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authorwm4 <wm4@nowhere>2012-07-30 18:40:46 +0200
committerwm4 <wm4@nowhere>2012-07-30 22:14:32 +0200
commit1fde09db6f4cee7347842261234082470dd3a2ca (patch)
treec05bf64b1b397a62e6f0b9cf295a6f9d0266eed2 /libmpdemux/demux_smjpeg.c
parent17b69493b70413326c95c3c552009626809b45ec (diff)
downloadmpv-1fde09db6f4cee7347842261234082470dd3a2ca.tar.bz2
mpv-1fde09db6f4cee7347842261234082470dd3a2ca.tar.xz
Remove some demuxers and decoders
Most of these demuxers and decoders are provided in better form by libav, while the mplayer builtin ones are essentially unmaintained. The only legimitate use case for not using the libav ones was working around libav bugs or bugs related to the way mplayer uses libav. Instead of trying to keep dead code alive, development effort should go into improving libav or the mplayer libav glue code. Note that the libav demuxer have been preferred over the mplayer builtin ones for a while in mplayer2. There were some exceptions: playing DVDs with dvdnav or playing network sources. (That's because some stream modules and network.c requested explicit file formats, such as DEMUXER_TYPE_MPEG_PS, which mapped to builtin demuxers.) With this commit, they are switched to use libav. One caveat is that the requested format is not passed to libavformat, instead we rely on the auto probing to select the correct libav demuxer (see code in demux_open_stream()).
Diffstat (limited to 'libmpdemux/demux_smjpeg.c')
-rw-r--r--libmpdemux/demux_smjpeg.c200
1 files changed, 0 insertions, 200 deletions
diff --git a/libmpdemux/demux_smjpeg.c b/libmpdemux/demux_smjpeg.c
deleted file mode 100644
index 8dabc8a0e2..0000000000
--- a/libmpdemux/demux_smjpeg.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * SMJPEG file parser
- * copyright (c) 2002 Alex Beregszaszi
- * based on text by Arpi (SMJPEG-format.txt) and later on
- * http://www.lokigames.com/development/download/smjpeg/SMJPEG.txt
- *
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h> /* strtok */
-
-#include "config.h"
-#include "mp_msg.h"
-#include "libavutil/attributes.h"
-#include "stream/stream.h"
-#include "demuxer.h"
-#include "stheader.h"
-
-static int smjpeg_check_file(demuxer_t* demuxer){
- int orig_pos = stream_tell(demuxer->stream);
- char buf[8];
- int version;
-
- mp_msg(MSGT_DEMUX, MSGL_V, "Checking for SMJPEG\n");
-
- if (stream_read_word(demuxer->stream) == 0xA)
- {
- stream_read(demuxer->stream, buf, 6);
- buf[7] = 0;
-
- if (strncmp("SMJPEG", buf, 6)) {
- mp_msg(MSGT_DEMUX, MSGL_DBG2, "Failed: SMJPEG\n");
- return 0;
- }
- }
- else
- return 0;
-
- version = stream_read_dword(demuxer->stream);
- if (version != 0)
- {
- mp_msg(MSGT_DEMUX, MSGL_ERR, "Unknown version (%d) of SMJPEG. Please report!\n",
- version);
- return 0;
- }
-
- stream_seek(demuxer->stream, orig_pos);
-
- return DEMUXER_TYPE_SMJPEG;
-}
-
-
-// return value:
-// 0 = EOF or no stream found
-// 1 = successfully read a packet
-static int demux_smjpeg_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
-{
- int dtype, dsize, dpts;
-
- demux->filepos = stream_tell(demux->stream);
-
- dtype = stream_read_dword_le(demux->stream);
- dpts = stream_read_dword(demux->stream);
- dsize = stream_read_dword(demux->stream);
-
