From: Wind Yuan Date: Thu, 9 Feb 2012 16:21:04 +0000 (+0800) Subject: codecparsers: add JPEG parser. X-Git-Tag: 1.19.3~503^2~3101 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c350a0809d3ecb2f47f7fe6c43b319f12d1d5bdd;p=platform%2Fupstream%2Fgstreamer.git codecparsers: add JPEG parser. Signed-off-by: Gwenole Beauchesne --- diff --git a/configure.ac b/configure.ac index 0d0335c..d8d4563 100644 --- a/configure.ac +++ b/configure.ac @@ -247,6 +247,7 @@ AC_DEFINE_UNQUOTED(USE_CODEC_PARSERS, $USE_CODEC_PARSERS, [Defined to 1 if GStreamer codec parsers are used]) AM_CONDITIONAL(USE_CODEC_PARSERS, test $USE_CODEC_PARSERS -eq 1) +USE_LOCAL_CODEC_PARSERS=0 if test "$enable_codecparsers" = "yes"; then AC_CACHE_CHECK([for GstH264SliceHdr::n_emulation_prevention_bytes], ac_cv_have_gst_h264_slice_hdr_epb_count, [ @@ -264,6 +265,22 @@ AC_CACHE_CHECK([for GstH264SliceHdr::n_emulation_prevention_bytes], CFLAGS="$saved_CFLAGS" LIBS="$saved_LIBS" ]) + +AC_CACHE_CHECK([for JPEG parser], + ac_cv_have_gst_jpeg_parser, [ + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $GST_CFLAGS $GST_CODEC_PARSERS_CFLAGS" + saved_LIBS="$LIBS" + LIBS="$LIBS $GST_LIBS $GST_CODEC_PARSERS_LIBS" + AC_TRY_COMPILE( + [#include ], + [GstJpegImage jpeg_image;], + [ac_cv_have_gst_jpeg_parser="yes"], + [ac_cv_have_gst_jpeg_parser="no" USE_LOCAL_CODEC_PARSERS=1] + ) + CFLAGS="$saved_CFLAGS" + LIBS="$saved_LIBS" +]) fi if test "$ac_cv_have_gst_h264_slice_hdr_epb_count" = "yes"; then @@ -271,6 +288,12 @@ if test "$ac_cv_have_gst_h264_slice_hdr_epb_count" = "yes"; then [Defined to 1 if GstH264SliceHdr::n_emulation_prevention_bytes exists.]) fi +if test "$ac_cv_have_gst_jpeg_parser" = "yes"; then + AC_DEFINE_UNQUOTED(HAVE_GST_JPEG_PARSER, 1, + [Defined to 1 if JPEG parser exists.]) +fi +AM_CONDITIONAL(USE_LOCAL_CODEC_PARSERS, test $USE_LOCAL_CODEC_PARSERS -eq 1) + dnl Check for GStreamer interfaces PKG_CHECK_MODULES([GST_INTERFACES], [gstreamer-interfaces-$GST_MAJORMINOR >= $GST_PLUGINS_BASE_VERSION_REQUIRED] @@ -458,6 +481,7 @@ debian.upstream/libgstvaapi-glx.install.in gst-libs/Makefile gst-libs/gst/Makefile gst-libs/gst/gstutils_version.h + gst-libs/gst/codecparsers/Makefile gst-libs/gst/vaapi/Makefile pkgconfig/Makefile pkgconfig/gstreamer-vaapi-$GST_MAJORMINOR.pc:\ diff --git a/gst-libs/gst/Makefile.am b/gst-libs/gst/Makefile.am index 494170c..68753be 100644 --- a/gst-libs/gst/Makefile.am +++ b/gst-libs/gst/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = vaapi +SUBDIRS = codecparsers vaapi gen_headers = gstutils_version.h noinst_HEADERS = $(gen_headers) diff --git a/gst-libs/gst/codecparsers/Makefile.am b/gst-libs/gst/codecparsers/Makefile.am new file mode 100644 index 0000000..f6a49a3 --- /dev/null +++ b/gst-libs/gst/codecparsers/Makefile.am @@ -0,0 +1,46 @@ +noinst_LTLIBRARIES = \ + libgstvaapi-codecparsers.la \ + $(NULL) + +libgstvaapi_codecparsers_cflags = \ + -DGST_USE_UNSTABLE_API \ + -I$(top_srcdir)/gst-libs \ + $(GST_BASE_CFLAGS) \ + $(GST_CFLAGS) \ + $(NULL) + +libgstvaapi_codecparsers_libs = \ + $(GST_BASE_LIBS) \ + $(GST_LIBS) \ + $(NULL) + +libgstvaapi_codecparsers_source_c = \ + gstjpegparser.c \ + $(NULL) + +libgstvaapi_codecparsers_source_h = \ + gstjpegparser.h \ + $(NULL) + +libgstvaapi_codecparsers_source_priv_h = \ + $(NULL) + +libgstvaapi_codecparsers_la_SOURCES = \ + $(libgstvaapi_codecparsers_source_c) \ + $(libgstvaapi_codecparsers_source_priv_h) \ + $(NULL) + +libgstvaapi_codecparsers_la_CFLAGS = \ + $(libgstvaapi_codecparsers_cflags) \ + $(NULL) + +libgstvaapi_codecparsers_la_LIBADD = \ + $(libgstvaapi_codecparsers_libs) \ + $(NULL) + +libgstvaapi_codecparsers_la_LDFLAGS = \ + $(GST_ALL_LDFLAGS) \ + $(NULL) + +# Extra clean files so that maintainer-clean removes *everything* +MAINTAINERCLEANFILES = Makefile.in diff --git a/gst-libs/gst/codecparsers/gstjpegparser.c b/gst-libs/gst/codecparsers/gstjpegparser.c new file mode 100644 index 0000000..2eefc89 --- /dev/null +++ b/gst-libs/gst/codecparsers/gstjpegparser.c @@ -0,0 +1,625 @@ +/* + * gstjpegparser.c - JPEG parser for baseline + * + * Copyright (C) 2011 Intel Corporation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 + * of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + */ + +#include "gstjpegparser.h" + +#include +#include + +#ifndef GST_DISABLE_GST_DEBUG + +#define GST_CAT_DEFAULT ensure_debug_category() + +static GstDebugCategory * +ensure_debug_category (void) +{ + static gsize cat_gonce = 0; + + if (g_once_init_enter (&cat_gonce)) { + gsize cat_done; + + cat_done = (gsize) _gst_debug_category_new ("codecparsers_jpeg", 0, + "GstJpegCodecParser"); + + g_once_init_leave (&cat_gonce, cat_done); + } + + return (GstDebugCategory *) cat_gonce; +} +#else + +#define ensure_debug_category() /* NOOP */ + +#endif /* GST_DISABLE_GST_DEBUG */ + +#define DEBUG_PRINT_COMMENT 0 + +#define CHECK_FAILED(exp, ret) G_STMT_START { \ + if (!(exp)) { \ + result = ret; \ + goto wrong_state; \ + } \ + } G_STMT_END + +#define JPEG_RESULT_CHECK(result) G_STMT_START { \ + if ((result) != GST_JPEG_PARSER_OK) { \ + goto wrong_state; \ + } \ + } G_STMT_END + +#define READ_UINT8(reader, val) G_STMT_START { \ + if (!gst_byte_reader_get_uint8 ((reader), &val)) { \ + GST_WARNING ("failed to read uint8"); \ + goto failed; \ + } \ + } G_STMT_END + +#define READ_UINT16(reader, val) G_STMT_START { \ + if (!gst_byte_reader_get_uint16_be ((reader), &val)) { \ + GST_WARNING ("failed to read uint16"); \ + goto failed; \ + } \ + } G_STMT_END + +#define READ_BYTES(reader, buf, length) G_STMT_START { \ + const guint8 *vals; \ + if (!gst_byte_reader_get_data(reader, length, &vals)) { \ + GST_WARNING("failed to read bytes, size:%d", length); \ + goto failed; \ + } \ + memcpy(buf, vals, length); \ + } G_STMT_END + +/* Table B.1: marker code assignments */ +enum JPEG_MARKER +{ + GST_JPEG_SOF0 = 0xC0, /* Frame Profile, Baseline */ + GST_JPEG_SOFF = 0xCF, + GST_JPEG_DHT = 0xC4, /* Define Huffman Table */ + GST_JPEG_DAC = 0xCC, /* Define Arithmetic Coding conditioning */ + GST_JPEG_RST0 = 0xD0, /* Restart with modulo 8 */ + GST_JPEG_RST7 = 0xD7, + GST_JPEG_SOI = 0xD8, /* Start Of Image */ + GST_JPEG_EOI = 0xD9, /* End Of Image */ + GST_JPEG_SOS = 0xDA, /* Start Of Scan */ + GST_JPEG_DQT = 0xDB, /* Define Quantization Table */ + GST_JPEG_DNL = 0xDC, /* Define Num of Lines */ + GST_JPEG_DRI = 0xDD, /* Define Restart Interval */ + GST_JPEG_APP0 = 0xE0, /* Application segments */ + GST_JPEG_APPF = 0xEF, + GST_JPEG_COM = 0xFE, /* Comments */ +}; +static gboolean jpeg_parse_to_next_marker (GstByteReader * reader, + guint8 * marker); + +/* CCITT T.81, Annex K.1 Quantization tables for luminance and chrominance components */ +/* only for 8-bit per sample image*/ +static const guint8 default_quant_luma_zigzag[64] = { + 0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e, + 0x0d, 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x27, + 0x1a, 0x18, 0x16, 0x16, 0x18, 0x31, 0x23, 0x25, + 0x1d, 0x28, 0x3a, 0x33, 0x3d, 0x3c, 0x39, 0x33, + 0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40, 0xa8, + 0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0xb5, 0x57, + 0x5f, 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71, + 0x79, 0x70, 0x64, 0x78, 0x5c, 0x65, 0x67, 0x63, +}; + +static const guint8 default_quant_chroma_zigzag[64] = { + 0x11, 0x12, 0x12, 0x18, 0x15, 0x18, 0x2f, 0x1a, + 0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63 +}; + +/* Table K.3: typical Huffman tables for 8-bit precision luminance and chrominance */ +static const guint8 default_dc_luma_bits[16] = { + 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 +}; + +static const guint8 default_dc_luma_vals[16] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 +}; + +static const guint8 default_dc_chroma_bits[16] = { + 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 +}; + +static const guint8 default_dc_chroma_vals[16] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 +}; + +static const guint8 default_ac_luma_bits[16] = { + 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 125 +}; + +static const guint8 default_ac_luma_vals[256] = { + 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 +}; + +static const guint8 default_ac_chroma_bits[16] = { + 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 119 +}; + +static const guint8 default_ac_chroma_vals[256] = { + 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 +}; + +static gboolean +jpeg_parse_to_next_marker (GstByteReader * reader, guint8 * marker) +{ + guint8 value; + + while (gst_byte_reader_get_uint8 (reader, &value)) { + if (value != 0xFF) + continue; + while (value == 0xFF) { + READ_UINT8 (reader, value); + } + if (value == 0x00) + continue; + *marker = value; + return TRUE; + } + +failed: + return FALSE; +} + +static GstJpegParserResult +jpeg_parse_frame (GstJpegImage * image, const guint8 * buf, guint32 length) +{ + GstByteReader bytes_reader = GST_BYTE_READER_INIT (buf, length); + GstJpegParserResult result = GST_JPEG_PARSER_OK; + guint8 val; + u_int i; + + g_assert (image && buf && length); + READ_UINT8 (&bytes_reader, image->sample_precision); + READ_UINT16 (&bytes_reader, image->height); + READ_UINT16 (&bytes_reader, image->width); + READ_UINT8 (&bytes_reader, image->num_components); + CHECK_FAILED (image->num_components <= GST_JPEG_MAX_COMPONENTS, + GST_JPEG_PARSER_FRAME_ERROR); + for (i = 0; i < image->num_components; i++) { + READ_UINT8 (&bytes_reader, image->components[i].identifier); + READ_UINT8 (&bytes_reader, val); + image->components[i].horizontal_factor = (val >> 4) & 0x0F; + image->components[i].vertical_factor = (val & 0x0F); + READ_UINT8 (&bytes_reader, image->components[i].quant_table_selector); + CHECK_FAILED ((image->components[i].horizontal_factor <= 4 && + image->components[i].vertical_factor <= 4 && + image->components[i].quant_table_selector < 4), + GST_JPEG_PARSER_FRAME_ERROR); + } + return GST_JPEG_PARSER_OK; + +failed: + return GST_JPEG_PARSER_FRAME_ERROR; + +wrong_state: + return result; +} + +static GstJpegParserResult +jpeg_parse_scan (GstJpegImage * image, const guint8 * buf, guint32 length) +{ + GstByteReader bytes_reader = GST_BYTE_READER_INIT (buf, length); + GstJpegParserResult result = GST_JPEG_PARSER_OK; + guint8 val; + u_int i; + + g_assert (image && buf && length); + READ_UINT8 (&bytes_reader, image->current_scan.num_components); + CHECK_FAILED (image->current_scan.num_components <= GST_JPEG_MAX_COMPONENTS, + GST_JPEG_PARSER_SCAN_ERROR); + for (i = 0; i < image->current_scan.num_components; i++) { + READ_UINT8 (&bytes_reader, + image->current_scan.components[i].component_selector); + READ_UINT8 (&bytes_reader, val); + image->current_scan.components[i].dc_selector = (val >> 4) & 0x0F; + image->current_scan.components[i].ac_selector = val & 0x0F; + g_assert (image->current_scan.components[i].dc_selector < 4 && + image->current_scan.components[i].ac_selector < 4); + CHECK_FAILED ((image->current_scan.components[i].dc_selector < 4 && + image->current_scan.components[i].ac_selector < 4), + GST_JPEG_PARSER_SCAN_ERROR); + } + return GST_JPEG_PARSER_OK; + +failed: + return GST_JPEG_PARSER_SCAN_ERROR; + +wrong_state: + return result; +} + +static GstJpegParserResult +jpeg_parse_huffman_tables (GstJpegImage * image, const guint8 * buf, + guint32 length) +{ + GstByteReader bytes_reader = GST_BYTE_READER_INIT (buf, length); + GstJpegParserResult result = GST_JPEG_PARSER_OK; + GstJpegHuffmanTable *huf_table; + guint8 tmp_val; + gboolean is_dc; + guint8 table_index; + guint32 value_count; + u_int i; + + g_assert (image && buf && length); + while (gst_byte_reader_get_remaining (&bytes_reader)) { + READ_UINT8 (&bytes_reader, tmp_val); + is_dc = !((tmp_val >> 4) & 0x0F); + table_index = (tmp_val & 0x0F); + CHECK_FAILED (table_index < GST_JPEG_MAX_COMPONENTS, + GST_JPEG_PARSER_HUFFMAN_ERROR); + if (is_dc) { + huf_table = &image->dc_huf_tables[table_index]; + } else { + huf_table = &image->ac_huf_tables[table_index]; + } + READ_BYTES (&bytes_reader, huf_table->huf_bits, 16); + value_count = 0; + for (i = 0; i < 16; i++) + value_count += huf_table->huf_bits[i]; + READ_BYTES (&bytes_reader, huf_table->huf_values, value_count); + } + return GST_JPEG_PARSER_OK; + +failed: + return GST_JPEG_PARSER_HUFFMAN_ERROR; + +wrong_state: + return