renamed libav to libavformat

Originally committed as revision 1276 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 449 deletions

diff --git a/libav/beosaudio.cpp b/libav/beosaudio.cpp
deleted file mode 100644
index a1ae0a53c8..0000000000
--- a/libav/beosaudio.cpp
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * BeOS audio play interface
- * Copyright (c) 2000, 2001 Fabrice Bellard.
- *
- * This library 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 of the License, or (at your option) any later version.
- *
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/time.h>
-
-#include <Application.h>
-#include <SoundPlayer.h>
-
-extern "C" {
-#include "avformat.h"
-}
-
-/* enable performance checks */
-//#define PERF_CHECK
-
-//const char *audio_device = "/dev/dsp";
-const char *audio_device = "beosaudio:";
-
-/* Pipes are 4k in BeOS IIRC */
-#define AUDIO_BLOCK_SIZE 4096
-//#define AUDIO_BLOCK_SIZE 2048
-#define AUDIO_BLOCK_COUNT 8
-
-#define AUDIO_BUFFER_SIZE (AUDIO_BLOCK_SIZE*AUDIO_BLOCK_COUNT)
-
-/* pipes suck for realtime */
-#define USE_RING_BUFFER 1
-
-typedef struct {
-    int fd;
-    int sample_rate;
-    int channels;
-    int frame_size; /* in bytes ! */
-    CodecID codec_id;
-    int flip_left : 1;
-    UINT8 buffer[AUDIO_BUFFER_SIZE];
-    int buffer_ptr;
-    int pipefd; /* the other end of the pipe */
-    /* ring buffer */
-    sem_id input_sem;
-    int input_index;
-    sem_id output_sem;
-    int output_index;
-    int queued;
-    BSoundPlayer *player;
-    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
-#ifdef USE_RING_BUFFER
-        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);
-#else
-        len = read(s->pipefd, buf, bufferSize);
-#endif
-#ifdef PERF_CHECK
-        t = system_time() - t;
-        s->starve_time = MAX(s->starve_time, t);
-#endif
-#ifndef USE_RING_BUFFER
-        if (len < B_OK) {
-            puts("EPIPE");
-            s->player->SetHasData(false);
-            snooze(100000);
-            return;
-        }
-        if (len == 0) {
-            s->player->SetHasData(false);
-            snooze(100000);
-            return;
-        }
-#endif
-        buf += len;
-        bufferSize -= len;
-    }
-}
-
-static int audio_open(AudioData *s, int is_output)
-{
-    int p[2];
-    int ret;
-    media_raw_audio_format format;
-
-    if (!is_output)
-        return -EIO; /* not for now */
-#ifdef USE_RING_BUFFER
-    s->input_sem = create_sem(AUDIO_BUFFER_SIZE, "ffmpeg_ringbuffer_input");
-//    s->input_sem = create_sem(AUDIO_BLOCK_SIZE, "ffmpeg_ringbuffer_input");
-    if (s->input_sem < B_OK)
-        return -EIO;
-    s->output_sem = create_sem(0, "ffmpeg_ringbuffer_output");
-    if (s->output_sem < B_OK) {
-        delete_sem(s->input_sem);
-        return -EIO;
-    }
-    s->input_index = 0;
-    s->output_index = 0;
-    s->queued = 0;
-#else
-    ret = pipe(p);
-    if (ret < 0)
-        return -EIO;
-    s->fd = p[is_output?1:0];
-    s->pipefd = p[is_output?0:1];
-    if (s->fd < 0) {
-        perror(is_output?"audio out":"audio in");
-        return -EIO;
-    }
-#endif
-    create_bapp_if_needed();
-    /* non blocking mode */
-//    fcntl(s->fd, F_SETFL, O_NONBLOCK);
-//    fcntl(s->pipefd, F_SETFL, O_NONBLOCK);
-    s->frame_size = AUDIO_BLOCK_SIZE;
-    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;
-#ifdef USE_RING_BUFFER
-    if (s->input_sem)
-        delete_sem(s->input_sem);
-    if (s->output_sem)
-        delete_sem(s->output_sem);
-#else
-        close(s->fd);
-        close(s->pipefd);
-#endif
-        return -EIO;
-    }
-    s->player->SetCookie(s);
-    s->player->SetVolume(1.0);
