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DISCONTINUED:openSUSE:11.2:Update
xine-lib
xine-lib-mjpegplugin.diff
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File xine-lib-mjpegplugin.diff of Package xine-lib
Index: configure.ac ================================================================================ --- configure +++ configure @@ -54785,6 +54785,7 @@ echo " * video decoder plugins:" echo " - MPEG 1,2 - Amiga Bitplane" echo " - Raw RGB - Raw YUV" +echo " - Motion JPEG" if test "x$with_external_ffmpeg" = "xyes"; then echo " - ffmpeg (external library):" else --- configure.ac +++ configure.ac @@ -1062,6 +1062,28 @@ AC_SUBST([SDL_LIBS]) dnl --------------------------------------------- +dnl check for libjpeg +dnl --------------------------------------------- + +AC_ARG_ENABLE([jpeg], + AC_HELP_STRING([--disable-jpeg], [do not build JPEG support]), + [with_jpeg=$enableval], [with_jpeg=yes]) + +if test "x$with_jpeg" = "xyes"; then + AC_CHECK_HEADERS(jpeglib.h, + [ + AC_CHECK_LIB(jpeg,jpeg_start_decompress, + [ + AC_DEFINE(HAVE_JPEG,1,[Define this if you have libjpeg library installed]) + ]) + ]) +else + no_sdl=yes +fi +AM_CONDITIONAL(HAVE_JPEG, [test x"$with_jpeg" == x"yes"]) + + +dnl --------------------------------------------- dnl check for Libstk dnl --------------------------------------------- @@ -2775,6 +2797,7 @@ src/libxineadec/gsm610/Makefile src/libxineadec/nosefart/Makefile src/libreal/Makefile +src/mjpeg/Makefile src/post/Makefile src/post/planar/Makefile src/post/goom/Makefile @@ -2962,6 +2985,9 @@ dnl audio decoders echo " * audio decoder plugins:" echo " - GSM 06.10 - linear PCM" +if test x"$with_jpeg" == x"yes"; then + echo " - Motion JPEG (libjpeg based)" +fi if test "x$with_external_ffmpeg" = "xyes"; then echo " - ffmpeg (external library):" else --- src/Makefile.am +++ src/Makefile.am @@ -25,6 +25,7 @@ libreal \ libfaad \ libmusepack \ + mjpeg \ post \ combined \ vdr --- src/Makefile.in +++ src/Makefile.in @@ -411,6 +411,7 @@ libreal \ libfaad \ libmusepack \ + mjpeg \ post \ combined --- src/mjpeg/Makefile.am +++ src/mjpeg/Makefile.am @@ -0,0 +1,9 @@ +include $(top_srcdir)/misc/Makefile.common + +if HAVE_JPEG +xineplug_LTLIBRARIES = xineplug_decode_mjpeg.la +xineplug_decode_mjpeg_la_SOURCES = xine_mjpeg_decoder.c +xineplug_decode_mjpeg_la_LIBADD = $(XINE_LIB) -ljpeg +xineplug_decode_mjpeg_la_CFLAGS = $(VISIBILITY_FLAG) +xineplug_decode_mjpeg_la_LDFLAGS = $(xineplug_ldflags) +endif --- src/mjpeg/Makefile.in +++ src/mjpeg/Makefile.in @@ -0,0 +1,751 @@ +# Makefile.in generated by automake 1.10 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ 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[3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: --- src/mjpeg/xine_mjpeg_decoder.c +++ src/mjpeg/xine_mjpeg_decoder.c @@ -0,0 +1,397 @@ +/* + * Copyright (C) 2007 Marcus Meissner + * + * This file is part of xine, a free video player. + * + * xine 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. + * + * xine 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * $Id: xine_decoder.c,v 1.57 2006/07/10 22:08:29 dgp85 Exp $ + * + * stuff needed to turn libjpeg into a xine video decoder. + */ + +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> +#include <string.h> + +#include <jpeglib.h> + +#define LOG_MODULE "mjpeg_decoder" +#define LOG_VERBOSE + +#include "config.h" +#include "xine_internal.h" +#include "video_out.h" +#include "buffer.h" +#include "xineutils.h" + +static const uint8_t default_dht[420] = { + /* DHT(Define Huffman Table) */ + 0xFF,0xC4, + 0x01,0xA2, + 0x00,0x00,0x01,0x05,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x01,0x00,0x03, + 