[FFmpeg-cvslog] r20083 - trunk/libavcodec/libx264.c
diego
subversion
Tue Sep 29 20:03:30 CEST 2009
Author: diego
Date: Tue Sep 29 20:03:30 2009
New Revision: 20083
Log:
cosmetics: K&R coding style, prettyprinting
Modified:
trunk/libavcodec/libx264.c
Modified: trunk/libavcodec/libx264.c
==============================================================================
--- trunk/libavcodec/libx264.c Tue Sep 29 19:34:36 2009 (r20082)
+++ trunk/libavcodec/libx264.c Tue Sep 29 20:03:30 2009 (r20083)
@@ -27,16 +27,15 @@
#include <string.h>
typedef struct X264Context {
- x264_param_t params;
- x264_t *enc;
- x264_picture_t pic;
- uint8_t *sei;
- int sei_size;
- AVFrame out_pic;
+ x264_param_t params;
+ x264_t *enc;
+ x264_picture_t pic;
+ uint8_t *sei;
+ int sei_size;
+ AVFrame out_pic;
} X264Context;
-static void
-X264_log(void *p, int level, const char *fmt, va_list args)
+static void X264_log(void *p, int level, const char *fmt, va_list args)
{
static const int level_map[] = {
[X264_LOG_ERROR] = AV_LOG_ERROR,
@@ -45,31 +44,32 @@ X264_log(void *p, int level, const char
[X264_LOG_DEBUG] = AV_LOG_DEBUG
};
- if(level < 0 || level > X264_LOG_DEBUG)
+ if (level < 0 || level > X264_LOG_DEBUG)
return;
av_vlog(p, level_map[level], fmt, args);
}
-static int encode_nals(AVCodecContext *ctx, uint8_t *buf, int size, x264_nal_t *nals, int nnal, int skip_sei)
+static int encode_nals(AVCodecContext *ctx, uint8_t *buf, int size,
+ x264_nal_t *nals, int nnal, int skip_sei)
{
X264Context *x4 = ctx->priv_data;
uint8_t *p = buf;
int i;
/* Write the SEI as part of the first frame. */
- if(x4->sei_size > 0 && nnal > 0){
+ if (x4->sei_size > 0 && nnal > 0) {
memcpy(p, x4->sei, x4->sei_size);
p += x4->sei_size;
x4->sei_size = 0;
}
- for(i = 0; i < nnal; i++){
+ for (i = 0; i < nnal; i++){
/* Don't put the SEI in extradata. */
- if(skip_sei && nals[i].i_type == NAL_SEI){
+ if (skip_sei && nals[i].i_type == NAL_SEI) {
x4->sei_size = nals[i].i_payload;
- x4->sei = av_malloc(x4->sei_size);
+ x4->sei = av_malloc(x4->sei_size);
memcpy(x4->sei, nals[i].p_payload, nals[i].i_payload);
continue;
}
@@ -80,8 +80,8 @@ static int encode_nals(AVCodecContext *c
return p - buf;
}
-static int
-X264_frame(AVCodecContext *ctx, uint8_t *buf, int bufsize, void *data)
+static int X264_frame(AVCodecContext *ctx, uint8_t *buf,
+ int bufsize, void *data)
{
X264Context *x4 = ctx->priv_data;
AVFrame *frame = data;
@@ -89,30 +89,30 @@ X264_frame(AVCodecContext *ctx, uint8_t
int nnal, i;
x264_picture_t pic_out;
- x4->pic.img.i_csp = X264_CSP_I420;
+ x4->pic.img.i_csp = X264_CSP_I420;
x4->pic.img.i_plane = 3;
- if(frame){
- for(i = 0; i < 3; i++){
- x4->pic.img.plane[i] = frame->data[i];
+ if (frame) {
+ for (i = 0; i < 3; i++) {
+ x4->pic.img.plane[i] = frame->data[i];
x4->pic.img.i_stride[i] = frame->linesize[i];
}
- x4->pic.i_pts = frame->pts;
+ x4->pic.i_pts = frame->pts;
x4->pic.i_type = X264_TYPE_AUTO;
}
- if(x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
+ if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
return -1;
bufsize = encode_nals(ctx, buf, bufsize, nal, nnal, 0);
- if(bufsize < 0)
+ if (bufsize < 0)
return -1;
/* FIXME: dts */
x4->out_pic.pts = pic_out.i_pts;
- switch(pic_out.i_type){
+ switch (pic_out.i_type) {
case X264_TYPE_IDR:
case X264_TYPE_I:
x4->out_pic.pict_type = FF_I_TYPE;
@@ -127,174 +127,173 @@ X264_frame(AVCodecContext *ctx, uint8_t
}
x4->out_pic.key_frame = pic_out.i_type == X264_TYPE_IDR;
- x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
+ x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
return bufsize;
}
-static av_cold int
-X264_close(AVCodecContext *avctx)
+static av_cold int X264_close(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
