# input/output devices
OBJS-$(CONFIG_ALSA_INDEV) += alsa-audio-common.o \
- alsa-audio-dec.o
+ alsa-audio-dec.o timefilter.o
OBJS-$(CONFIG_ALSA_OUTDEV) += alsa-audio-common.o \
alsa-audio-enc.o
+OBJS-$(CONFIG_AVFOUNDATION_INDEV) += avfoundation.o
OBJS-$(CONFIG_BKTR_INDEV) += bktr.o
+OBJS-$(CONFIG_CACA_OUTDEV) += caca.o
+OBJS-$(CONFIG_DECKLINK_OUTDEV) += decklink_enc.o decklink_enc_c.o
+OBJS-$(CONFIG_DSHOW_INDEV) += dshow.o dshow_enummediatypes.o \
+ dshow_enumpins.o dshow_filter.o \
+ dshow_pin.o dshow_common.o
OBJS-$(CONFIG_DV1394_INDEV) += dv1394.o
-OBJS-$(CONFIG_FBDEV_INDEV) += fbdev.o
+OBJS-$(CONFIG_FBDEV_INDEV) += fbdev_dec.o \
+ fbdev_common.o
+OBJS-$(CONFIG_FBDEV_OUTDEV) += fbdev_enc.o \
+ fbdev_common.o
+OBJS-$(CONFIG_GDIGRAB_INDEV) += gdigrab.o
+OBJS-$(CONFIG_IEC61883_INDEV) += iec61883.o
OBJS-$(CONFIG_JACK_INDEV) += jack_audio.o timefilter.o
- OBJS-$(CONFIG_OSS_INDEV) += oss_audio.o
- OBJS-$(CONFIG_OSS_OUTDEV) += oss_audio.o
+OBJS-$(CONFIG_LAVFI_INDEV) += lavfi.o
+OBJS-$(CONFIG_OPENAL_INDEV) += openal-dec.o
+OBJS-$(CONFIG_OPENGL_OUTDEV) += opengl_enc.o
-OBJS-$(CONFIG_PULSE_INDEV) += pulse.o
+ OBJS-$(CONFIG_OSS_INDEV) += oss_audio.o oss_audio_dec.o
+ OBJS-$(CONFIG_OSS_OUTDEV) += oss_audio.o oss_audio_enc.o
+OBJS-$(CONFIG_PULSE_INDEV) += pulse_audio_dec.o \
+ pulse_audio_common.o
+OBJS-$(CONFIG_PULSE_OUTDEV) += pulse_audio_enc.o \
+ pulse_audio_common.o
+OBJS-$(CONFIG_QTKIT_INDEV) += qtkit.o
+OBJS-$(CONFIG_SDL_OUTDEV) += sdl.o
OBJS-$(CONFIG_SNDIO_INDEV) += sndio_common.o sndio_dec.o
OBJS-$(CONFIG_SNDIO_OUTDEV) += sndio_common.o sndio_enc.o
-OBJS-$(CONFIG_V4L2_INDEV) += v4l2.o
+OBJS-$(CONFIG_V4L2_INDEV) += v4l2.o v4l2-common.o timefilter.o
+OBJS-$(CONFIG_V4L2_OUTDEV) += v4l2enc.o v4l2-common.o
+OBJS-$(CONFIG_V4L_INDEV) += v4l.o
OBJS-$(CONFIG_VFWCAP_INDEV) += vfwcap.o
OBJS-$(CONFIG_X11GRAB_INDEV) += x11grab.o
+OBJS-$(CONFIG_XV_OUTDEV) += xv.o
# external libraries
OBJS-$(CONFIG_LIBCDIO_INDEV) += libcdio.o
#else
#include <sys/soundcard.h>
#endif
+
+#if HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <fcntl.h>
#include <sys/ioctl.h>
- #include "libavutil/internal.h"
#include "libavutil/log.h"
- #include "libavutil/opt.h"
- #include "libavutil/time.h"
+
#include "libavcodec/avcodec.h"
-
-#include "libavformat/avformat.h"
+#include "avdevice.h"
- #include "libavformat/internal.h"
- #define AUDIO_BLOCK_SIZE 4096
+ #include "oss_audio.h"
- typedef struct AudioData {
- AVClass *class;
- int fd;
- int sample_rate;
- int channels;
- int frame_size; /* in bytes ! */
- enum AVCodecID codec_id;
- unsigned int flip_left : 1;
- uint8_t buffer[AUDIO_BLOCK_SIZE];
- int buffer_ptr;
- } AudioData;
-
- static int audio_open(AVFormatContext *s1, int is_output, const char *audio_device)
+ int ff_oss_audio_open(AVFormatContext *s1, int is_output,
+ const char *audio_device)
{
- AudioData *s = s1->priv_data;
+ OSSAudioData *s = s1->priv_data;
int audio_fd;
int tmp, err;
char *flip = getenv("AUDIO_FLIP_LEFT");
}
/* non blocking mode */
- if (!is_output)
- fcntl(audio_fd, F_SETFL, O_NONBLOCK);
+ if (!is_output) {
+ if (fcntl(audio_fd, F_SETFL, O_NONBLOCK) < 0) {
+ av_log(s1, AV_LOG_WARNING, "%s: Could not enable non block mode (%s)\n", audio_device, strerror(errno));
+ }
+ }
- s->frame_size = AUDIO_BLOCK_SIZE;
+ s->frame_size = OSS_AUDIO_BLOCK_SIZE;
- /* select format : favour native format */
+#define CHECK_IOCTL_ERROR(event) \
+ if (err < 0) { \
+ av_log(s1, AV_LOG_ERROR, #event ": %s\n", strerror(errno)); \
+ goto fail; \
+ }
+
+ /* select format : favour native format
+ * We don't CHECK_IOCTL_ERROR here because even if failed OSS still may be
+ * usable. If OSS is not usable the SNDCTL_DSP_SETFMTS later is going to
+ * fail anyway. `err =` kept to eliminate compiler warning. */
err = ioctl(audio_fd, SNDCTL_DSP_GETFMTS, &tmp);
#if HAVE_BIGENDIAN
fail:
close(audio_fd);
return AVERROR(EIO);
+#undef CHECK_IOCTL_ERROR
}
- static int audio_close(AudioData *s)
+ int ff_oss_audio_close(OSSAudioData *s)
{
close(s->fd);
return 0;
--- /dev/null
- * This file is part of Libav.