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x01, + 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x10,0x00,0x02,0x01,0x03,0x03, + 0x02,0x04,0x03,0x05,0x05,0x04,0x04,0x00,0x00,0x01,0x7D,0x01,0x02,0x03,0x00,0x04, + 0x11,0x05,0x12,0x21,0x31,0x41,0x06,0x13,0x51,0x61,0x07,0x22,0x71,0x14,0x32,0x81, + 0x91,0xA1,0x08,0x23,0x42,0xB1,0xC1,0x15,0x52,0xD1,0xF0,0x24,0x33,0x62,0x72,0x82, + 0x09,0x0A,0x16,0x17,0x18,0x19,0x1A,0x25,0x26,0x27,0x28,0x29,0x2A,0x34,0x35,0x36, + 0x37,0x38,0x39,0x3A,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x53,0x54,0x55,0x56, + 0x57,0x58,0x59,0x5A,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x73,0x74,0x75,0x76, + 0x77,0x78,0x79,0x7A,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x92,0x93,0x94,0x95, + 0x96,0x97,0x98,0x99,0x9A,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xB2,0xB3, + 0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA, + 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7, + 0xE8,0xE9,0xEA,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0x11,0x00,0x02, + 0x01,0x02,0x04,0x04,0x03,0x04,0x07,0x05,0x04,0x04,0x00,0x01,0x02,0x77,0x00,0x01, + 0x02,0x03,0x11,0x04,0x05,0x21,0x31,0x06,0x12,0x41,0x51,0x07,0x61,0x71,0x13,0x22, + 0x32,0x81,0x08,0x14,0x42,0x91,0xA1,0xB1,0xC1,0x09,0x23,0x33,0x52,0xF0,0x15,0x62, + 0x72,0xD1,0x0A,0x16,0x24,0x34,0xE1,0x25,0xF1,0x17,0x18,0x19,0x1A,0x26,0x27,0x28, + 0x29,0x2A,0x35,0x36,0x37,0x38,0x39,0x3A,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A, + 0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A, + 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89, + 0x8A,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7, + 0xA8,0xA9,0xAA,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xC2,0xC3,0xC4,0xC5, + 0xC6,0xC7,0xC8,0xC9,0xCA,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xE2,0xE3, + 0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA +}; + + +typedef struct { + video_decoder_class_t decoder_class; +} mjpeg_class_t; + +typedef struct mjpeg_decoder_s { + video_decoder_t video_decoder; + + xine_stream_t *xstream; + + int64_t pts; + + xine_bmiheader bih; + + int output_sampling_rate; + int output_open; + int output_mode; + + uint8_t *buffer; + int bytes_in_buffer; + int maxbytes_in_buffer; + int skip_frames; + + + struct jpeg_decompress_struct jd; + struct jpeg_error_mgr jerr; + struct jpeg_source_mgr jsm; +} mjpeg_decoder_t; + +/* For the JPEG decompressor source manager. */ +static void _jpeg_init_source(j_decompress_ptr cinfo) { } + +static boolean _jpeg_fill_input_buffer(j_decompress_ptr cinfo) { + fprintf(stderr, "_jpeg_fill_input_buffer(): should not get here.\n"); + return FALSE; +} + +static void _jpeg_skip_input_data(j_decompress_ptr cinfo,long num_bytes) { + fprintf(stderr, "_jpeg_skip_input_data(): Skipping %ld bytes...\n", num_bytes); + cinfo->src->next_input_byte += num_bytes; + cinfo->src->bytes_in_buffer -= num_bytes; +} + +static boolean _jpeg_resync_to_restart(j_decompress_ptr cinfo, int desired) { + fprintf(stderr, "_jpeg_resync_to_restart(desired=%d): Should not get here.\n",desired); + return FALSE; +} +static void _jpeg_term_source(j_decompress_ptr cinfo) { } + + +static void mjpeg_reset (video_decoder_t *this_gen) { + mjpeg_decoder_t *this = (mjpeg_decoder_t *) this_gen; + + this->pts = 0; + this->bytes_in_buffer = 0; + this->skip_frames = 0; +} + +static void mjpeg_flush (video_decoder_t *this_gen) { + mjpeg_decoder_t *this = (mjpeg_decoder_t *) this_gen; + + this->bytes_in_buffer = 0; + + lprintf ("flush\n"); +} + +static void mjpeg_discontinuity (video_decoder_t *this_gen) { + mjpeg_decoder_t *this = (mjpeg_decoder_t *) this_gen; + + this->bytes_in_buffer = 0; + this->pts = 