result; +} + +static GstJpegParserResult +jpeg_parse_quantization_table (GstJpegImage * image, const guint8 * buf, + guint32 length) +{ + GstByteReader bytes_reader = GST_BYTE_READER_INIT (buf, length); + GstJpegParserResult result = GST_JPEG_PARSER_OK; + GstJpegQuantTable *quant_table; + guint8 val; + guint8 table_index; + + g_assert (image && buf && length); + while (gst_byte_reader_get_remaining (&bytes_reader)) { + READ_UINT8 (&bytes_reader, val); + table_index = (val & 0x0f); + CHECK_FAILED (table_index < GST_JPEG_MAX_COMPONENTS, + GST_JPEG_PARSER_QUANT_ERROR); + quant_table = &(image->quant_tables[table_index]); + quant_table->quant_precision = ((val >> 4) & 0x0f); + if (!quant_table->quant_precision) { /* 8-bit values */ + READ_BYTES (&bytes_reader, quant_table->quant_table, 64); + } else { /* 16-bit values */ + READ_BYTES (&bytes_reader, quant_table->quant_table, 128); + } + } + return GST_JPEG_PARSER_OK; + +failed: + return GST_JPEG_PARSER_QUANT_ERROR; + +wrong_state: + return result; +} + +static GstJpegParserResult +jpeg_parse_restart_interval (GstJpegImage * image, const guint8 * buf, + guint32 length) +{ + GstByteReader bytes_reader = GST_BYTE_READER_INIT (buf, length); + guint16 interval; + + g_assert (image && buf && length); + READ_UINT16 (&bytes_reader, interval); + image->restart_interval = interval; + return GST_JPEG_PARSER_OK; + +failed: + return GST_JPEG_PARSER_QUANT_ERROR; +} + +static GstJpegParserResult +jpeg_parse_comments (GstJpegImage * image, const guint8 * buf, guint32 length) +{ + g_assert (image); +#if DEBUG_PRINT_COMMENT + char *comments = (char *) g_malloc0 (length + 1); + memcpy (comments, buf, length); + comments[length] = '\0'; + GST_DEBUG ("jpeg comments:%s\n", comments); + g_free (comments); +#endif + return GST_JPEG_PARSER_OK; +} + +static void +jpeg_set_default_huffman_tables (GstJpegImage * image) +{ + /* luma */ + memcpy (image->dc_huf_tables[0].huf_bits, default_dc_luma_bits, 16); + memcpy (image->dc_huf_tables[0].huf_values, default_dc_luma_vals, 16); + memcpy (image->ac_huf_tables[0].huf_bits, default_ac_luma_bits, 16); + memcpy (image->ac_huf_tables[0].huf_values, default_ac_luma_vals, 256); + + /* chroma */ + memcpy (image->dc_huf_tables[1].huf_bits, default_dc_chroma_bits, 16); + memcpy (image->dc_huf_tables[1].huf_values, default_dc_chroma_vals, 16); + memcpy (image->ac_huf_tables[1].huf_bits, default_ac_chroma_bits, 16); + memcpy (image->ac_huf_tables[1].huf_values, default_ac_chroma_vals, 256); +} + +static void +jpeg_set_default_quantization_tables (GstJpegImage * image) +{ + /* luma */ + image->quant_tables[0].quant_precision = 0; + memcpy (image->quant_tables[0].quant_table, default_quant_luma_zigzag, 64); + + /* chroma */ + image->quant_tables[1].quant_precision = 0; + memcpy (image->quant_tables[1].quant_table, default_quant_chroma_zigzag, 64); +} + +GstJpegParserResult +gst_jpeg_parse_image (GstJpegImage * image, const guint8 * buf, guint32 size) +{ + GstByteReader bytes_reader; + GstJpegParserResult result = GST_JPEG_PARSER_OK; + guint8 marker; + guint16 