mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
synced 2025-08-26 23:13:16 +02:00
293 lines
7.2 KiB
C
293 lines
7.2 KiB
C
/*
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* linuxdvb output/writer handling.
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*
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* konfetti 2010 based on linuxdvb.c code from libeplayer2
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* ***************************** */
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/* Includes */
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/* ***************************** */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/uio.h>
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#include <linux/dvb/video.h>
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#include <linux/dvb/audio.h>
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#include <memory.h>
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#include <asm/types.h>
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#include <pthread.h>
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#include <errno.h>
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#include <libavcodec/avcodec.h>
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#include "stm_ioctls.h"
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#include "bcm_ioctls.h"
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#include "common.h"
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#include "output.h"
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#include "debug.h"
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#include "misc.h"
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#include "pes.h"
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#include "writer.h"
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#include "pcm.h"
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#include "ffmpeg/xiph.h"
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/* ***************************** */
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/* Makros/Constants */
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/* ***************************** */
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/* ***************************** */
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/* Types */
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/* ***************************** */
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/* ***************************** */
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/* Variables */
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/* ***************************** */
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/* ***************************** */
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/* Prototypes */
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/* ***************************** */
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/* ***************************** */
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/* MISC Functions */
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/* ***************************** */
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static int reset()
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{
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return 0;
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}
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static int writeData(WriterAVCallData_t *call)
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{
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if (call == NULL || call->data == NULL || call->len <= 0 || call->fd < 0 || !call->private_data || call->private_size != sizeof(pcmPrivateData_t))
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{
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bcma_err("Wrong input call: %p, data: %p, len: %d, fd: %d\n", call, call->data, call->len, call->fd);
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return 0;
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}
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bcma_printf(10, "AudioPts %lld\n", call->Pts);
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uint8_t PesHeader[PES_MAX_HEADER_SIZE + 22];
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uint32_t i;
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uint32_t private_size = 0;
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const uint8_t *vorbis_header_start[3];
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int vorbis_header_len[3];
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uint8_t vorbis_header_len_raw[3][2];
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pcmPrivateData_t *pcmPrivateData = (pcmPrivateData_t *)call->private_data;
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uint32_t headerSize = InsertPesHeader(PesHeader, call->len, MPEG_AUDIO_PES_START_CODE, call->Pts, 0);
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if (pcmPrivateData->codec_id == AV_CODEC_ID_VORBIS)
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{
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if (avpriv_split_xiph_headers(pcmPrivateData->private_data, pcmPrivateData->private_size, 30, vorbis_header_start, vorbis_header_len) < 0)
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{
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bcma_err("Wrong VORBIS codec data : %p, len: %d\n", pcmPrivateData->private_data, pcmPrivateData->private_size);
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return -1;
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}
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for (i = 0; i < 3; ++i)
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{
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vorbis_header_len_raw[i][0] = (vorbis_header_len[i] >> 8) & 0xff;
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vorbis_header_len_raw[i][1] = vorbis_header_len[i] & 0xff;
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private_size += 2 + vorbis_header_len[i];
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}
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}
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else
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{
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private_size = pcmPrivateData->private_size;
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}
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if (STB_DREAMBOX == GetSTBType())
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{
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PesHeader[headerSize++] = 'B';
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PesHeader[headerSize++] = 'C';
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PesHeader[headerSize++] = 'M';
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PesHeader[headerSize++] = 'A';
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}
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if (pcmPrivateData->codec_id != AV_CODEC_ID_VORBIS || pcmPrivateData->codec_id != AV_CODEC_ID_OPUS || STB_HISILICON != GetSTBType())
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{
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uint32_t payloadSize = call->len;
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PesHeader[headerSize++] = (payloadSize >> 24) & 0xFF;
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PesHeader[headerSize++] = (payloadSize >> 16) & 0xFF;
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PesHeader[headerSize++] = (payloadSize >> 8) & 0xFF;
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PesHeader[headerSize++] = payloadSize & 0xFF;
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int32_t channels = pcmPrivateData->channels;
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uint32_t sample_rate = pcmPrivateData->sample_rate;
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int32_t bits_per_sample = pcmPrivateData->bits_per_coded_sample;
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uint32_t byte_rate = pcmPrivateData->bit_rate / 8;
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uint32_t block_align = pcmPrivateData->block_align;
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int32_t format_tag = 0;
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switch (pcmPrivateData->codec_id)
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{
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case AV_CODEC_ID_WMAV1:
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format_tag = 0x160;
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break;
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case AV_CODEC_ID_WMAV2:
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format_tag = 0x161;
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break;
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case AV_CODEC_ID_WMAPRO:
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format_tag = 0x162;
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break;
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case AV_CODEC_ID_WMALOSSLESS:
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format_tag = 0x163;