0; +} + +static void mjpeg_decode_data (video_decoder_t *this_gen, buf_element_t *buf) { + struct vo_frame_s *frame; + mjpeg_decoder_t *this = (mjpeg_decoder_t *) this_gen; + int i, ret, havedht, offsetdqt; + uint8_t *cursamprow; + int minscanline=1000; + +#if 0 + fprintf (stderr, "decode data, decoder_flags: %x (", buf->decoder_flags); +#define X(x) if (BUF_FLAG_##x & buf->decoder_flags) fprintf (stderr,"BUF_FLAG_"#x", "); +X(FRAME_START); +X(FRAME_END); +X(HEADER); +X(PREVIEW); +X(END_USER); +X(END_STREAM); +X(FRAMERATE); +X(SEEK); +X(SPECIAL); +X(STDHEADER); +X(ASPECT); +#undef X + fprintf (stderr, ")\n"); +#endif + + if (buf->decoder_flags & BUF_FLAG_HEADER) { + if (buf->decoder_flags & BUF_FLAG_STDHEADER) { + memcpy ( &this->bih, buf->content, sizeof(xine_bmiheader) ); + /* FIXME: handle extra data? */ +#if 0 + fprintf (stderr,"stdheader:\n"); + fprintf (stderr,"Height: %d\n",this->bih.biHeight); + fprintf (stderr,"Width: %d\n",this->bih.biWidth); +#endif + /* the others are not terribly interesting for JPEG */ + return; + } + fprintf (stderr,"Non STD-header handling not done yet.\n"); + return; + } + + while (buf->size>this->maxbytes_in_buffer - this->bytes_in_buffer) { + uint8_t *newbuf; + newbuf = realloc (this->buffer, this->maxbytes_in_buffer*2); + if (!newbuf) { + return; /* Hmm. Not good. */ + } + this->maxbytes_in_buffer *= 2; + this->buffer = newbuf; + } + xine_fast_memcpy (&this->buffer[this->bytes_in_buffer], + buf->content, buf->size); + this->bytes_in_buffer += buf->size; + + if (!(buf->decoder_flags & BUF_FLAG_FRAME_END)) + return; + + /* OK - Decode! */ + + if (this->skip_frames > 0) { + this->skip_frames--; + this->bytes_in_buffer = 0; + return; + } + + havedht = 0; offsetdqt = 0; + for (i=0;i<this->bytes_in_buffer;i++) { + if (this->buffer[i] != 0xff) + continue; + i++; + if (i==this->bytes_in_buffer) break; + if (this->buffer[i] == 0xdb)/* DQT */ + offsetdqt = i-1; + if (this->buffer[i] == 0xc4) /* DHT */ + havedht = 1; + if (this->buffer[i] == 0xc0) /* SOF */ + break; + } + if (!havedht) { + /* FIXME: we could inject this more directly into libjpeg. + * Find out sometime how to... + */ + while (this->maxbytes_in_buffer - this->bytes_in_buffer < sizeof(default_dht)) { + uint8_t *newbuf; + newbuf = realloc (this->buffer, this->maxbytes_in_buffer*2); + if (!newbuf) { + /* Umm. how to handle out of memory situation here */ + return; + } + this->maxbytes_in_buffer *= 2; + this->buffer = newbuf; + } + memmove (this->buffer+offsetdqt+sizeof(default_dht), this->buffer+offsetdqt, this->bytes_in_buffer-offsetdqt); + memcpy (this->buffer+offsetdqt, default_dht, sizeof(default_dht)); + this->bytes_in_buffer += sizeof(default_dht); + } + + this->jsm.next_input_byte = this->buffer; + this->jsm.bytes_in_buffer = this->bytes_in_buffer; + + ret = jpeg_read_header(&this->jd,TRUE); + this->jd.out_color_space = JCS_YCbCr; + jpeg_start_decompress(&this->jd); + if (ret != JPEG_HEADER_OK) { + fprintf(stderr, "Jpeg image in stream has bad format, read header returned %d.\n",ret); + this->bytes_in_buffer = 0; + return; + } + + /* I am not fully sure we can assume that we get 4:1:1 YUV output. + * But I think we do with JCS_YCbCr. + */ + frame = this->xstream->video_out->get_frame (this->xstream->video_out, + this->jd.output_width, + this->jd.output_height, + (1.00*this->jd.output_width)/this->jd.output_height, + XINE_IMGFMT_YV12, + 0 + ); + + cursamprow = calloc(1,this->jd.output_width*this->jd.output_components); + while (this->jd.output_scanline < this->jd.output_height) { + uint8_t *y,*u,*v; + int i, curscanline; + int x = jpeg_read_scanlines(&this->jd,&cursamprow,1); + + /* it occasionaly starts at 1 and goes to height+1 for curious reasons */ + if (minscanline > this->jd.output_scanline) { + minscanline = this->jd.output_scanline; + if (minscanline) fprintf (stderr,"minscanline %d\n", minscanline); + } + curscanline = this->jd.output_scanline-minscanline; + if (x != 1) { + fprintf(stderr, "failed to read current scanline?