diff options
Diffstat (limited to 'libmpdemux/demux_smjpeg.c')
-rw-r--r-- | libmpdemux/demux_smjpeg.c | 200 |
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 -}; |