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Code Issues Releases Activity

libopenjpeg: K&R formatting cosmetics

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This commit is contained in:
Luca Barbato 2012-07-19 22:22:08 +02:00 committed by Diego Biurrun
parent 731fa116b4
commit 51a5ddfa01
2 changed files with 97 additions and 86 deletions
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56
libavcodec/libopenjpegdec.c
View File

@ -24,14 +24,15 @@
* JPEG 2000 decoder using libopenjpeg
*/
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "libavutil/intreadwrite.h"
#include "thread.h"
#define OPJ_STATIC
#include <openjpeg.h>
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "thread.h"
#define JP2_SIG_TYPE 0x6A502020
#define JP2_SIG_VALUE 0x0D0A870A
@ -94,8 +95,8 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
(AV_RB32(buf + 8) == JP2_SIG_VALUE)) {
dec = opj_create_decompress(CODEC_JP2);
} else {
// If the AVPacket contains a jp2c box, then skip to
// the starting byte of the codestream.
/* If the AVPacket contains a jp2c box, then skip to
* the starting byte of the codestream. */
if (AV_RB32(buf + 4) == AV_RB32("jp2c"))
buf += 8;
dec = opj_create_decompress(CODEC_J2K);
@ -113,20 +114,24 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
// Tie decoder with decoding parameters
opj_setup_decoder(dec, &ctx->dec_params);
stream = opj_cio_open((opj_common_ptr)dec, buf, buf_size);
if (!stream) {
av_log(avctx, AV_LOG_ERROR, "Codestream could not be opened for reading.\n");
av_log(avctx, AV_LOG_ERROR,
"Codestream could not be opened for reading.\n");
opj_destroy_decompress(dec);
return -1;
}
// Decode the header only
// Decode the header only.
image = opj_decode_with_info(dec, stream, NULL);
opj_cio_close(stream);
if (!image) {
av_log(avctx, AV_LOG_ERROR, "Error decoding codestream.\n");
opj_destroy_decompress(dec);
return -1;
}
width = image->x1 - image->x0;
height = image->y1 - image->y0;
@ -136,26 +141,33 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
}
if (av_image_check_size(width, height, 0, avctx) < 0) {
av_log(avctx, AV_LOG_ERROR, "%dx%d dimension invalid.\n", width, height);
av_log(avctx, AV_LOG_ERROR,
"%dx%d dimension invalid.\n", width, height);
goto done;
}
avcodec_set_dimensions(avctx, width, height);
switch(image->numcomps)
{
case 1: avctx->pix_fmt = PIX_FMT_GRAY8;
switch (image->numcomps) {
case 1:
avctx->pix_fmt = PIX_FMT_GRAY8;
break;
case 3: if(check_image_attributes(image)) {
case 3:
if (check_image_attributes(image)) {
avctx->pix_fmt = PIX_FMT_RGB24;
} else {
avctx->pix_fmt = PIX_FMT_GRAY8;
av_log(avctx, AV_LOG_ERROR, "Only first component will be used.\n");
av_log(avctx, AV_LOG_ERROR,
"Only first component will be used.\n");
}
break;
case 4: has_alpha = 1;
case 4:
has_alpha = 1;
avctx->pix_fmt = PIX_FMT_RGBA;
break;
default: av_log(avctx, AV_LOG_ERROR, "%d components unsupported.\n", image->numcomps);
default:
av_log(avctx, AV_LOG_ERROR, "%d components unsupported.\n",
image->numcomps);
goto done;
}
@ -170,22 +182,22 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
ff_thread_finish_setup(avctx);
ctx->dec_params.cp_limit_decoding = NO_LIMITATION;
// Tie decoder with decoding parameters
// Tie decoder with decoding parameters.
opj_setup_decoder(dec, &ctx->dec_params);
stream = opj_cio_open((opj_common_ptr)dec, buf, buf_size);
if (!stream) {
av_log(avctx, AV_LOG_ERROR, "Codestream could not be opened for reading.\n");
av_log(avctx, AV_LOG_ERROR,
"Codestream could not be opened for reading.\n");
opj_destroy_decompress(dec);
return -1;
}
// Decode the codestream
// Decode the codestream.
image = opj_decode_with_info(dec, stream, NULL);
opj_cio_close(stream);
for(x = 0; x < image->numcomps; x++) {
for (x = 0; x < image->numcomps; x++)
adjust[x] = FFMAX(image->comps[x].prec - 8, 0);
}
for (y = 0; y < avctx->height; y++) {
index = y * avctx->width;

23
libavcodec/libopenjpegenc.c
View File

@ -27,9 +27,9 @@
#define OPJ_STATIC
#include <openjpeg.h>
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
@ -76,13 +76,14 @@ static opj_image_t *libopenjpeg_create_image(AVCodecContext *avctx,
int sub_dy[4];
int numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
sub_dx[0] = sub_dx[3] = 1;
sub_dy[0] = sub_dy[3] = 1;
sub_dx[1] = sub_dx[2] =
1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;
sub_dy[1] = sub_dy[2] =
1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;
sub_dx[0] =
sub_dx[3] = 1;
sub_dy[0] =
sub_dy[3] = 1;
sub_dx[1] =
sub_dx[2] = 1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;
sub_dy[1] =
sub_dy[2] = 1 << av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;
switch (avctx->pix_fmt) {
case PIX_FMT_GRAY8:
@ -251,13 +252,12 @@ static void libopenjpeg_copy_unpacked8(AVCodecContext *avctx,
for (y = 0; y < height; ++y) {
image_index = y * width;
frame_index = y * frame->linesize[compno];
for (x = 0; x < width; ++x) {
for (x = 0; x < width; ++x)
image->comps[compno].data[image_index++] =
frame->data[compno][frame_index++];
}
}
}
}
static void libopenjpeg_copy_unpacked16(AVCodecContext *avctx,
const AVFrame *frame,
@ -277,13 +277,12 @@ static void libopenjpeg_copy_unpacked16(AVCodecContext *avctx,
for (y = 0; y < height; ++y) {
image_index = y * width;
frame_index = y * (frame->linesize[compno] / 2);
for (x = 0; x < width; ++x) {
for (x = 0; x < width; ++x)
image->comps[compno].data[image_index++] =
frame_ptr[frame_index++];
}
}
}
}
static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)