making act segmenter

1 files changed, 0 insertions, 409 deletions

diff --git a/ffmpeg1/libavformat/rtpdec_xiph.c b/ffmpeg1/libavformat/rtpdec_xiph.c
deleted file mode 100644
index eddb781..0000000
--- a/ffmpeg1/libavformat/rtpdec_xiph.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * Xiph RTP Protocols
- * Copyright (c) 2009 Colin McQuillian
- * Copyright (c) 2010 Josh Allmann
- *
- * 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
- * @brief Xiph / RTP Code
- * @author Colin McQuillan <m.niloc@gmail.com>
- * @author Josh Allmann <joshua.allmann@gmail.com>
- */
-
-#include "libavutil/avassert.h"
-#include "libavutil/avstring.h"
-#include "libavutil/base64.h"
-#include "libavcodec/bytestream.h"
-
-#include "rtpdec.h"
-#include "rtpdec_formats.h"
-
-/**
- * RTP/Xiph specific private data.
- */
-struct PayloadContext {
-    unsigned ident;             ///< 24-bit stream configuration identifier
-    uint32_t timestamp;
-    AVIOContext* fragment;    ///< buffer for split payloads
-    uint8_t *split_buf;
-    int split_pos, split_buf_len, split_buf_size;
-    int split_pkts;
-};
-
-static PayloadContext *xiph_new_context(void)
-{
-    return av_mallocz(sizeof(PayloadContext));
-}
-
-static inline void free_fragment_if_needed(PayloadContext * data)
-{
-    if (data->fragment) {
-        uint8_t* p;
-        avio_close_dyn_buf(data->fragment, &p);
-        av_free(p);
-        data->fragment = NULL;
-    }
-}
-
-static void xiph_free_context(PayloadContext * data)
-{
-    free_fragment_if_needed(data);
-    av_free(data->split_buf);
-    av_free(data);
-}
-
-static int xiph_vorbis_init(AVFormatContext *ctx, int st_index,
-                            PayloadContext *data)
-{
-    if (st_index < 0)
-        return 0;
-    ctx->streams[st_index]->need_parsing = AVSTREAM_PARSE_HEADERS;
-    return 0;
-}
-
-
-static int xiph_handle_packet(AVFormatContext *ctx, PayloadContext *data,
-                              AVStream *st, AVPacket *pkt, uint32_t *timestamp,
-                              const uint8_t *buf, int len, uint16_t seq,
-                              int flags)
-{
-
-    int ident, fragmented, tdt, num_pkts, pkt_len;
-
-    if (!buf) {
-        if (!data->split_buf || data->split_pos + 2 > data->split_buf_len ||
-            data->split_pkts <= 0) {
-            av_log(ctx, AV_LOG_ERROR, "No more data to return\n");
-            return AVERROR_INVALIDDATA;
-        }
-        pkt_len = AV_RB16(data->split_buf + data->split_pos);
-        data->split_pos += 2;
-        if (data->split_pos + pkt_len > data->split_buf_len) {
-            av_log(ctx, AV_LOG_ERROR, "Not enough data to return\n");
-            return AVERROR_INVALIDDATA;
-        }
-        if (av_new_packet(pkt, pkt_len)) {
-            av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
-            return AVERROR(ENOMEM);
-        }
-        pkt->stream_index = st->index;
-        memcpy(pkt->data, data->split_buf + data->split_pos, pkt_len);
-        data->split_pos += pkt_len;
-        data->split_pkts--;
-        return data->split_pkts > 0;
-    }
-
-    if (len < 6) {
-        av_log(ctx, AV_LOG_ERROR, "Invalid %d byte packet\n", len);
-        return AVERROR_INVALIDDATA;
-    }
-
-    // read xiph rtp headers
-    ident       = AV_RB24(buf);
-    fragmented  = buf[3] >> 6;
-    tdt         = (buf[3] >> 4) & 3;
-    num_pkts    = buf[3] & 0xf;
-    pkt_len     = AV_RB16(buf + 4);
-
-    if (pkt_len > len - 6) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Invalid packet length %d in %d byte packet\n", pkt_len,
-               len);
-        return AVERROR_INVALIDDATA;
-    }
-
-    if (ident != data->ident) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Unimplemented Xiph SDP configuration change detected\n");
-        return AVERROR_PATCHWELCOME;
-    }
-
-    if (tdt) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Unimplemented RTP Xiph packet settings (%d,%d,%d)\n",
-               fragmented, tdt, num_pkts);
-        return AVERROR_PATCHWELCOME;
-    }
-
-    buf += 6; // move past header bits
-    len -= 6;
-
-    if (fragmented == 0) {
-        if (av_new_packet(pkt, pkt_len)) {
-            av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
-            return AVERROR(ENOMEM);
-        }
-        pkt->stream_index = st->index;
-        memcpy(pkt->data, buf, pkt_len);
-        buf += pkt_len;
-        len -= pkt_len;