av_freep(&avctx->extradata);
av_free(x4->sei);
- if(x4->enc)
+ if (x4->enc)
x264_encoder_close(x4->enc);
return 0;
}
-static av_cold int
-X264_init(AVCodecContext *avctx)
+static av_cold int X264_init(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
x4->sei_size = 0;
x264_param_default(&x4->params);
- x4->params.pf_log = X264_log;
- x4->params.p_log_private = avctx;
+ x4->params.pf_log = X264_log;
+ x4->params.p_log_private = avctx;
- x4->params.i_keyint_max = avctx->gop_size;
- x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
+ x4->params.i_keyint_max = avctx->gop_size;
+ x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
- x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
- x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
- if(avctx->flags & CODEC_FLAG_PASS2) x4->params.rc.b_stat_read = 1;
- else{
- if(avctx->crf){
- x4->params.rc.i_rc_method = X264_RC_CRF;
+ x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
+ x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
+ if (avctx->flags & CODEC_FLAG_PASS2) {
+ x4->params.rc.b_stat_read = 1;
+ } else {
+ if (avctx->crf) {
+ x4->params.rc.i_rc_method = X264_RC_CRF;
x4->params.rc.f_rf_constant = avctx->crf;
- }else if(avctx->cqp > -1){
- x4->params.rc.i_rc_method = X264_RC_CQP;
+ } else if (avctx->cqp > -1) {
+ x4->params.rc.i_rc_method = X264_RC_CQP;
x4->params.rc.i_qp_constant = avctx->cqp;
}
}
// if neither crf nor cqp modes are selected we have to enable the RC
// we do it this way because we cannot check if the bitrate has been set
- if(!(avctx->crf || (avctx->cqp > -1))) x4->params.rc.i_rc_method = X264_RC_ABR;
+ if (!(avctx->crf || (avctx->cqp > -1)))
+ x4->params.rc.i_rc_method = X264_RC_ABR;
- x4->params.i_bframe = avctx->max_b_frames;
- x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
+ x4->params.i_bframe = avctx->max_b_frames;
+ x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
- x4->params.i_bframe_bias = avctx->bframebias;
- x4->params.b_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID;
- avctx->has_b_frames= avctx->flags2 & CODEC_FLAG2_BPYRAMID ? 2 : !!avctx->max_b_frames;
+ x4->params.i_bframe_bias = avctx->bframebias;
+ x4->params.b_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID;
+ avctx->has_b_frames = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? 2 : !!avctx->max_b_frames;
x4->params.i_keyint_min = avctx->keyint_min;
- if(x4->params.i_keyint_min > x4->params.i_keyint_max)
+ if (x4->params.i_keyint_min > x4->params.i_keyint_max)
x4->params.i_keyint_min = x4->params.i_keyint_max;
- x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
+ x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
- x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
+ x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
x4->params.i_deblocking_filter_alphac0 = avctx->deblockalpha;
- x4->params.i_deblocking_filter_beta = avctx->deblockbeta;
+ x4->params.i_deblocking_filter_beta = avctx->deblockbeta;
- x4->params.rc.i_qp_min = avctx->qmin;
- x4->params.rc.i_qp_max = avctx->qmax;
- x4->params.rc.i_qp_step = avctx->max_qdiff;
+ x4->params.rc.i_qp_min = avctx->qmin;
+ x4->params.rc.i_qp_max = avctx->qmax;
+ x4->params.rc.i_qp_step = avctx->max_qdiff;
- x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
- x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
+ x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
+ x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
x4->params.rc.f_complexity_blur = avctx->complexityblur;
- x4->params.i_frame_reference = avctx->refs;
+ x4->params.i_frame_reference = avctx->refs;
- x4->params.i_width = avctx->width;
- x4->params.i_height = avctx->height;
