making act segmenter

1 files changed, 0 insertions, 312 deletions

diff --git a/ffmpeg1/libavcodec/pcm-mpeg.c b/ffmpeg1/libavcodec/pcm-mpeg.c
deleted file mode 100644
index aec056a..0000000
--- a/ffmpeg1/libavcodec/pcm-mpeg.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * LPCM codecs for PCM formats found in MPEG streams
- * Copyright (c) 2009 Christian Schmidt
- *
- * 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
- */
-
-/**
- * @file
- * PCM codecs for encodings found in MPEG streams (DVD/Blu-ray)
- */
-
-#include "libavutil/channel_layout.h"
-#include "avcodec.h"
-#include "bytestream.h"
-#include "internal.h"
-
-/*
- * Channel Mapping according to
- * Blu-ray Disc Read-Only Format Version 1
- * Part 3: Audio Visual Basic Specifications
- * mono     M1    X
- * stereo   L     R
- * 3/0      L     R    C    X
- * 2/1      L     R    S    X
- * 3/1      L     R    C    S
- * 2/2      L     R    LS   RS
- * 3/2      L     R    C    LS    RS    X
- * 3/2+lfe  L     R    C    LS    RS    lfe
- * 3/4      L     R    C    LS    Rls   Rrs  RS   X
- * 3/4+lfe  L     R    C    LS    Rls   Rrs  RS   lfe
- */
-
-/**
- * Parse the header of a LPCM frame read from a MPEG-TS stream
- * @param avctx the codec context
- * @param header pointer to the first four bytes of the data packet
- */
-static int pcm_bluray_parse_header(AVCodecContext *avctx,
-                                   const uint8_t *header)
-{
-    static const uint8_t bits_per_samples[4] = { 0, 16, 20, 24 };
-    static const uint32_t channel_layouts[16] = {
-        0, AV_CH_LAYOUT_MONO, 0, AV_CH_LAYOUT_STEREO, AV_CH_LAYOUT_SURROUND,
-        AV_CH_LAYOUT_2_1, AV_CH_LAYOUT_4POINT0, AV_CH_LAYOUT_2_2, AV_CH_LAYOUT_5POINT0,
-        AV_CH_LAYOUT_5POINT1, AV_CH_LAYOUT_7POINT0, AV_CH_LAYOUT_7POINT1, 0, 0, 0, 0
-    };
-    static const uint8_t channels[16] = {
-        0, 1, 0, 2, 3, 3, 4, 4, 5, 6, 7, 8, 0, 0, 0, 0
-    };
-    uint8_t channel_layout = header[2] >> 4;
-
-    if (avctx->debug & FF_DEBUG_PICT_INFO)
-        av_dlog(avctx, "pcm_bluray_parse_header: header = %02x%02x%02x%02x\n",
-                header[0], header[1], header[2], header[3]);
-
-    /* get the sample depth and derive the sample format from it */
-    avctx->bits_per_coded_sample = bits_per_samples[header[3] >> 6];
-    if (!(avctx->bits_per_coded_sample == 16 || avctx->bits_per_coded_sample == 24)) {
-        av_log(avctx, AV_LOG_ERROR, "unsupported sample depth (%d)\n", avctx->bits_per_coded_sample);
-        return -1;
-    }
-    avctx->sample_fmt = avctx->bits_per_coded_sample == 16 ? AV_SAMPLE_FMT_S16 :
-                                                             AV_SAMPLE_FMT_S32;
-    if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
-        avctx->bits_per_raw_sample = avctx->bits_per_coded_sample;
-
-    /* get the sample rate. Not all values are used. */
-    switch (header[2] & 0x0f) {
-    case 1:
-        avctx->sample_rate = 48000;
-        break;
-    case 4:
-        avctx->sample_rate = 96000;
-        break;
-    case 5:
-        avctx->sample_rate = 192000;
-        break;
-    default:
-        avctx->sample_rate = 0;
-        av_log(avctx, AV_LOG_ERROR, "reserved sample rate (%d)\n",
-               header[2] & 0x0f);
-        return -1;
-    }
-
-    /*
-     * get the channel number (and mapping). Not all values are used.
