;
-
-	case AV_SAMPLE_FMT_S32:
-	case AV_SAMPLE_FMT_S32P:
-		return SampleFormat::S32;
-
-	case AV_SAMPLE_FMT_FLTP:
-		return SampleFormat::FLOAT;
-
-	default:
-		break;
-	}
-
-	char buffer[64];
-	const char *name = av_get_sample_fmt_string(buffer, sizeof(buffer),
-						    sample_fmt);
-	if (name != nullptr)
-		FormatError(ffmpeg_domain,
-			    "Unsupported libavcodec SampleFormat value: %s (%d)",
-			    name, sample_fmt);
-	else
-		FormatError(ffmpeg_domain,
-			    "Unsupported libavcodec SampleFormat value: %d",
-			    sample_fmt);
-	return SampleFormat::UNDEFINED;
-}
-
-static AVInputFormat *
-ffmpeg_probe(Decoder *decoder, InputStream &is)
-{
-	enum {
-		BUFFER_SIZE = 16384,
-		PADDING = 16,
-	};
-
-	unsigned char buffer[BUFFER_SIZE];
-	size_t nbytes = decoder_read(decoder, is, buffer, BUFFER_SIZE);
-	if (nbytes <= PADDING || !is.LockRewind(IgnoreError()))
-		return nullptr;
-
-	/* some ffmpeg parsers (e.g. ac3_parser.c) read a few bytes
-	   beyond the declared buffer limit, which makes valgrind
-	   angry; this workaround removes some padding from the buffer
-	   size */
-	nbytes -= PADDING;
-
-	AVProbeData avpd;
-
-	/* new versions of ffmpeg may add new attributes, and leaving
-	   them uninitialized may crash; hopefully, zero-initializing
-	   everything we don't know is ok */
-	memset(&avpd, 0, sizeof(avpd));
-
-	avpd.buf = buffer;
-	avpd.buf_size = nbytes;
-	avpd.filename = is.uri.c_str();
-
-#ifdef AVPROBE_SCORE_MIME
-	/* this attribute was added in libav/ffmpeg version 11, but
-	   unfortunately it's "uint8_t" instead of "char", and it's
-	   not "const" - wtf? */
-	avpd.mime_type = (uint8_t *)const_cast<char *>(is.GetMimeType());
-#endif
-
-	return av_probe_input_format(&avpd, true);
-}
-
-static void
-ffmpeg_decode(Decoder &decoder, InputStream &input)
-{
-	AVInputFormat *input_format = ffmpeg_probe(&decoder, input);
-	if (input_format == nullptr)
-		return;
-
-	FormatDebug(ffmpeg_domain, "detected input format '%s' (%s)",
-		    input_format->name, input_format->long_name);
-
-	AvioStream stream(&decoder, input);
-	if (!stream.Open()) {
-		LogError(ffmpeg_domain, "Failed to open stream");
-		return;
-	}
-
-	//ffmpeg works with ours "fileops" helper
-	AVFormatContext *format_context = nullptr;
-	if (mpd_ffmpeg_open_input(&format_context, stream.io,
-				  input.uri.c_str(),
-				  input_format) != 0) {
-		LogError(ffmpeg_domain, "Open failed");
-		return;
-	}
-
-	const int find_result =
-		avformat_find_stream_info(format_context, nullptr);
-	if (find_result < 0) {
-		LogError(ffmpeg_domain, "Couldn't find stream info");
-		avformat_close_input(&format_context);
-		return;
-	}
-
-	int audio_stream = ffmpeg_find_audio_stream(format_context);
-	if (audio_stream == -1) {
-		LogError(ffmpeg_domain, "No audio stream inside");
-		avformat_close_input(&format_context);
-		return;
-	}
-
-	AVStream *av_stream = format_context->streams[audio_stream];
-
-	AVCodecContext *codec_context = av_stream->codec;
-
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54, 25, 0)
-	const AVCodecDescriptor *codec_descriptor =
-		avcodec_descriptor_get(codec_context->codec_id);
-	if (codec_descriptor != nullptr)
-		FormatDebug(ffmpeg_domain, "codec '%s'",
-			    codec_descriptor->name);
-#else
-	if (codec_context->codec_name[0] != 0)
-		FormatDebug(ffmpeg_domain, "codec '%s'",
-			    codec_context->codec_name);
-#endif
-
-	AVCodec *codec = avcodec_find_decoder(codec_context->codec_id);
-
-	if (!codec) {
-		LogError(ffmpeg_domain, "Unsupported audio codec");
-		avformat_close_input(&format_context);
-		return;
-	}
-
-	const SampleFormat sample_format =
-		ffmpeg_sample_format(codec_context->sample_fmt);
-	if (sample_format == SampleFormat::UNDEFINED)
-		return;
-