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break;
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case AV_CODEC_ID_VORBIS:
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bits_per_sample = 8;
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byte_rate = 32000;
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block_align = 1;
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break;
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default:
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format_tag = 0xFFFF;
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break;
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}
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/* format tag */
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PesHeader[headerSize++] = format_tag & 0xff;
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PesHeader[headerSize++] = (format_tag >> 8) & 0xff;
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/* channels */
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PesHeader[headerSize++] = channels & 0xff;
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PesHeader[headerSize++] = (channels >> 8) & 0xff;
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/* sample rate */
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PesHeader[headerSize++] = sample_rate & 0xff;
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PesHeader[headerSize++] = (sample_rate >> 8) & 0xff;
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PesHeader[headerSize++] = (sample_rate >> 16) & 0xff;
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PesHeader[headerSize++] = (sample_rate >> 24) & 0xff;
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/* byte rate */
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PesHeader[headerSize++] = byte_rate & 0xff;
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PesHeader[headerSize++] = (byte_rate >> 8) & 0xff;
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PesHeader[headerSize++] = (byte_rate >> 16) & 0xff;
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PesHeader[headerSize++] = (byte_rate >> 24) & 0xff;
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/* block align */
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PesHeader[headerSize++] = block_align & 0xff;
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PesHeader[headerSize++] = (block_align >> 8) & 0xff;
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/* bits per sample */
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PesHeader[headerSize++] = bits_per_sample & 0xff;
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PesHeader[headerSize++] = (bits_per_sample >> 8) & 0xff;
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/* Codec Specific Data Size */
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PesHeader[headerSize++] = private_size & 0xff;
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PesHeader[headerSize++] = (private_size >> 8) & 0xff;
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}
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PesHeader[6] |= 1;
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UpdatePesHeaderPayloadSize(PesHeader, headerSize - 6 + private_size + call->len);
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struct iovec iov[5];
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i = 0;
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iov[i].iov_base = PesHeader;
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iov[i++].iov_len = headerSize;
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if (private_size > 0)
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{
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if (pcmPrivateData->codec_id == AV_CODEC_ID_VORBIS)
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{
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for (i = 0; i < 3; ++i)
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{
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iov[i].iov_base = vorbis_header_len_raw[i];
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iov[i++].iov_len = 2;
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iov[i].iov_base = vorbis_header_start;
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iov[i++].iov_len = vorbis_header_len[i];
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}
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}
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else
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{
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iov[i].iov_base = pcmPrivateData->private_data;
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iov[i++].iov_len = private_size;
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}
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}
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iov[i].iov_base = call->data;
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iov[i++].iov_len = call->len;
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return call->WriteV(call->fd, iov, i);
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}
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/* ***************************** */
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/* Writer Definition */
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/* ***************************** */
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static WriterCaps_t capsVORBIS =
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{
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"vorbis",
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eAudio,
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"A_VORBIS",
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-1,
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AUDIOTYPE_VORBIS,
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-1
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};
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struct Writer_s WriterAudioVORBIS =
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{
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&reset,
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&writeData,
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&capsVORBIS
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};
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static WriterCaps_t capsOPUS =
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{
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"opus",
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eAudio,
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"A_OPUS",
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-1,
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AUDIOTYPE_OPUS,
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-1
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};
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struct Writer_s WriterAudioOPUS =
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{
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&reset,
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&writeData,
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&capsOPUS
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};
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static WriterCaps_t capsWMAPRO =
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{
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"wma/pro",
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eAudio,
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"A_WMA/PRO",
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-1,
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AUDIOTYPE_WMA_PRO,
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-1
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};
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struct Writer_s WriterAudioWMAPRO =
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{
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&reset,
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&writeData,
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&capsWMAPRO
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};
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static WriterCaps_t capsWMA =
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{
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"wma",
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eAudio,
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"A_WMA",
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-1,
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AUDIOTYPE_WMA,
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-1
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};
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struct Writer_s WriterAudioWMA =
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{
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&reset,
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&writeData,
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&capsWMA
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};
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