header_length; + const guint8 *header_buf; + gboolean first_scan_reached = FALSE; + gboolean has_huffman_tables = FALSE, has_quant_tables = FALSE; + + g_assert (image && buf && size); + memset (image, 0, sizeof (GstJpegImage)); + gst_byte_reader_init (&bytes_reader, buf, size); + + /* read SOI */ + CHECK_FAILED (jpeg_parse_to_next_marker (&bytes_reader, &marker) + && GST_JPEG_SOI == marker, GST_JPEG_PARSER_NOT_JPEG); + image->jpeg_begin = buf + gst_byte_reader_get_pos (&bytes_reader) - 2; + image->jpeg_end = buf + size; + + while (jpeg_parse_to_next_marker (&bytes_reader, &marker)) { + if (marker >= GST_JPEG_SOF0 && marker <= GST_JPEG_SOFF + && marker != GST_JPEG_DHT && marker != GST_JPEG_DAC) { + g_assert (marker == GST_JPEG_SOF0); + if (marker > GST_JPEG_SOF0) { + GST_WARNING ("codecparser_jpeg cannot support this image type:%02x", + marker); + result = GST_JPEG_PARSER_UNSUPPORTED_PROFILE; + goto wrong_state; + } + image->frame_type = marker; + marker = GST_JPEG_SOF0; + } + if (marker == GST_JPEG_EOI) { + image->jpeg_end = buf + gst_byte_reader_get_pos (&bytes_reader); + break; + } else { + READ_UINT16 (&bytes_reader, header_length); + CHECK_FAILED ((header_length >= 2 && + gst_byte_reader_get_remaining (&bytes_reader) + 2 >= + header_length), GST_JPEG_PARSER_BROKEN_DATA); + header_length -= 2; + header_buf = buf + gst_byte_reader_get_pos (&bytes_reader); + } + + switch (marker) { + case GST_JPEG_SOF0: + JPEG_RESULT_CHECK (result = + jpeg_parse_frame (image, header_buf, header_length)); + break; + case GST_JPEG_DHT: + JPEG_RESULT_CHECK (result = + jpeg_parse_huffman_tables (image, header_buf, header_length)); + has_huffman_tables = TRUE; + break; + case GST_JPEG_SOS: + JPEG_RESULT_CHECK (result = + jpeg_parse_scan (image, header_buf, header_length)); + first_scan_reached = TRUE; /* read to first scan stop */ + break; + case GST_JPEG_DQT: + JPEG_RESULT_CHECK (result = + jpeg_parse_quantization_table (image, header_buf, header_length)); + has_quant_tables = TRUE; + break; + case GST_JPEG_DRI: + JPEG_RESULT_CHECK (result = + jpeg_parse_restart_interval (image, header_buf, header_length)); + break; + case GST_JPEG_COM: + JPEG_RESULT_CHECK (result = + jpeg_parse_comments (image, header_buf, header_length)); + break; + case GST_JPEG_DAC: + case GST_JPEG_DNL: + default: + /* Unsupported markers, skip them */ + break; + } + gst_byte_reader_skip (&bytes_reader, header_length); + if (first_scan_reached) + break; + } + + image->jpeg_pos = buf + gst_byte_reader_get_pos (&bytes_reader); + if (!first_scan_reached) { + GST_WARNING ("jpeg no scan was found\n"); + return GST_JPEG_PARSER_NO_SCAN_FOUND; + } + if (!has_huffman_tables) + jpeg_set_default_huffman_tables (image); + if (!has_quant_tables) + jpeg_set_default_quantization_tables (image); + + return GST_JPEG_PARSER_OK; + +failed: + GST_WARNING ("jpeg parsing read broken data"); + return GST_JPEG_PARSER_BROKEN_DATA; + +wrong_state: + return result; + +} + +GstJpegParserResult +gst_jpeg_parse_next_scan (GstJpegImage * image) +{ + GstByteReader bytes_reader; + GstJpegParserResult