From 13fa59885862da1b6e7404852dcb547f0e113b0b Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Wed, 16 Dec 2009 14:37:47 +0000 Subject: odf --- src/plugins/ffmpeg/libavdevice/beosaudio.cpp | 465 --------------------------- 1 file changed, 465 deletions(-) delete mode 100644 src/plugins/ffmpeg/libavdevice/beosaudio.cpp (limited to 'src/plugins/ffmpeg/libavdevice/beosaudio.cpp') diff --git a/src/plugins/ffmpeg/libavdevice/beosaudio.cpp b/src/plugins/ffmpeg/libavdevice/beosaudio.cpp deleted file mode 100644 index def1fad..0000000 --- a/src/plugins/ffmpeg/libavdevice/beosaudio.cpp +++ /dev/null @@ -1,465 +0,0 @@ -/* - * BeOS audio play interface - * Copyright (c) 2000, 2001 Fabrice Bellard. - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include - -#include -#include - -extern "C" { -#include "libavformat/avformat.h" -} - -#ifdef HAVE_BSOUNDRECORDER -#include -using namespace BPrivate::Media::Experimental; -#endif - -/* enable performance checks */ -//#define PERF_CHECK - -/* enable Media Kit latency checks */ -//#define LATENCY_CHECK - -#define AUDIO_BLOCK_SIZE 4096 -#define AUDIO_BLOCK_COUNT 8 - -#define AUDIO_BUFFER_SIZE (AUDIO_BLOCK_SIZE*AUDIO_BLOCK_COUNT) - -typedef struct { - int fd; // UNUSED - int sample_rate; - int channels; - int frame_size; /* in bytes ! */ - CodecID codec_id; - uint8_t buffer[AUDIO_BUFFER_SIZE]; - int buffer_ptr; - /* ring buffer */ - sem_id input_sem; - int input_index; - sem_id output_sem; - int output_index; - BSoundPlayer *player; -#ifdef HAVE_BSOUNDRECORDER - BSoundRecorder *recorder; -#endif - int has_quit; /* signal callbacks not to wait */ - volatile bigtime_t starve_time; -} AudioData; - -static thread_id main_thid; -static thread_id bapp_thid; -static int own_BApp_created = 0; -static int refcount = 0; - -/* create the BApplication and Run() it */ -static int32 bapp_thread(void *arg) -{ - new BApplication("application/x-vnd.ffmpeg"); - own_BApp_created = 1; - be_app->Run(); - /* kill the process group */ -// kill(0, SIGINT); -// kill(main_thid, SIGHUP); - return B_OK; -} - -/* create the BApplication only if needed */ -static void create_bapp_if_needed(void) -{ - if (refcount++ == 0) { - /* needed by libmedia */ - if (be_app == NULL) { - bapp_thid = spawn_thread(bapp_thread, "ffmpeg BApplication", B_NORMAL_PRIORITY, NULL); - resume_thread(bapp_thid); - while (!own_BApp_created) - snooze(50000); - } - } -} - -static void destroy_bapp_if_needed(void) -{ - if (--refcount == 0 && own_BApp_created) { - be_app->Lock(); - be_app->Quit(); - be_app = NULL; - } -} - -/* called back by BSoundPlayer */ -static void audioplay_callback(void *cookie, void *buffer, size_t bufferSize, const media_raw_audio_format &format) -{ - AudioData *s; - size_t len, amount; - unsigned char *buf = (unsigned char *)buffer; - - s = (AudioData *)cookie; - if (s->has_quit) - return; - while (bufferSize > 0) { -#ifdef PERF_CHECK - bigtime_t t; - t = system_time(); -#endif - len = MIN(AUDIO_BLOCK_SIZE, bufferSize); - if (acquire_sem_etc(s->output_sem, len, B_CAN_INTERRUPT, 0LL) < B_OK) { - s->has_quit = 1; - s->player->SetHasData(false); - return; - } - amount = MIN(len, (AUDIO_BUFFER_SIZE - s->output_index)); - memcpy(buf, &s->buffer[s->output_index], amount); - s->output_index += amount; - if (s->output_index >= AUDIO_BUFFER_SIZE) { - s->output_index %= AUDIO_BUFFER_SIZE; - memcpy(buf + amount, &s->buffer[s->output_index], len - amount); - s->output_index += len-amount; - s->output_index %= AUDIO_BUFFER_SIZE; - } - release_sem_etc(s->input_sem, len, 0); -#ifdef PERF_CHECK - t = system_time() - t; - s->starve_time = MAX(s->starve_time, t); -#endif - buf += len; - bufferSize -= len; - } -} - -#ifdef HAVE_BSOUNDRECORDER -/* called back by BSoundRecorder */ -static void audiorecord_callback(void *cookie, bigtime_t timestamp, void *buffer, size_t bufferSize, const media_multi_audio_format &format) -{ - AudioData *s; - size_t len, amount; - unsigned char *buf = (unsigned char *)buffer; - - s = (AudioData *)cookie; - if (s->has_quit) - return; - - while (bufferSize > 0) { - len = MIN(bufferSize, AUDIO_BLOCK_SIZE); - //printf("acquire_sem(input, %d)\n", len); - if (acquire_sem_etc(s->input_sem, len, B_CAN_INTERRUPT, 0LL) < B_OK) { - s->has_quit = 1; - return; - } - amount = MIN(len, (AUDIO_BUFFER_SIZE - s->input_index)); - memcpy(&s->buffer[s->input_index], buf, amount); - s->input_index += amount; - if (s->input_index >= AUDIO_BUFFER_SIZE) { - s->input_index %= AUDIO_BUFFER_SIZE; - memcpy(&s->buffer[s->input_index], buf + amount, len - amount); - s->input_index += len - amount; - } - release_sem_etc(s->output_sem, len, 0); - //printf("release_sem(output, %d)\n", len); - buf += len; - bufferSize -= len; - } -} -#endif - -static int audio_open(AudioData *s, int is_output, const char *audio_device) -{ - int p[2]; - int ret; - media_raw_audio_format format; - media_multi_audio_format iformat; - -#ifndef HAVE_BSOUNDRECORDER - if (!is_output) - return AVERROR(EIO); /* not for now */ -#endif - s->input_sem = create_sem(AUDIO_BUFFER_SIZE, "ffmpeg_ringbuffer_input"); - if (s->input_sem < B_OK) - return AVERROR(EIO); - s->output_sem = create_sem(0, "ffmpeg_ringbuffer_output"); - if (s->output_sem < B_OK) { - delete_sem(s->input_sem); - return AVERROR(EIO); - } - s->input_index = 0; - s->output_index = 0; - create_bapp_if_needed(); - s->frame_size = AUDIO_BLOCK_SIZE; - /* bump up the priority (avoid realtime though) */ - set_thread_priority(find_thread(NULL), B_DISPLAY_PRIORITY+1); -#ifdef HAVE_BSOUNDRECORDER - if (!is_output) { - bool wait_for_input = false; - if (audio_device && !strcmp(audio_device, "wait:")) - wait_for_input = true; - s->recorder = new BSoundRecorder(&iformat, wait_for_input, "ffmpeg input", audiorecord_callback); - if (wait_for_input && (s->recorder->InitCheck() == B_OK)) { - s->recorder->WaitForIncomingConnection(&iformat); - } - if (s->recorder->InitCheck() != B_OK || iformat.format != media_raw_audio_format::B_AUDIO_SHORT) { - delete s->recorder; - s->recorder = NULL; - if (s->input_sem) - delete_sem(s->input_sem); - if (s->output_sem) - delete_sem(s->output_sem); - return AVERROR(EIO); - } - s->codec_id = (iformat.byte_order == B_MEDIA_LITTLE_ENDIAN)?CODEC_ID_PCM_S16LE:CODEC_ID_PCM_S16BE; - s->channels = iformat.channel_count; - s->sample_rate = (int)iformat.frame_rate; - s->frame_size = iformat.buffer_size; - s->recorder->SetCookie(s); - s->recorder->SetVolume(1.0); - s->recorder->Start(); - return 0; - } -#endif - format = media_raw_audio_format::wildcard; - format.format = media_raw_audio_format::B_AUDIO_SHORT; - format.byte_order = B_HOST_IS_LENDIAN ? B_MEDIA_LITTLE_ENDIAN : B_MEDIA_BIG_ENDIAN; - format.channel_count = s->channels; - format.buffer_size = s->frame_size; - format.frame_rate = s->sample_rate; - s->player = new BSoundPlayer(&format, "ffmpeg output", audioplay_callback); - if (s->player->InitCheck() != B_OK) { - delete s->player; - s->player = NULL; - if (s->input_sem) - delete_sem(s->input_sem); - if (s->output_sem) - delete_sem(s->output_sem); - return AVERROR(EIO); - } - s->player->SetCookie(s); - s->player->SetVolume(1.0); - s->player->Start(); - s->player->SetHasData(true); - return 0; -} - -static int audio_close(AudioData *s) -{ - if (s->input_sem) - delete_sem(s->input_sem); - if (s->output_sem) - delete_sem(s->output_sem); - s->has_quit = 1; - if (s->player) { - s->player->Stop(); - } - if (s->player) - delete s->player; -#ifdef HAVE_BSOUNDRECORDER - if (s->recorder) - delete s->recorder; -#endif - destroy_bapp_if_needed(); - return 0; -} - -/* sound output support */ -static int audio_write_header(AVFormatContext *s1) -{ - AudioData *s = (AudioData *)s1->priv_data; - AVStream *st; - int ret; - - st = s1->streams[0]; - s->sample_rate = st->codec->sample_rate; - s->channels = st->codec->channels; - ret = audio_open(s, 1, NULL); - if (ret < 0) - return AVERROR(EIO); - return 0; -} - -static int audio_write_packet(AVFormatContext *s1, int stream_index, - const uint8_t *buf, int size, int64_t force_pts) -{ - AudioData *s = (AudioData *)s1->priv_data; - int len, ret; -#ifdef LATENCY_CHECK -bigtime_t lat1, lat2; -lat1 = s->player->Latency(); -#endif -#ifdef PERF_CHECK - bigtime_t t = s->starve_time; - s->starve_time = 0; - printf("starve_time: %lld \n", t); -#endif - while (size > 0) { - int amount; - len = MIN(size, AUDIO_BLOCK_SIZE); - if (acquire_sem_etc(s->input_sem, len, B_CAN_INTERRUPT, 0LL) < B_OK) - return AVERROR(EIO); - amount = MIN(len, (AUDIO_BUFFER_SIZE - s->input_index)); - memcpy(&s->buffer[s->input_index], buf, amount); - s->input_index += amount; - if (s->input_index >= AUDIO_BUFFER_SIZE) { - s->input_index %= AUDIO_BUFFER_SIZE; - memcpy(&s->buffer[s->input_index], buf + amount, len - amount); - s->input_index += len - amount; - } - release_sem_etc(s->output_sem, len, 0); - buf += len; - size -= len; - } -#ifdef LATENCY_CHECK -lat2 = s->player->Latency(); -printf("#### BSoundPlayer::Latency(): before= %lld, after= %lld\n", lat1, lat2); -#endif - return 0; -} - -static int audio_write_trailer(AVFormatContext *s1) -{ - AudioData *s = (AudioData *)s1->priv_data; - - audio_close(s); - return 0; -} - -/* grab support */ - -static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap) -{ - AudioData *s = (AudioData *)s1->priv_data; - AVStream *st; - int ret; - - if (!ap || ap->sample_rate <= 0 || ap->channels <= 0) - return -1; - - st = av_new_stream(s1, 0); - if (!st) { - return AVERROR(ENOMEM); - } - s->sample_rate = ap->sample_rate; - s->channels = ap->channels; - - ret = audio_open(s, 0, s1->filename); - if (ret < 0) { - av_free(st); - return AVERROR(EIO); - } - /* take real parameters */ - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = s->codec_id; - st->codec->sample_rate = s->sample_rate; - st->codec->channels = s->channels; - return 0; - av_set_pts_info(s1, 48, 1, 1000000); /* 48 bits pts in us */ -} - -static int audio_read_packet(AVFormatContext *s1, AVPacket *pkt) -{ - AudioData *s = (AudioData *)s1->priv_data; - int size; - size_t len, amount; - unsigned char *buf; - status_t err; - - if (av_new_packet(pkt, s->frame_size) < 0) - return AVERROR(EIO); - buf = (unsigned char *)pkt->data; - size = pkt->size; - while (size > 0) { - len = MIN(AUDIO_BLOCK_SIZE, size); - //printf("acquire_sem(output, %d)\n", len); - while ((err=acquire_sem_etc(s->output_sem, len, B_CAN_INTERRUPT, 0LL)) == B_INTERRUPTED); - if (err < B_OK) { - av_free_packet(pkt); - return AVERROR(EIO); - } - amount = MIN(len, (AUDIO_BUFFER_SIZE - s->output_index)); - memcpy(buf, &s->buffer[s->output_index], amount); - s->output_index += amount; - if (s->output_index >= AUDIO_BUFFER_SIZE) { - s->output_index %= AUDIO_BUFFER_SIZE; - memcpy(buf + amount, &s->buffer[s->output_index], len - amount); - s->output_index += len-amount; - s->output_index %= AUDIO_BUFFER_SIZE; - } - release_sem_etc(s->input_sem, len, 0); - //printf("release_sem(input, %d)\n", len); - buf += len; - size -= len; - } - //XXX: add pts info - return 0; -} - -static int audio_read_close(AVFormatContext *s1) -{ - AudioData *s = (AudioData *)s1->priv_data; - - audio_close(s); - return 0; -} - -static AVInputFormat audio_beos_demuxer = { - "audio_beos", - NULL_IF_CONFIG_SMALL("audio grab and output"), - sizeof(AudioData), - NULL, - audio_read_header, - audio_read_packet, - audio_read_close, - NULL, - AVFMT_NOFILE, -}; - -AVOutputFormat audio_beos_muxer = { - "audio_beos", - NULL_IF_CONFIG_SMALL("audio grab and output"), - "", - "", - sizeof(AudioData), -#ifdef WORDS_BIGENDIAN - CODEC_ID_PCM_S16BE, -#else - CODEC_ID_PCM_S16LE, -#endif - CODEC_ID_NONE, - audio_write_header, - audio_write_packet, - audio_write_trailer, - AVFMT_NOFILE, -}; - -extern "C" { - -int audio_init(void) -{ - main_thid = find_thread(NULL); - av_register_input_format(&audio_beos_demuxer); - av_register_output_format(&audio_beos_muxer); - return 0; -} - -} // "C" - -- cgit v1.2.3