From 1cf6e7dd37c6613c04a8afccaa51be603587380b Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Fri, 29 Jul 2011 12:01:37 +0200 Subject: mpegenc: remove disabled code --- libavformat/mpegenc.c | 116 -------------------------------------------------- 1 file changed, 116 deletions(-) (limited to 'libavformat/mpegenc.c') diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c index 7bcf289c07..ecb7cdaeb2 100644 --- a/libavformat/mpegenc.c +++ b/libavformat/mpegenc.c @@ -378,14 +378,6 @@ static int mpeg_mux_init(AVFormatContext *ctx) av_log(ctx, AV_LOG_WARNING, "VBV buffer size not set, muxing may fail\n"); stream->max_buffer_size = 230*1024; //FIXME this is probably too small as default } -#if 0 - /* see VCD standard, p. IV-7*/ - stream->max_buffer_size = 46 * 1024; - else - /* This value HAS to be used for SVCD (see SVCD standard, p. 26 V.2.3.2). - Right now it is also used for everything else.*/ - stream->max_buffer_size = 230 * 1024; -#endif s->video_bound++; break; case AVMEDIA_TYPE_SUBTITLE: @@ -531,92 +523,6 @@ static int get_vcd_padding_size(AVFormatContext *ctx, int64_t pts) } -#if 0 /* unused, remove? */ -/* return the exact available payload size for the next packet for - stream 'stream_index'. 'pts' and 'dts' are only used to know if - timestamps are needed in the packet header. */ -static int get_packet_payload_size(AVFormatContext *ctx, int stream_index, - int64_t pts, int64_t dts) -{ - MpegMuxContext *s = ctx->priv_data; - int buf_index; - StreamInfo *stream; - - stream = ctx->streams[stream_index]->priv_data; - - buf_index = 0; - if (((s->packet_number % s->pack_header_freq) == 0)) { - /* pack header size */ - if (s->is_mpeg2) - buf_index += 14; - else - buf_index += 12; - - if (s->is_vcd) { - /* there is exactly one system header for each stream in a VCD MPEG, - One in the very first video packet and one in the very first - audio packet (see VCD standard p. IV-7 and IV-8).*/ - - if (stream->packet_number==0) - /* The system headers refer only to the stream they occur in, - so they have a constant size.*/ - buf_index += 15; - - } else { - if ((s->packet_number % s->system_header_freq) == 0) - buf_index += s->system_header_size; - } - } - - if ((s->is_vcd && stream->packet_number==0) - || (s->is_svcd && s->packet_number==0)) - /* the first pack of each stream contains only the pack header, - the system header and some padding (see VCD standard p. IV-6) - Add the padding size, so that the actual payload becomes 0.*/ - buf_index += s->packet_size - buf_index; - else { - /* packet header size */ - buf_index += 6; - if (s->is_mpeg2) { - buf_index += 3; - if (stream->packet_number==0) - buf_index += 3; /* PES extension */ - buf_index += 1; /* obligatory stuffing byte */ - } - if (pts != AV_NOPTS_VALUE) { - if (dts != pts) - buf_index += 5 + 5; - else - buf_index += 5; - - } else { - if (!s->is_mpeg2) - buf_index++; - } - - if (stream->id < 0xc0) { - /* AC-3/LPCM private data header */ - buf_index += 4; - if (stream->id >= 0xa0) { - int n; - buf_index += 3; - /* NOTE: we round the payload size to an integer number of - LPCM samples */ - n = (s->packet_size - buf_index) % stream->lpcm_align; - if (n) - buf_index += (stream->lpcm_align - n); - } - } - - if (s->is_vcd && (stream->id & 0xe0) == AUDIO_ID) - /* The VCD standard demands that 20 zero bytes follow - each audio packet (see standard p. IV-8).*/ - buf_index+=20; - } - return s->packet_size - buf_index; -} -#endif - /* Write an MPEG padding packet header. */ static void put_padding_packet(AVFormatContext *ctx, AVIOContext *pb,int packet_bytes) { @@ -982,28 +888,6 @@ static void put_vcd_padding_sector(AVFormatContext *ctx) s->packet_number++; } -#if 0 /* unused, remove? */ -static int64_t get_vcd_scr(AVFormatContext *ctx,int stream_index,int64_t pts) -{ - MpegMuxContext *s = ctx->priv_data; - int64_t scr; - - /* Since the data delivery rate is constant, SCR is computed - using the formula C + i * 1200 where C is the start constant - and i is the pack index. - It is recommended that SCR 0 is at the beginning of the VCD front - margin (a sequence of empty Form 2 sectors on the CD). - It is recommended that the front margin is 30 sectors long, so - we use C = 30*1200 = 36000 - (Note that even if the front margin is not 30 sectors the file - will still be correct according to the standard. It just won't have - the "recommended" value).*/ - scr = 36000 + s->packet_number * 1200; - - return scr; -} -#endif - static int remove_decoded_packets(AVFormatContext *ctx, int64_t scr){ // MpegMuxContext *s = ctx->priv_data; int i; -- cgit v1.2.3