-	Error error;
-	AudioFormat audio_format;
-	if (!audio_format_init_checked(audio_format,
-				       codec_context->sample_rate,
-				       sample_format,
-				       codec_context->channels, error)) {
-		LogError(error);
-		avformat_close_input(&format_context);
-		return;
-	}
-
-	/* the audio format must be read from AVCodecContext by now,
-	   because avcodec_open() has been demonstrated to fill bogus
-	   values into AVCodecContext.channels - a change that will be
-	   reverted later by avcodec_decode_audio3() */
-
-	const int open_result = avcodec_open2(codec_context, codec, nullptr);
-	if (open_result < 0) {
-		LogError(ffmpeg_domain, "Could not open codec");
-		avformat_close_input(&format_context);
-		return;
-	}
-
-	int total_time = format_context->duration != (int64_t)AV_NOPTS_VALUE
-		? format_context->duration / AV_TIME_BASE
-		: 0;
-
-	decoder_initialized(decoder, audio_format,
-			    input.seekable, total_time);
-
-#if LIBAVUTIL_VERSION_MAJOR >= 53
-	AVFrame *frame = av_frame_alloc();
-#else
-	AVFrame *frame = avcodec_alloc_frame();
-#endif
-	if (!frame) {
-		LogError(ffmpeg_domain, "Could not allocate frame");
-		avformat_close_input(&format_context);
-		return;
-	}
-
-	uint8_t *interleaved_buffer = nullptr;
-	int interleaved_buffer_size = 0;
-
-	DecoderCommand cmd;
-	do {
-		AVPacket packet;
-		if (av_read_frame(format_context, &packet) < 0)
-			/* end of file */
-			break;
-
-		if (packet.stream_index == audio_stream)
-			cmd = ffmpeg_send_packet(decoder, input,
-						 &packet, codec_context,
-						 av_stream,
-						 frame,
-						 &interleaved_buffer, &interleaved_buffer_size);
-		else
-			cmd = decoder_get_command(decoder);
-
-		av_free_packet(&packet);
-
-		if (cmd == DecoderCommand::SEEK) {
-			int64_t where =
-				time_to_ffmpeg(decoder_seek_where(decoder),
-					       av_stream->time_base) +
-				start_time_fallback(*av_stream);
-
-			if (av_seek_frame(format_context, audio_stream, where,
-					  AVSEEK_FLAG_ANY) < 0)
-				decoder_seek_error(decoder);
-			else {
-				avcodec_flush_buffers(codec_context);
-				decoder_command_finished(decoder);
-			}
-		}
-	} while (cmd != DecoderCommand::STOP);
-
-#if LIBAVUTIL_VERSION_MAJOR >= 53
-	av_frame_free(&frame);
-#elif LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54, 28, 0)
-	avcodec_free_frame(&frame);
-#else
-	av_freep(&frame);
-#endif
-	av_freep(&interleaved_buffer);
-
-	avcodec_close(codec_context);
-	avformat_close_input(&format_context);
-}
-
-//no tag reading in ffmpeg, check if playable
-static bool
-ffmpeg_scan_stream(InputStream &is,
-		   const struct tag_handler *handler, void *handler_ctx)
-{
-	AVInputFormat *input_format = ffmpeg_probe(nullptr, is);
-	if (input_format == nullptr)
-		return false;
-
-	AvioStream stream(nullptr, is);
-	if (!stream.Open())
-		return false;
-
-	AVFormatContext *f = nullptr;
-	if (mpd_ffmpeg_open_input(&f, stream.io, is.uri.c_str(),
-				  input_format) != 0)
-		return false;
-
-	const int find_result =
-		avformat_find_stream_info(f, nullptr);
-	if (find_result < 0) {
-		avformat_close_input(&f);
-		return false;
-	}
-
-	if (f->duration != (int64_t)AV_NOPTS_VALUE)
-		tag_handler_invoke_duration(handler, handler_ctx,
-					    f->duration / AV_TIME_BASE);
-
-	ffmpeg_scan_dictionary(f->metadata, handler, handler_ctx);
-	int idx = ffmpeg_find_audio_stream(f);
-	if (idx >= 0)
-		ffmpeg_scan_dictionary(f->streams[idx]->metadata,
-				       handler, handler_ctx);
-
-	avformat_close_input(&f);
-	return true;
-}
-
-/**
- * A list of extensions found for the formats supported by ffmpeg.
- * This list is current as of 02-23-09; To find out if there are more
- * supported formats, check the ffmpeg changelog since this date for
- * more formats.