result = GST_JPEG_PARSER_OK; + guint8 marker; + guint16 header_length; + const guint8 *header_buf; + gboolean scan_found = FALSE; + + g_assert (image->jpeg_begin && image->jpeg_end && image->jpeg_pos); + if (!image->jpeg_begin || !image->jpeg_end || !image->jpeg_pos + || image->jpeg_pos >= image->jpeg_end) + return GST_JPEG_PARSER_NO_SCAN_FOUND; + gst_byte_reader_init (&bytes_reader, image->jpeg_pos, + image->jpeg_end - image->jpeg_pos); + + while (jpeg_parse_to_next_marker (&bytes_reader, &marker)) { + if (marker == GST_JPEG_EOI) { + image->jpeg_end = + image->jpeg_pos + gst_byte_reader_get_pos (&bytes_reader); + break; + } + if (marker != GST_JPEG_SOS) + continue; + READ_UINT16 (&bytes_reader, header_length); + CHECK_FAILED ((header_length >= 2 && + gst_byte_reader_get_remaining (&bytes_reader) + 2 >= header_length), + GST_JPEG_PARSER_SCAN_ERROR); + header_length -= 2; + header_buf = image->jpeg_pos + gst_byte_reader_get_pos (&bytes_reader); + JPEG_RESULT_CHECK (result = + jpeg_parse_scan (image, header_buf, header_length)); + scan_found = TRUE; + break; + } + image->jpeg_pos += gst_byte_reader_get_pos (&bytes_reader); + if (!scan_found) + return GST_JPEG_PARSER_NO_SCAN_FOUND; + + return GST_JPEG_PARSER_OK; +failed: + GST_WARNING ("jpeg parsing read broken data"); + return GST_JPEG_PARSER_BROKEN_DATA; + +wrong_state: + return result; +} + +guint32 +gst_jpeg_skip_to_scan_end (GstJpegImage * image) +{ + GstByteReader bytes_reader; + guint8 marker; + guint32 skip_bytes = 0; + gboolean next_marker_found = FALSE; + + g_assert (image->jpeg_begin && image->jpeg_end && image->jpeg_pos); + if (!image->jpeg_begin || !image->jpeg_end || !image->jpeg_pos + || image->jpeg_pos >= image->jpeg_end) + return 0; + gst_byte_reader_init (&bytes_reader, image->jpeg_pos, + image->jpeg_end - image->jpeg_pos); + while (jpeg_parse_to_next_marker (&bytes_reader, &marker)) { + if (marker >= GST_JPEG_RST0 && marker <= GST_JPEG_RST7) + continue; + next_marker_found = TRUE; + break; + } + if (next_marker_found) + skip_bytes = gst_byte_reader_get_pos (&bytes_reader) - 2; + else + skip_bytes = gst_byte_reader_get_pos (&bytes_reader); + image->jpeg_pos += skip_bytes; + return skip_bytes; +} + +const guint8 * +gst_jpeg_get_position (GstJpegImage * image) +{ + return image->jpeg_pos; +} + +guint32 +gst_jpeg_get_left_size (GstJpegImage * image) +{ + if (image->jpeg_end > image->jpeg_pos) + return image->jpeg_end - image->jpeg_pos; + return 0; +} diff --git a/gst-libs/gst/codecparsers/gstjpegparser.h b/gst-libs/gst/codecparsers/gstjpegparser.h new file mode 100644 index 0000000..43bedb1 --- /dev/null +++ b/gst-libs/gst/codecparsers/gstjpegparser.h @@ -0,0 +1,120 @@ +/* + * gstjpegparser.h - JPEG parser for baseline + * + * Copyright (C) 2011 Intel Corporation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 + * of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + */ + +#ifndef GST_JPEG_PARSER_H +#define GST_JPEG_PARSER_H + +#ifndef GST_USE_UNSTABLE_API +# warning "The JPEG parsing library is unstable API and may change