+ /*
- * Libav is free software; you can redistribute it and/or
++ * This file is part of FFmpeg.
+ *
- * Libav is distributed in the hope that it will be useful,
++ * 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.
+ *
- * License along with Libav; if not, write to the Free Software
++ * 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
+ */
+
+ #ifndef AVDEVICE_OSS_AUDIO_H
+ #define AVDEVICE_OSS_AUDIO_H
+
+ #include "libavcodec/avcodec.h"
+
+ #include "libavformat/avformat.h"
+
+ #define OSS_AUDIO_BLOCK_SIZE 4096
+
+ typedef struct OSSAudioData {
+ AVClass *class;
+ int fd;
+ int sample_rate;
+ int channels;
+ int frame_size; /* in bytes ! */
+ enum AVCodecID codec_id;
+ unsigned int flip_left : 1;
+ uint8_t buffer[OSS_AUDIO_BLOCK_SIZE];
+ int buffer_ptr;
+ } OSSAudioData;
+
+ int ff_oss_audio_open(AVFormatContext *s1, int is_output,
+ const char *audio_device);
+
+ int ff_oss_audio_close(OSSAudioData *s);
+
+ #endif /* AVDEVICE_OSS_AUDIO_H */
--- /dev/null
- * This file is part of Libav.
+ /*
+ * Linux audio play interface
+ * Copyright (c) 2000, 2001 Fabrice Bellard
+ *
- * Libav is free software; you can redistribute it and/or
++ * This file is part of FFmpeg.
+ *
- * Libav is distributed in the hope that it will be useful,
++ * 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.
+ *
- * License along with Libav; if not, write to the Free Software
++ * 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
-#include "libavformat/avformat.h"
++ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ #include "config.h"
+
+ #include <stdint.h>
+
+ #if HAVE_SOUNDCARD_H
+ #include <soundcard.h>
+ #else
+ #include <sys/soundcard.h>
+ #endif
+
++#if HAVE_UNISTD_H
+ #include <unistd.h>
++#endif
+ #include <fcntl.h>
+ #include <sys/ioctl.h>
+
+ #include "libavutil/internal.h"
+ #include "libavutil/opt.h"
+ #include "libavutil/time.h"
+
+ #include "libavcodec/avcodec.h"
+
++#include "avdevice.h"
+ #include "libavformat/internal.h"
+
+ #include "oss_audio.h"
+
+ static int audio_read_header(AVFormatContext *s1)
+ {
+ OSSAudioData *s = s1->priv_data;
+ AVStream *st;
+ int ret;
+
+ st = avformat_new_stream(s1, NULL);
+ if (!st) {
+ return AVERROR(ENOMEM);
+ }
+
+ ret = ff_oss_audio_open(s1, 0, s1->filename);
+ if (ret < 0) {
+ return AVERROR(EIO);
+ }
+
+ /* take real parameters */
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_id = s->codec_id;
+ st->codec->sample_rate = s->sample_rate;
+ st->codec->channels = s->channels;
+
+ avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
+ return 0;
+ }
+
+ static int audio_read_packet(AVFormatContext *s1, AVPacket *pkt)
+ {
+ OSSAudioData *s = s1->priv_data;
+ int ret, bdelay;
+ int64_t cur_time;
+ struct audio_buf_info abufi;
+
+ if ((ret=av_new_packet(pkt, s->frame_size)) < 0)
+ return ret;
+
+ ret = read(s->fd, pkt->data, pkt->size);
+ if (ret <= 0){
+ av_free_packet(pkt);
+ pkt->size = 0;
+ if (ret<0) return AVERROR(errno);
+ else return AVERROR_EOF;
+ }
+ pkt->size = ret;
+
+ /* compute pts of the start of the packet */
+ cur_time = av_gettime();
+ bdelay = ret;
+ if (ioctl(s->fd, SNDCTL_DSP_GETISPACE, &abufi) == 0) {
+ bdelay += abufi.bytes;
+ }
+ /* subtract time represented by the number of bytes in the audio fifo */
+ cur_time -= (bdelay * 1000000LL) / (s->sample_rate * s->channels);
+
+ /* convert to wanted units */
+ pkt->pts = cur_time;
+
+ 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)
+ {
+ OSSAudioData *s = s1->priv_data;
+
+ ff_oss_audio_close(s);
+ return 0;
+ }
+
+ static const AVOption options[] = {
+ { "sample_rate", "", offsetof(OSSAudioData, sample_rate), AV_OPT_TYPE_INT, {.i64 = 48000}, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { "channels", "", offsetof(OSSAudioData, channels), AV_OPT_TYPE_INT, {.i64 = 2}, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { NULL },
+ };
+
+ static const AVClass oss_demuxer_class = {
+ .class_name = "OSS demuxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
++ .category = AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
+ };
+
+ AVInputFormat ff_oss_demuxer = {
+ .name = "oss",
+ .long_name = NULL_IF_CONFIG_SMALL("OSS (Open Sound System) capture"),
+ .priv_data_size = sizeof(OSSAudioData),
+ .read_header = audio_read_header,
+ .read_packet = audio_read_packet,
+ .read_close = audio_read_close,
+ .flags = AVFMT_NOFILE,
+ .priv_class = &oss_demuxer_class,
+ };
--- /dev/null
- * This file is part of Libav.