- switch(dtype)
- {
- case mmioFOURCC('s','n','d','D'):
- /* fixme, but no decoder implemented yet */
- ds_read_packet(demux->audio, demux->stream, dsize,
- (float)dpts/1000.0, demux->filepos, 0);
- break;
- case mmioFOURCC('v','i','d','D'):
- ds_read_packet(demux->video, demux->stream, dsize,
- (float)dpts/1000.0, demux->filepos, 0);
- break;
- case mmioFOURCC('D','O','N','E'):
- return 1;
- default:
- return 0;
- }
-
- return 1;
-}
-
-static demuxer_t* demux_open_smjpeg(demuxer_t* demuxer){
- sh_video_t* sh_video;
- sh_audio_t* sh_audio;
- unsigned int htype = 0, hleng av_unused;
- int i = 0;
-
- /* file header */
- stream_skip(demuxer->stream, 8); /* \x00\x0aSMJPEG */
- stream_skip(demuxer->stream, 4);
-
- mp_msg(MSGT_DEMUX, MSGL_INFO, "This clip is %d seconds\n",
- stream_read_dword(demuxer->stream));
-
- /* stream header */
- while (i < 3)
- {
- i++;
- htype = stream_read_dword_le(demuxer->stream);
- if (htype == mmioFOURCC('H','E','N','D'))
- break;
- hleng = (stream_read_word(demuxer->stream)<<16)|stream_read_word(demuxer->stream);
- switch(htype)
- {
- case mmioFOURCC('_','V','I','D'):
- sh_video = new_sh_video(demuxer, 0);
- demuxer->video->sh = sh_video;
- sh_video->ds = demuxer->video;
-
- sh_video->bih = calloc(1, sizeof(*sh_video->bih));
-
- stream_skip(demuxer->stream, 4); /* number of frames */
-// sh_video->fps = 24;
-// sh_video->frametime = 1.0f/sh_video->fps;
- sh_video->disp_w = stream_read_word(demuxer->stream);
- sh_video->disp_h = stream_read_word(demuxer->stream);
- sh_video->format = stream_read_dword_le(demuxer->stream);
-
- /* these are false values */
- sh_video->bih->biSize = 40;
- sh_video->bih->biWidth = sh_video->disp_w;
- sh_video->bih->biHeight = sh_video->disp_h;
- sh_video->bih->biPlanes = 3;
- sh_video->bih->biBitCount = 12;
- sh_video->bih->biCompression = sh_video->format;
- sh_video->bih->biSizeImage = sh_video->disp_w*sh_video->disp_h;
- break;
- case mmioFOURCC('_','S','N','D'):
- sh_audio = new_sh_audio(demuxer, 0);
- demuxer->audio->id = 0;
- demuxer->audio->sh = sh_audio;
- sh_audio->ds = demuxer->audio;
-
- sh_audio->wf = calloc(1, sizeof(*sh_audio->wf));
-
- sh_audio->samplerate = stream_read_word(demuxer->stream);
- sh_audio->wf->wBitsPerSample = stream_read_char(demuxer->stream);
- sh_audio->channels = stream_read_char(demuxer->stream);
- sh_audio->format = stream_read_dword_le(demuxer->stream);
- sh_audio->wf->wFormatTag = sh_audio->format;
- sh_audio->wf->nChannels = sh_audio->channels;
- sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
- sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels*
- sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8;
- sh_audio->wf->nBlockAlign = sh_audio->channels *2;
- sh_audio->wf->cbSize = 0;
- break;
- case mmioFOURCC('_','T','X','T'):
- stream_skip(demuxer->stream, stream_read_dword(demuxer->stream));
- break;
- }
- }
-
- demuxer->seekable = 0;
-
- return demuxer;
-}
-
-static void demux_close_smjpeg(demuxer_t *demuxer)
-{
- return;
-}
-
-
-const demuxer_desc_t demuxer_desc_smjpeg = {
- "smjpeg demuxer",
- "smjpeg",
- "SMJPEG",
- "Alex Beregszasi",
- "",
- DEMUXER_TYPE_SMJPEG,
- 1, // safe autodetect
- smjpeg_check_file,
- demux_smjpeg_fill_buffer,
- demux_open_smjpeg,
- demux_close_smjpeg,
- NULL,
- NULL
-};