\n"); + break; + } + y = frame->base[0]+frame->pitches[0]*curscanline; + u = frame->base[1]+frame->pitches[1]*(curscanline/2); + v = frame->base[2]+frame->pitches[2]*(curscanline/2); + for (i=0;i<this->jd.output_width;i++) { + y[i] = cursamprow[i*3+0]; + u[i/2] = cursamprow[i*3+1]; + v[i/2] = cursamprow[i*3+2]; + } + } + free (cursamprow); + + frame->pts = buf->pts; + frame->duration = buf->decoder_info[0]; + this->skip_frames = frame->draw(frame,this->xstream); + frame->drawn = 1; + frame->free(frame); + jpeg_finish_decompress(&this->jd); + this->bytes_in_buffer = 0; +} + +static void mjpeg_dispose (video_decoder_t *this_gen) { + mjpeg_decoder_t *this = (mjpeg_decoder_t *) this_gen; + + jpeg_destroy_decompress(&this->jd); + if (this->output_open) { + this->xstream->video_out->close (this->xstream->video_out, this->xstream); + this->output_open = 0; + } + if (this->buffer) free (this->buffer); + this->buffer = NULL; + free (this_gen); +} + +static video_decoder_t *open_plugin (video_decoder_class_t *class_gen, xine_stream_t *stream) { + mjpeg_decoder_t *this ; + + this = (mjpeg_decoder_t *) xine_xmalloc (sizeof (mjpeg_decoder_t)); + + this->video_decoder.decode_data = mjpeg_decode_data; + this->video_decoder.reset = mjpeg_reset; + this->video_decoder.flush = mjpeg_flush; + this->video_decoder.discontinuity = mjpeg_discontinuity; + this->video_decoder.dispose = mjpeg_dispose; + + this->output_open = 0; + this->bytes_in_buffer = 0; + this->skip_frames = 0; + this->xstream = stream; + + this->maxbytes_in_buffer = 16384; + this->buffer = malloc(this->maxbytes_in_buffer); + + this->jd.err = jpeg_std_error(&this->jerr); + jpeg_create_decompress(&this->jd); + + this->jsm.init_source = _jpeg_init_source; + this->jsm.fill_input_buffer = _jpeg_fill_input_buffer; + this->jsm.skip_input_data = _jpeg_skip_input_data; + this->jsm.resync_to_restart = _jpeg_resync_to_restart; + this->jsm.term_source = _jpeg_term_source; + this->jd.src = &this->jsm; + + stream->video_out->open(stream->video_out, stream); +#if 0 + caps = stream->video_out->get_capabilities (stream->video_out); + fprintf (stderr, "video out caps: %x\n", caps); +#endif + return &this->video_decoder; +} + +/* + * mjpeg plugin class + */ + +static char *get_identifier (video_decoder_class_t *this) { + return "mjpeg"; +} + +static char *get_description (video_decoder_class_t *this) { + return "libjpeg based mjpeg video decoder plugin"; +} + +static void dispose_class (video_decoder_class_t *this) { + free (this); +} + +static void *init_plugin (xine_t *xine, void *data) { + + mjpeg_class_t *this; + + this = (mjpeg_class_t *) xine_xmalloc (sizeof (mjpeg_class_t)); + + this->decoder_class.open_plugin = open_plugin; + this->decoder_class.get_identifier = get_identifier; + this->decoder_class.get_description = get_description; + this->decoder_class.dispose = dispose_class; + + return this; +} + +static uint32_t video_types[] = { + BUF_VIDEO_JPEG, + BUF_VIDEO_MJPEG, + 0 +}; + +static const decoder_info_t dec_info_video = { + video_types, /* supported types */ + 7 /* priority */ +}; + +const plugin_info_t xine_plugin_info[] EXPORTED = { + /* type, API, "name", version, special_info, init_function */ + { PLUGIN_VIDEO_DECODER, 18, "mjpeg", XINE_VERSION_CODE, &dec_info_video, init_plugin }, + { PLUGIN_NONE, 0, "", 0, NULL, NULL } +};
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