in future." +# warning "You can define GST_USE_UNSTABLE_API to avoid this warning." +#endif + +#include + +G_BEGIN_DECLS + +#define GST_JPEG_MAX_COMPONENTS 4 +#define GST_JPEG_QUANT_ELEMENTS_SIZE 64 + +typedef struct _GstJpegQuantTable GstJpegQuantTable; +typedef struct _GstJpegHuffmanTable GstJpegHuffmanTable; +typedef struct _GstJpegScan GstJpegScan; +typedef struct _GstJpegImage GstJpegImage; + +typedef enum +{ + GST_JPEG_PARSER_OK, + GST_JPEG_PARSER_UNSUPPORTED_PROFILE, + GST_JPEG_PARSER_NOT_JPEG, + GST_JPEG_PARSER_BROKEN_DATA, + GST_JPEG_PARSER_NO_SCAN_FOUND, + GST_JPEG_PARSER_FRAME_ERROR, + GST_JPEG_PARSER_SCAN_ERROR, + GST_JPEG_PARSER_HUFFMAN_ERROR, + GST_JPEG_PARSER_QUANT_ERROR, + GST_JPEG_PARSER_DRI_ERROR, +} GstJpegParserResult; + +struct _GstJpegQuantTable +{ + guint8 quant_precision; /* 4 bits; Value 0 indicates 8bit Q values; value 1 indicates 16bit Q values */ + guint8 quant_table[GST_JPEG_QUANT_ELEMENTS_SIZE * 2]; /* 64*8(or 64*16) bits, zigzag mode */ +}; + +struct _GstJpegHuffmanTable +{ + guint8 huf_bits[16]; + guint8 huf_values[256]; +}; + +struct _GstJpegScan +{ + guint8 num_components; /* 8 bits */ + struct + { + guint8 component_selector; /* 8 bits */ + guint8 dc_selector; /* 4 bits */ + guint8 ac_selector; /* 4 bits */ + } components[GST_JPEG_MAX_COMPONENTS]; +}; + +struct _GstJpegImage +{ + guint32 frame_type; + guint8 sample_precision; /* 8 bits */ + guint16 height; /* 16 bits */ + guint16 width; /* 16 bits */ + guint8 num_components; /* 8 bits */ + struct + { + guint8 identifier; /* 8 bits */ + guint8 horizontal_factor; /* 4 bits */ + guint8 vertical_factor; /* 4 bits */ + guint8 quant_table_selector; /* 8 bits */ + } components[GST_JPEG_MAX_COMPONENTS]; + + GstJpegQuantTable quant_tables[GST_JPEG_MAX_COMPONENTS]; + GstJpegHuffmanTable dc_huf_tables[GST_JPEG_MAX_COMPONENTS]; + GstJpegHuffmanTable ac_huf_tables[GST_JPEG_MAX_COMPONENTS]; + guint32 restart_interval; /* DRI */ + + GstJpegScan current_scan; + + const guint8 *jpeg_pos; + const guint8 *jpeg_begin; + const guint8 *jpeg_end; +}; + +/* parse to first scan and stop there */ +GstJpegParserResult gst_jpeg_parse_image (GstJpegImage * image, + const guint8 * buf, + guint32 size); + +GstJpegParserResult gst_jpeg_parse_next_scan (GstJpegImage * image); + +/* return skip bytes length */ +guint32 gst_jpeg_skip_to_scan_end (GstJpegImage * image); +const guint8 * gst_jpeg_get_position (GstJpegImage * image); +guint32 gst_jpeg_get_left_size (GstJpegImage * image); + +G_END_DECLS + +#endif /* GST_JPEG_PARSER_H */ diff --git a/gst-libs/gst/vaapi/Makefile.am b/gst-libs/gst/vaapi/Makefile.am index e965214..d4e3397 100644 --- a/gst-libs/gst/vaapi/Makefile.am +++ b/gst-libs/gst/vaapi/Makefile.am @@ -170,6 +170,11 @@ libgstvaapi_cflags += $(GST_CODEC_PARSERS_CFLAGS) libgstvaapi_libs += $(GST_CODEC_PARSERS_LIBS) endif +if USE_LOCAL_CODEC_PARSERS +libgstvaapi_libs += \ + $(top_builddir)/gst-libs/gst/codecparsers/libgstvaapi-codecparsers.la +endif + libgstvaapi_@GST_MAJORMINOR@_la_SOURCES = \ $(libgstvaapi_source_c) \ $(libgstvaapi_source_priv_h) \