-     * It must be noted that the number of channels in the MPEG stream can
-     * differ from the actual meaningful number, e.g. mono audio still has two
-     * channels, one being empty.
-     */
-    avctx->channel_layout  = channel_layouts[channel_layout];
-    avctx->channels        =        channels[channel_layout];
-    if (!avctx->channels) {
-        av_log(avctx, AV_LOG_ERROR, "reserved channel configuration (%d)\n",
-               channel_layout);
-        return -1;
-    }
-
-    avctx->bit_rate = FFALIGN(avctx->channels, 2) * avctx->sample_rate *
-                      avctx->bits_per_coded_sample;
-
-    if (avctx->debug & FF_DEBUG_PICT_INFO)
-        av_dlog(avctx,
-                "pcm_bluray_parse_header: %d channels, %d bits per sample, %d Hz, %d bit/s\n",
-                avctx->channels, avctx->bits_per_coded_sample,
-                avctx->sample_rate, avctx->bit_rate);
-    return 0;
-}
-
-static int pcm_bluray_decode_frame(AVCodecContext *avctx, void *data,
-                                   int *got_frame_ptr, AVPacket *avpkt)
-{
-    AVFrame *frame     = data;
-    const uint8_t *src = avpkt->data;
-    int buf_size = avpkt->size;
-    GetByteContext gb;
-    int num_source_channels, channel, retval;
-    int sample_size, samples;
-    int16_t *dst16;
-    int32_t *dst32;
-
-    if (buf_size < 4) {
-        av_log(avctx, AV_LOG_ERROR, "PCM packet too small\n");
-        return -1;
-    }
-
-    if (pcm_bluray_parse_header(avctx, src))
-        return -1;
-    src += 4;
-    buf_size -= 4;
-
-    bytestream2_init(&gb, src, buf_size);
-
-    /* There's always an even number of channels in the source */
-    num_source_channels = FFALIGN(avctx->channels, 2);
-    sample_size = (num_source_channels * (avctx->sample_fmt == AV_SAMPLE_FMT_S16 ? 16 : 24)) >> 3;
-    samples = buf_size / sample_size;
-
-    /* get output buffer */
-    frame->nb_samples = samples;
-    if ((retval = ff_get_buffer(avctx, frame, 0)) < 0)
-        return retval;
-    dst16 = (int16_t *)frame->data[0];
-    dst32 = (int32_t *)frame->data[0];
-
-    if (samples) {
-        switch (avctx->channel_layout) {
-            /* cases with same number of source and coded channels */
-        case AV_CH_LAYOUT_STEREO:
-        case AV_CH_LAYOUT_4POINT0:
-        case AV_CH_LAYOUT_2_2:
-            samples *= num_source_channels;
-            if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
-#if HAVE_BIGENDIAN
-                bytestream2_get_buffer(&gb, dst16, buf_size);
-#else
-                do {
-                    *dst16++ = bytestream2_get_be16u(&gb);
-                } while (--samples);
-#endif
-            } else {
-                do {
-                    *dst32++ = bytestream2_get_be24u(&gb) << 8;
-                } while (--samples);
-            }
-            break;
-        /* cases where number of source channels = coded channels + 1 */
-        case AV_CH_LAYOUT_MONO:
-        case AV_CH_LAYOUT_SURROUND:
-        case AV_CH_LAYOUT_2_1:
-        case AV_CH_LAYOUT_5POINT0:
-            if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
-                do {
-#if HAVE_BIGENDIAN
-                    bytestream2_get_buffer(&gb, dst16, avctx->channels * 2);
-                    dst16 += avctx->channels;
-#else
-                    channel = avctx->channels;
-                    do {
-                        *dst16++ = bytestream2_get_be16u(&gb);
-                    } while (--channel);
-#endif
-                    bytestream2_skip(&gb, 2);
-                } while (--samples);
-            } else {
-                do {
-                    channel = avctx->channels;
-                    do {
-                        *dst32++ = bytestream2_get_be24u(&gb) << 8;
-                    } while (--channel);
-                    bytestream2_skip(&gb, 3);
-                } while (--samples);
-            }
-            break;
-            /* remapping: L, R, C, LBack, RBack, LF */
-        case AV_CH_LAYOUT_5POINT1:
-            if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
-                do {
-                    dst16[0] = bytestream2_get_be16u(&gb);
-                    dst16[1] = bytestream2_get_be16u(&gb);