-        num_pkts--;
-
-        if (num_pkts > 0) {
-            if (len > data->split_buf_size || !data->split_buf) {
-                av_freep(&data->split_buf);
-                data->split_buf_size = 2 * len;
-                data->split_buf = av_malloc(data->split_buf_size);
-                if (!data->split_buf) {
-                    av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
-                    av_free_packet(pkt);
-                    return AVERROR(ENOMEM);
-                }
-            }
-            memcpy(data->split_buf, buf, len);
-            data->split_buf_len = len;
-            data->split_pos = 0;
-            data->split_pkts = num_pkts;
-            return 1;
-        }
-
-        return 0;
-
-    } else if (fragmented == 1) {
-        // start of xiph data fragment
-        int res;
-
-        // end packet has been lost somewhere, so drop buffered data
-        free_fragment_if_needed(data);
-
-        if((res = avio_open_dyn_buf(&data->fragment)) < 0)
-            return res;
-
-        avio_write(data->fragment, buf, pkt_len);
-        data->timestamp = *timestamp;
-
-    } else {
-        av_assert1(fragmented < 4);
-        if (data->timestamp != *timestamp) {
-            // skip if fragmented timestamp is incorrect;
-            // a start packet has been lost somewhere
-            free_fragment_if_needed(data);
-            av_log(ctx, AV_LOG_ERROR, "RTP timestamps don't match!\n");
-            return AVERROR_INVALIDDATA;
-        }
-        if (!data->fragment) {
-            av_log(ctx, AV_LOG_WARNING,
-                   "Received packet without a start fragment; dropping.\n");
-            return AVERROR(EAGAIN);
-        }
-
-        // copy data to fragment buffer
-        avio_write(data->fragment, buf, pkt_len);
-
-        if (fragmented == 3) {
-            // end of xiph data packet
-            int ret = ff_rtp_finalize_packet(pkt, &data->fragment, st->index);
-            if (ret < 0) {
-                av_log(ctx, AV_LOG_ERROR,
-                       "Error occurred when getting fragment buffer.");
-                return ret;
-            }
-
-            return 0;
-        }
-    }
-
-   return AVERROR(EAGAIN);
-}
-
-/**
- * Length encoding described in RFC5215 section 3.1.1.
- */
-static int get_base128(const uint8_t ** buf, const uint8_t * buf_end)
-{
-    int n = 0;
-    for (; *buf < buf_end; ++*buf) {
-        n <<= 7;
-        n += **buf & 0x7f;
-        if (!(**buf & 0x80)) {
-            ++*buf;
-            return n;
-        }
-    }
-    return 0;
-}
-
-/**
- * Based off parse_packed_headers in Vorbis RTP
- */
-static int
-parse_packed_headers(const uint8_t * packed_headers,
-                     const uint8_t * packed_headers_end,
-                     AVCodecContext * codec, PayloadContext * xiph_data)
-{
-
-    unsigned num_packed, num_headers, length, length1, length2, extradata_alloc;
-    uint8_t *ptr;
-
-    if (packed_headers_end - packed_headers < 9) {
-        av_log(codec, AV_LOG_ERROR,
-               "Invalid %td byte packed header.",
-               packed_headers_end - packed_headers);
-        return AVERROR_INVALIDDATA;
-    }
-
-    num_packed         = bytestream_get_be32(&packed_headers);
-    xiph_data->ident   = bytestream_get_be24(&packed_headers);
-    length             = bytestream_get_be16(&packed_headers);
-    num_headers        = get_base128(&packed_headers, packed_headers_end);
-    length1            = get_base128(&packed_headers, packed_headers_end);
-    length2            = get_base128(&packed_headers, packed_headers_end);
-
-    if (num_packed != 1 || num_headers > 3) {
-        av_log(codec, AV_LOG_ERROR,
-               "Unimplemented number of headers: %d packed headers, %d headers\n",
-               num_packed, num_headers);
-        return AVERROR_PATCHWELCOME;
-    }
-
-    if (packed_headers_end - packed_headers != length ||
-        length1 > length || length2 > length - length1) {
-        av_log(codec, AV_LOG_ERROR,
-               "Bad packed header lengths (%d,%d,%td,%d)\n", length1,
-               length2, packed_headers_end - packed_headers, length);
-        return AVERROR_INVALIDDATA;
-    }
-
-    /* allocate extra space:
-     * -- length/255 +2 for xiphlacing
-     * -- one for the '2' marker
-     * -- FF_INPUT_BUFFER_PADDING_SIZE required */
-    extradata_alloc = length + length/255 + 3 + FF_INPUT_BUFFER_PADDING_SIZE;