-    s->player->Start();
-    s->player->SetHasData(true);
-    /* bump up the priority (avoid realtime though) */
-    set_thread_priority(find_thread(NULL), B_DISPLAY_PRIORITY+1);
-    return 0;
-}
-
-static int audio_close(AudioData *s)
-{
-#ifdef USE_RING_BUFFER
-    if (s->input_sem)
-        delete_sem(s->input_sem);
-    if (s->output_sem)
-        delete_sem(s->output_sem);
-#endif
-    s->has_quit = 1;
-    if (s->player) {
-        s->player->Stop();
-    }
-    if (s->player)
-        delete s->player;
-#ifndef USE_RING_BUFFER
-    close(s->pipefd);
-    close(s->fd);
-#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);
-    if (ret < 0)
-        return -EIO;
-    return 0;
-}
-
-static int audio_write_packet(AVFormatContext *s1, int stream_index,
-                              UINT8 *buf, int size, int force_pts)
-{
-    AudioData *s = (AudioData *)s1->priv_data;
-    int len, ret;
-#ifdef PERF_CHECK
-    bigtime_t t = s->starve_time;
-    s->starve_time = 0;
-    printf("starve_time: %lld    \n", t);
-#endif
-#ifdef USE_RING_BUFFER
-    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 -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;
-    }
-#else
-    while (size > 0) {
-        len = AUDIO_BLOCK_SIZE - s->buffer_ptr;
-        if (len > size)
-            len = size;
-        memcpy(s->buffer + s->buffer_ptr, buf, len);
-        s->buffer_ptr += len;
-        if (s->buffer_ptr >= AUDIO_BLOCK_SIZE) {
-            for(;;) {
-//snooze(1000);
-                ret = write(s->fd, s->buffer, AUDIO_BLOCK_SIZE);
-                if (ret != 0)
-                    break;
-                if (ret < 0 && (errno != EAGAIN && errno != EINTR))
-                    return -EIO;
-            }
-            s->buffer_ptr = 0;
-        }
-        buf += len;
-        size -= len;
-    }
-#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 -ENOMEM;
-    }
-    s->sample_rate = ap->sample_rate;
-    s->channels = ap->channels;
-
-    ret = audio_open(s, 0);
-    if (ret < 0) {
-        av_free(st);
-        return -EIO;
-    } else {
-        /* 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;
-    }
-}
-
-static int audio_read_packet(AVFormatContext *s1, AVPacket *pkt)
-{
-    AudioData *s = (AudioData *)s1->priv_data;
-    int ret;
-
-    if (av_new_packet(pkt, s->frame_size) < 0)
-        return -EIO;
-    for(;;) {
-        ret = read(s->fd, pkt->data, pkt->size);
-        if (ret > 0)
-            break;
-        if (ret == -1 && (errno == EAGAIN || errno == EINTR)) {
-            av_free_packet(pkt);
-            pkt->size = 0;
-            return 0;
-        }
-        if (!(ret == 0 || (ret == -1 && (errno == EAGAIN || errno == EINTR)))) {
-            av_free_packet(pkt);
-            return -EIO;
-        }
-    }
-    pkt->size = ret;
-    if (s->flip_left && s->channels == 2) {
-        int i;
-        short *p = (short *) pkt->data;
-
-        for (i = 0; i < ret; i += 4) {
-            *p = ~*p;
-            p += 2;
-        }
-    }
-    return 0;
-}
-
-static int audio_read_close(AVFormatContext *s1)
-{
-    AudioData *s = (AudioData *)s1->priv_data;
-
-    audio_close(s);
-    return 0;
-}
-
-AVInputFormat audio_in_format = {
-    "audio_device",
-    "audio grab and output",
-    sizeof(AudioData),
-    NULL,
-    audio_read_header,
-    audio_read_packet,
-    audio_read_close,
-    NULL,
-    AVFMT_NOFILE,
-};
-
-AVOutputFormat audio_out_format = {
-    "audio_device",
-    "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_in_format);
-    av_register_output_format(&audio_out_format);
-    return 0;
-}
-
-} // "C"
-