+ /*
+ * Linux audio grab interface
+ * Copyright (c) 2000, 2001 Fabrice Bellard
+ *
- * Libav is free software; you can redistribute it and/or
++ * This file is part of FFmpeg.
+ *
- * Libav is distributed in the hope that it will be useful,
++ * 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.
+ *
- * License along with Libav; if not, write to the Free Software
++ * 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
-#include "libavformat/avformat.h"
++ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ #include "config.h"
+
+ #if HAVE_SOUNDCARD_H
+ #include <soundcard.h>
+ #else
+ #include <sys/soundcard.h>
+ #endif
+
++#if HAVE_UNISTD_H
+ #include <unistd.h>
++#endif
+ #include <fcntl.h>
+ #include <sys/ioctl.h>
+
+ #include "libavutil/internal.h"
+
+ #include "libavcodec/avcodec.h"
+
++#include "avdevice.h"
+ #include "libavformat/internal.h"
+
+ #include "oss_audio.h"
+
+ static int audio_write_header(AVFormatContext *s1)
+ {
+ OSSAudioData *s = s1->priv_data;
+ AVStream *st;
+ int ret;
+
+ st = s1->streams[0];
+ s->sample_rate = st->codec->sample_rate;
+ s->channels = st->codec->channels;
+ ret = ff_oss_audio_open(s1, 1, s1->filename);
+ if (ret < 0) {
+ return AVERROR(EIO);
+ } else {
+ return 0;
+ }
+ }
+
+ static int audio_write_packet(AVFormatContext *s1, AVPacket *pkt)
+ {
+ OSSAudioData *s = s1->priv_data;
+ int len, ret;
+ int size= pkt->size;
+ uint8_t *buf= pkt->data;
+
+ while (size > 0) {
+ len = FFMIN(OSS_AUDIO_BLOCK_SIZE - s->buffer_ptr, size);
+ memcpy(s->buffer + s->buffer_ptr, buf, len);
+ s->buffer_ptr += len;
+ if (s->buffer_ptr >= OSS_AUDIO_BLOCK_SIZE) {
+ for(;;) {
+ ret = write(s->fd, s->buffer, OSS_AUDIO_BLOCK_SIZE);
+ if (ret > 0)
+ break;
+ if (ret < 0 && (errno != EAGAIN && errno != EINTR))
+ return AVERROR(EIO);
+ }
+ s->buffer_ptr = 0;
+ }
+ buf += len;
+ size -= len;
+ }
+ return 0;
+ }
+
+ static int audio_write_trailer(AVFormatContext *s1)
+ {
+ OSSAudioData *s = s1->priv_data;
+
+ ff_oss_audio_close(s);
+ return 0;
+ }
+
++static const AVClass oss_muxer_class = {
++ .class_name = "OSS muxer",
++ .item_name = av_default_item_name,
++ .version = LIBAVUTIL_VERSION_INT,
++ .category = AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
++};
++
+ AVOutputFormat ff_oss_muxer = {
+ .name = "oss",
+ .long_name = NULL_IF_CONFIG_SMALL("OSS (Open Sound System) playback"),
+ .priv_data_size = sizeof(OSSAudioData),
+ /* XXX: we make the assumption that the soundcard accepts this format */
+ /* XXX: find better solution with "preinit" method, needed also in
+ other formats */
+ .audio_codec = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
+ .video_codec = AV_CODEC_ID_NONE,
+ .write_header = audio_write_header,
+ .write_packet = audio_write_packet,
+ .write_trailer = audio_write_trailer,
+ .flags = AVFMT_NOFILE,
++ .priv_class = &oss_muxer_class,
+ };
projects / ffmpeg / commitdiff