diff options
Diffstat (limited to 'libao2/ao_v4l2.c')
-rw-r--r-- | libao2/ao_v4l2.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/libao2/ao_v4l2.c b/libao2/ao_v4l2.c deleted file mode 100644 index 2bc74379a0..0000000000 --- a/libao2/ao_v4l2.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * audio output for V4L2 hardware MPEG decoders - * - * WARNING: You need to force -ac hwmpa for audio output to work. - * - * Copyright (C) 2007 Benjamin Zores - * - * This file is part of MPlayer. - * - * MPlayer 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. - * - * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <inttypes.h> - -#include "config.h" - -#include "mp_msg.h" - -#include "audio_out.h" -#include "audio_out_internal.h" -#include "libaf/af_format.h" -#include "libmpdemux/mpeg_packetizer.h" -#include "libvo/vo_v4l2.h" - -#define MPEG_AUDIO_ID 0x1C0 - -static int freq = 0; - -static const ao_info_t info = -{ - "V4L2 MPEG Audio Decoder output", - "v4l2", - "Benjamin Zores", - "" -}; - -LIBAO_EXTERN (v4l2) - -/* to set/get/query special features/parameters */ -static int -control (int cmd,void *arg) -{ - return CONTROL_UNKNOWN; -} - -/* open & setup audio device */ -static int -init (int rate, int channels, int format, int flags) -{ - if (v4l2_fd < 0) - return 0; - - if (format != AF_FORMAT_MPEG2) - { - mp_msg (MSGT_AO, MSGL_FATAL, - "AO: [v4l2] can only handle MPEG audio streams.\n"); - return 0; - } - - ao_data.outburst = 2048; - ao_data.samplerate = rate; - ao_data.channels = channels; - ao_data.format = AF_FORMAT_MPEG2; - ao_data.buffersize = 2048; - ao_data.bps = rate * 2 * 2; - ao_data.brokenpts = 0; - freq = rate; - - /* check for supported audio rate */ - if (rate != 32000 || rate != 41000 || rate != 48000) - { - mp_tmsg (MSGT_AO, MSGL_ERR, "[AO MPEGPES] %d Hz not supported, try to resample.\n", rate); - rate = 48000; - } - - return 1; -} - -/* close audio device */ -static void -uninit (int immed) -{ - /* nothing to do */ -} - -/* stop playing and empty buffers (for seeking/pause) */ -static void -reset (void) -{ - /* nothing to do */ -} - -/* stop playing, keep buffers (for pause) */ -static void -audio_pause (void) -{ - reset (); -} - -/* resume playing, after audio_pause() */ -static void -audio_resume (void) -{ - /* nothing to do */ -} - -/* how many bytes can be played without blocking */ -static int -get_space (void) -{ - extern int vo_pts; - float x; - int y; - - x = (float) (vo_pts - ao_data.brokenpts) / 90000.0; - if (x <= 0) - return 0; - - y = freq * 4 * x; - y /= ao_data.outburst; - y *= ao_data.outburst; - - if (y > 32000) - y = 32000; - - return y; -} - -/* number of bytes played */ -static int -play (void *data, int len, int flags) -{ - if (ao_data.format != AF_FORMAT_MPEG2) - return 0; - - send_mpeg_pes_packet (data, len, MPEG_AUDIO_ID, ao_data.brokenpts, 2, v4l2_write); - - return len; -} - -/* delay in seconds between first and last sample in buffer */ -static float -get_delay (void) -{ - return 0.0; -} |