- */
-static const char *const ffmpeg_suffixes[] = {
-	"16sv", "3g2", "3gp", "4xm", "8svx", "aa3", "aac", "ac3", "afc", "aif",
-	"aifc", "aiff", "al", "alaw", "amr", "anim", "apc", "ape", "asf",
-	"atrac", "au", "aud", "avi", "avm2", "avs", "bap", "bfi", "c93", "cak",
-	"cin", "cmv", "cpk", "daud", "dct", "divx", "dts", "dv", "dvd", "dxa",
-	"eac3", "film", "flac", "flc", "fli", "fll", "flx", "flv", "g726",
-	"gsm", "gxf", "iss", "m1v", "m2v", "m2t", "m2ts",
-	"m4a", "m4b", "m4v",
-	"mad",
-	"mj2", "mjpeg", "mjpg", "mka", "mkv", "mlp", "mm", "mmf", "mov", "mp+",
-	"mp1", "mp2", "mp3", "mp4", "mpc", "mpeg", "mpg", "mpga", "mpp", "mpu",
-	"mve", "mvi", "mxf", "nc", "nsv", "nut", "nuv", "oga", "ogm", "ogv",
-	"ogx", "oma", "ogg", "omg", "opus", "psp", "pva", "qcp", "qt", "r3d", "ra",
-	"ram", "rl2", "rm", "rmvb", "roq", "rpl", "rvc", "shn", "smk", "snd",
-	"sol", "son", "spx", "str", "swf", "tgi", "tgq", "tgv", "thp", "ts",
-	"tsp", "tta", "xa", "xvid", "uv", "uv2", "vb", "vid", "vob", "voc",
-	"vp6", "vmd", "wav", "webm", "wma", "wmv", "wsaud", "wsvga", "wv",
-	"wve",
-	nullptr
-};
-
-static const char *const ffmpeg_mime_types[] = {
-	"application/flv",
-	"application/m4a",
-	"application/mp4",
-	"application/octet-stream",
-	"application/ogg",
-	"application/x-ms-wmz",
-	"application/x-ms-wmd",
-	"application/x-ogg",
-	"application/x-shockwave-flash",
-	"application/x-shorten",
-	"audio/8svx",
-	"audio/16sv",
-	"audio/aac",
-	"audio/aacp",
-	"audio/ac3",
-	"audio/aiff"
-	"audio/amr",
-	"audio/basic",
-	"audio/flac",
-	"audio/m4a",
-	"audio/mp4",
-	"audio/mpeg",
-	"audio/musepack",
-	"audio/ogg",
-	"audio/opus",
-	"audio/qcelp",
-	"audio/vorbis",
-	"audio/vorbis+ogg",
-	"audio/x-8svx",
-	"audio/x-16sv",
-	"audio/x-aac",
-	"audio/x-ac3",
-	"audio/x-aiff"
-	"audio/x-alaw",
-	"audio/x-au",
-	"audio/x-dca",
-	"audio/x-eac3",
-	"audio/x-flac",
-	"audio/x-gsm",
-	"audio/x-mace",
-	"audio/x-matroska",
-	"audio/x-monkeys-audio",
-	"audio/x-mpeg",
-	"audio/x-ms-wma",
-	"audio/x-ms-wax",
-	"audio/x-musepack",
-	"audio/x-ogg",
-	"audio/x-vorbis",
-	"audio/x-vorbis+ogg",
-	"audio/x-pn-realaudio",
-	"audio/x-pn-multirate-realaudio",
-	"audio/x-speex",
-	"audio/x-tta"
-	"audio/x-voc",
-	"audio/x-wav",
-	"audio/x-wma",
-	"audio/x-wv",
-	"video/anim",
-	"video/quicktime",
-	"video/msvideo",
-	"video/ogg",
-	"video/theora",
-	"video/webm",
-	"video/x-dv",
-	"video/x-flv",
-	"video/x-matroska",
-	"video/x-mjpeg",
-	"video/x-mpeg",
-	"video/x-ms-asf",
-	"video/x-msvideo",
-	"video/x-ms-wmv",
-	"video/x-ms-wvx",
-	"video/x-ms-wm",
-	"video/x-ms-wmx",
-	"video/x-nut",
-	"video/x-pva",
-	"video/x-theora",
-	"video/x-vid",
-	"video/x-wmv",
-	"video/x-xvid",
-
-	/* special value for the "ffmpeg" input plugin: all streams by
-	   the "ffmpeg" input plugin shall be decoded by this
-	   plugin */
-	"audio/x-mpd-ffmpeg",
-
-	nullptr
-};
-
-const struct DecoderPlugin ffmpeg_decoder_plugin = {
-	"ffmpeg",
-	ffmpeg_init,
-	nullptr,
-	ffmpeg_decode,
-	nullptr,
-	nullptr,
-	ffmpeg_scan_stream,
-	nullptr,
-	ffmpeg_suffixes,
-	ffmpeg_mime_types
-};