-
-    ptr = codec->extradata = av_malloc(extradata_alloc);
-    if (!ptr) {
-        av_log(codec, AV_LOG_ERROR, "Out of memory\n");
-        return AVERROR(ENOMEM);
-    }
-    *ptr++ = 2;
-    ptr += av_xiphlacing(ptr, length1);
-    ptr += av_xiphlacing(ptr, length2);
-    memcpy(ptr, packed_headers, length);
-    ptr += length;
-    codec->extradata_size = ptr - codec->extradata;
-    // clear out remaining parts of the buffer
-    memset(ptr, 0, extradata_alloc - codec->extradata_size);
-
-    return 0;
-}
-
-static int xiph_parse_fmtp_pair(AVStream* stream,
-                                PayloadContext *xiph_data,
-                                char *attr, char *value)
-{
-    AVCodecContext *codec = stream->codec;
-    int result = 0;
-
-    if (!strcmp(attr, "sampling")) {
-        if (!strcmp(value, "YCbCr-4:2:0")) {
-            codec->pix_fmt = AV_PIX_FMT_YUV420P;
-        } else if (!strcmp(value, "YCbCr-4:4:2")) {
-            codec->pix_fmt = AV_PIX_FMT_YUV422P;
-        } else if (!strcmp(value, "YCbCr-4:4:4")) {
-            codec->pix_fmt = AV_PIX_FMT_YUV444P;
-        } else {
-            av_log(codec, AV_LOG_ERROR,
-                   "Unsupported pixel format %s\n", attr);
-            return AVERROR_INVALIDDATA;
-        }
-    } else if (!strcmp(attr, "width")) {
-        /* This is an integer between 1 and 1048561
-         * and MUST be in multiples of 16. */
-        codec->width = atoi(value);
-        return 0;
-    } else if (!strcmp(attr, "height")) {
-        /* This is an integer between 1 and 1048561
-         * and MUST be in multiples of 16. */
-        codec->height = atoi(value);
-        return 0;
-    } else if (!strcmp(attr, "delivery-method")) {
-        /* Possible values are: inline, in_band, out_band/specific_name. */
-        return AVERROR_PATCHWELCOME;
-    } else if (!strcmp(attr, "configuration-uri")) {
-        /* NOTE: configuration-uri is supported only under 2 conditions:
-         *--after the delivery-method tag
-         * --with a delivery-method value of out_band */
-        return AVERROR_PATCHWELCOME;
-    } else if (!strcmp(attr, "configuration")) {
-        /* NOTE: configuration is supported only AFTER the delivery-method tag
-         * The configuration value is a base64 encoded packed header */
-        uint8_t *decoded_packet = NULL;
-        int packet_size;
-        size_t decoded_alloc = strlen(value) / 4 * 3 + 4;
-
-        if (decoded_alloc <= INT_MAX) {
-            decoded_packet = av_malloc(decoded_alloc);
-            if (decoded_packet) {
-                packet_size =
-                    av_base64_decode(decoded_packet, value, decoded_alloc);
-
-                result = parse_packed_headers
-                    (decoded_packet, decoded_packet + packet_size, codec,
-                    xiph_data);
-            } else {
-                av_log(codec, AV_LOG_ERROR,
-                       "Out of memory while decoding SDP configuration.\n");
-                result = AVERROR(ENOMEM);
-            }
-        } else {
-            av_log(codec, AV_LOG_ERROR, "Packet too large\n");
-            result = AVERROR_INVALIDDATA;
-        }
-        av_free(decoded_packet);
-    }
-    return result;
-}
-
-static int xiph_parse_sdp_line(AVFormatContext *s, int st_index,
-                               PayloadContext *data, const char *line)
-{
-    const char *p;
-
-    if (st_index < 0)
-        return 0;
-
-    if (av_strstart(line, "fmtp:", &p)) {
-        return ff_parse_fmtp(s->streams[st_index], data, p,
-                             xiph_parse_fmtp_pair);
-    }
-
-    return 0;
-}
-
-RTPDynamicProtocolHandler ff_theora_dynamic_handler = {
-    .enc_name         = "theora",
-    .codec_type       = AVMEDIA_TYPE_VIDEO,
-    .codec_id         = AV_CODEC_ID_THEORA,
-    .parse_sdp_a_line = xiph_parse_sdp_line,
-    .alloc            = xiph_new_context,
-    .free             = xiph_free_context,
-    .parse_packet     = xiph_handle_packet
-};
-
-RTPDynamicProtocolHandler ff_vorbis_dynamic_handler = {
-    .enc_name         = "vorbis",
-    .codec_type       = AVMEDIA_TYPE_AUDIO,
-    .codec_id         = AV_CODEC_ID_VORBIS,
-    .init             = xiph_vorbis_init,
-    .parse_sdp_a_line = xiph_parse_sdp_line,
-    .alloc            = xiph_new_context,
-    .free             = xiph_free_context,
-    .parse_packet     = xiph_handle_packet
-};