Merge commit '96084251e57d1738fde02a2b0d37ca609d9efd71'

* commit '96084251e57d1738fde02a2b0d37ca609d9efd71':
  libavformat: add robust MPEG audio depacketization (RFC 5219)

Conflicts:
	Changelog
	libavformat/version.h

See: 22470510d1f9441e848bbe107c7963b6d492b47f
Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 0 insertions, 204 deletions

diff --git a/libavformat/rtpdec_mpeg12.c b/libavformat/rtpdec_mpeg12.c
index d99c507716..d73ff1e144 100644
--- a/libavformat/rtpdec_mpeg12.c
+++ b/libavformat/rtpdec_mpeg12.c
@@ -2,9 +2,6 @@
  * Common code for the RTP depacketization of MPEG-1/2 formats.
  * Copyright (c) 2002 Fabrice Bellard
  *
- * RTP parser for loss tolerant payload format for MP3 audio (RFC 5219)
- * Copyright (c) 2015 Gilles Chanteperdrix <gch@xenomai.org>
- *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
@@ -26,8 +23,6 @@
 #include "libavutil/intreadwrite.h"
 #include "rtpdec_formats.h"
 
-#define RTP_MPA_PAYLOAD_HEADER_SIZE 1
-
 static av_cold int mpeg_init(AVFormatContext *ctx, int st_index, PayloadContext *data)
 {
     if (st_index < 0)
@@ -76,202 +71,3 @@ RTPDynamicProtocolHandler ff_mpeg_video_dynamic_handler = {
     .parse_packet      = mpeg_parse_packet,
     .static_payload_id = 32,
 };
-
-/* MPA-ROBUST, RFC 5219 */
-struct PayloadContext {
-    unsigned adu_size;
-    unsigned cur_size;
-    uint32_t timestamp;
-    uint8_t *split_buf;
-    int split_pos, split_buf_size, split_pkts;
-    AVIOContext *fragment;
-};
-
-static av_cold int mpa_robust_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 PayloadContext *mpa_robust_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 mpa_robust_free_context(PayloadContext *data)
-{
-    free_fragment_if_needed(data);
-    av_free(data);
-}
-
-static int mpa_robust_parse_rtp_header(AVFormatContext *ctx,
-                                        const uint8_t *buf, int len,
-                                        unsigned *adu_size, unsigned *cont)
-{
-    unsigned header_size;
-
-    if (len < RTP_MPA_PAYLOAD_HEADER_SIZE + 1) {
-        av_log(ctx, AV_LOG_ERROR, "Invalid %d bytes packet\n", len);
-        return AVERROR_INVALIDDATA;
-    }
-
-    *cont = !!(buf[0] & 0x80);
-    if (!(buf[0] & 0x40)) {
-        header_size = 1;
-        *adu_size = buf[0] & ~0xc0;
-    } else {
-        header_size = 2;
-        *adu_size = AV_RB16(buf) & ~0xc000;
-    }
-
-    return header_size;
-}
-
-static int mpa_robust_parse_packet(AVFormatContext *ctx, PayloadContext *data,
-                                AVStream *st, AVPacket *pkt,
-                                uint32_t *timestamp, const uint8_t *buf,
-                                int len, uint16_t seq, int flags)
-{
-    unsigned adu_size, continuation;
-    int err, header_size;
-
-    if (!buf) {
-        buf = &data->split_buf[data->split_pos];
-        len = data->split_buf_size - data->split_pos;
-
-        header_size = mpa_robust_parse_rtp_header(ctx, buf, len, &adu_size,
-                                                &continuation);
-        if (header_size < 0) {
-            av_freep(&data->split_buf);
-            return header_size;
-        }
-        buf += header_size;
-        len -= header_size;
-
-        if (continuation || adu_size > len) {
-            av_freep(&data->split_buf);
-            av_log(ctx, AV_LOG_ERROR, "Invalid frame\n");
-            return AVERROR_INVALIDDATA;
-        }
-
-        if (av_new_packet(pkt, adu_size)) {
-            av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
-            return AVERROR(ENOMEM);
-        }
-
-        pkt->stream_index = st->index;
-        memcpy(pkt->data, buf, adu_size);
-
-        data->split_pos = (buf - data->split_buf) + adu_size;
-
-        if (data->split_pos == data->split_buf_size) {
-            av_freep(&data->split_buf);
-            return 0;
-        }
-
-        return 1;
-    }
-
-
-    header_size = mpa_robust_parse_rtp_header(ctx, buf, len, &adu_size,
-                                            &continuation);
-    if (header_size < 0)
-        return header_size;
-
-    buf += header_size;
-    len -= header_size;
-
-    if (!continuation && adu_size <= len) {
-        /* One or more complete frames */
-
-        if (av_new_packet(pkt, adu_size)) {
-            av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
-            return AVERROR(ENOMEM);
-        }
-
-        pkt->stream_index = st->index;
-        memcpy(pkt->data, buf, adu_size);
-
-        buf += adu_size;
-        len -= adu_size;
-        if (len) {
-            data->split_buf_size = len;
-            data->split_buf = av_malloc(data->split_buf_size);
-            data->split_pos = 0;
-            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, data->split_buf_size);
-            return 1;
-        }
-        return 0;
-    } else if (!continuation) { /* && adu_size > len */
-        /* First fragment */
-        free_fragment_if_needed(data);
-
-        data->adu_size = adu_size;
-        data->cur_size = len;
-        data->timestamp = *timestamp;
-
-        err = avio_open_dyn_buf(&data->fragment);
-        if (err < 0)
-            return err;
-
-        avio_write(data->fragment, buf, len);
-        return AVERROR(EAGAIN);
-    }
-    /* else continuation == 1 */
-
-    /* Fragment other than first */
-    if (!data->fragment) {
-        av_log(ctx, AV_LOG_WARNING,
-            "Received packet without a start fragment; dropping.\n");
-        return AVERROR(EAGAIN);
-    }
-    if (adu_size = data->adu_size ||
-        data->timestamp != *timestamp) {
-        free_fragment_if_needed(data);
-        av_log(ctx, AV_LOG_ERROR, "Invalid packet received\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    avio_write(data->fragment, buf, len);
-    data->cur_size += len;
-
-    if (data->cur_size < data->adu_size)
-        return AVERROR(EAGAIN);
-
-    err = ff_rtp_finalize_packet(pkt, &data->fragment, st->index);
-    if (err < 0) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Error occurred when getting fragment buffer.");
-        return err;
-    }
-
-    return 0;
-}
-
-RTPDynamicProtocolHandler ff_mpeg_audio_robust_dynamic_handler = {
-    .codec_type        = AVMEDIA_TYPE_AUDIO,
-    .codec_id          = AV_CODEC_ID_MP3ADU,
-    .init              = mpa_robust_init,
-    .alloc             = mpa_robust_new_context,
-    .free              = mpa_robust_free_context,
-    .parse_packet      = mpa_robust_parse_packet,
-    .enc_name          = "mpa-robust",
-};