-                    dst16[2] = bytestream2_get_be16u(&gb);
-                    dst16[4] = bytestream2_get_be16u(&gb);
-                    dst16[5] = bytestream2_get_be16u(&gb);
-                    dst16[3] = bytestream2_get_be16u(&gb);
-                    dst16 += 6;
-                } while (--samples);
-            } else {
-                do {
-                    dst32[0] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[1] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[2] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[4] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[5] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[3] = bytestream2_get_be24u(&gb) << 8;
-                    dst32 += 6;
-                } while (--samples);
-            }
-            break;
-            /* remapping: L, R, C, LSide, LBack, RBack, RSide, <unused> */
-        case AV_CH_LAYOUT_7POINT0:
-            if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
-                do {
-                    dst16[0] = bytestream2_get_be16u(&gb);
-                    dst16[1] = bytestream2_get_be16u(&gb);
-                    dst16[2] = bytestream2_get_be16u(&gb);
-                    dst16[5] = bytestream2_get_be16u(&gb);
-                    dst16[3] = bytestream2_get_be16u(&gb);
-                    dst16[4] = bytestream2_get_be16u(&gb);
-                    dst16[6] = bytestream2_get_be16u(&gb);
-                    dst16 += 7;
-                    bytestream2_skip(&gb, 2);
-                } while (--samples);
-            } else {
-                do {
-                    dst32[0] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[1] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[2] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[5] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[3] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[4] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[6] = bytestream2_get_be24u(&gb) << 8;
-                    dst32 += 7;
-                    bytestream2_skip(&gb, 3);
-                } while (--samples);
-            }
-            break;
-            /* remapping: L, R, C, LSide, LBack, RBack, RSide, LF */
-        case AV_CH_LAYOUT_7POINT1:
-            if (AV_SAMPLE_FMT_S16 == avctx->sample_fmt) {
-                do {
-                    dst16[0] = bytestream2_get_be16u(&gb);
-                    dst16[1] = bytestream2_get_be16u(&gb);
-                    dst16[2] = bytestream2_get_be16u(&gb);
-                    dst16[6] = bytestream2_get_be16u(&gb);
-                    dst16[4] = bytestream2_get_be16u(&gb);
-                    dst16[5] = bytestream2_get_be16u(&gb);
-                    dst16[7] = bytestream2_get_be16u(&gb);
-                    dst16[3] = bytestream2_get_be16u(&gb);
-                    dst16 += 8;
-                } while (--samples);
-            } else {
-                do {
-                    dst32[0] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[1] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[2] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[6] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[4] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[5] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[7] = bytestream2_get_be24u(&gb) << 8;
-                    dst32[3] = bytestream2_get_be24u(&gb) << 8;
-                    dst32 += 8;
-                } while (--samples);
-            }
-            break;
-        }
-    }
-
-    *got_frame_ptr = 1;
-
-    retval = bytestream2_tell(&gb);
-    if (avctx->debug & FF_DEBUG_BITSTREAM)
-        av_dlog(avctx, "pcm_bluray_decode_frame: decoded %d -> %d bytes\n",
-                retval, buf_size);
-    return retval + 4;
-}
-
-AVCodec ff_pcm_bluray_decoder = {
-    .name           = "pcm_bluray",
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_PCM_BLURAY,
-    .decode         = pcm_bluray_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .sample_fmts    = (const enum AVSampleFormat[]){
-        AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_NONE
-    },
-    .long_name      = NULL_IF_CONFIG_SMALL("PCM signed 16|20|24-bit big-endian for Blu-ray media"),
-};