- x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
- x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
- x4->params.i_fps_num = avctx->time_base.den;
- x4->params.i_fps_den = avctx->time_base.num;
+ x4->params.i_width = avctx->width;
+ x4->params.i_height = avctx->height;
+ x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
+ x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
+ x4->params.i_fps_num = avctx->time_base.den;
+ x4->params.i_fps_den = avctx->time_base.num;
- x4->params.analyse.inter = 0;
- if(avctx->partitions){
- if(avctx->partitions & X264_PART_I4X4)
+ x4->params.analyse.inter = 0;
+ if (avctx->partitions) {
+ if (avctx->partitions & X264_PART_I4X4)
x4->params.analyse.inter |= X264_ANALYSE_I4x4;
- if(avctx->partitions & X264_PART_I8X8)
+ if (avctx->partitions & X264_PART_I8X8)
x4->params.analyse.inter |= X264_ANALYSE_I8x8;
- if(avctx->partitions & X264_PART_P8X8)
+ if (avctx->partitions & X264_PART_P8X8)
x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16;
- if(avctx->partitions & X264_PART_P4X4)
+ if (avctx->partitions & X264_PART_P4X4)
x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8;
- if(avctx->partitions & X264_PART_B8X8)
+ if (avctx->partitions & X264_PART_B8X8)
x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16;
}
- x4->params.analyse.i_direct_mv_pred = avctx->directpred;
+ x4->params.analyse.i_direct_mv_pred = avctx->directpred;
x4->params.analyse.b_weighted_bipred = avctx->flags2 & CODEC_FLAG2_WPRED;
- if(avctx->me_method == ME_EPZS)
+ if (avctx->me_method == ME_EPZS)
x4->params.analyse.i_me_method = X264_ME_DIA;
- else if(avctx->me_method == ME_HEX)
+ else if (avctx->me_method == ME_HEX)
x4->params.analyse.i_me_method = X264_ME_HEX;
- else if(avctx->me_method == ME_UMH)
+ else if (avctx->me_method == ME_UMH)
x4->params.analyse.i_me_method = X264_ME_UMH;
- else if(avctx->me_method == ME_FULL)
+ else if (avctx->me_method == ME_FULL)
x4->params.analyse.i_me_method = X264_ME_ESA;
- else if(avctx->me_method == ME_TESA)
+ else if (avctx->me_method == ME_TESA)
x4->params.analyse.i_me_method = X264_ME_TESA;
else x4->params.analyse.i_me_method = X264_ME_HEX;
- x4->params.analyse.i_me_range = avctx->me_range;
- x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
+ x4->params.analyse.i_me_range = avctx->me_range;
+ x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
- x4->params.analyse.b_mixed_references =
- avctx->flags2 & CODEC_FLAG2_MIXED_REFS;
- x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
- x4->params.analyse.b_transform_8x8 = avctx->flags2 & CODEC_FLAG2_8X8DCT;
- x4->params.analyse.b_fast_pskip = avctx->flags2 & CODEC_FLAG2_FASTPSKIP;
+ x4->params.analyse.b_mixed_references = avctx->flags2 & CODEC_FLAG2_MIXED_REFS;
+ x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
+ x4->params.analyse.b_transform_8x8 = avctx->flags2 & CODEC_FLAG2_8X8DCT;
+ x4->params.analyse.b_fast_pskip = avctx->flags2 & CODEC_FLAG2_FASTPSKIP;
- x4->params.analyse.i_trellis = avctx->trellis;
- x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
+ x4->params.analyse.i_trellis = avctx->trellis;
+ x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
- if(avctx->level > 0) x4->params.i_level_idc = avctx->level;
+ if (avctx->level > 0)
+ x4->params.i_level_idc = avctx->level;
x4->params.rc.f_rate_tolerance =
(float)avctx->bit_rate_tolerance/avctx->bit_rate;
- if((avctx->rc_buffer_size != 0) &&
- (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)){
+ if ((avctx->rc_buffer_size != 0) &&
+ (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
x4->params.rc.f_vbv_buffer_init =
- (float)avctx->rc_initial_buffer_occupancy/avctx->rc_buffer_size;
- }
- else x4->params.rc.f_vbv_buffer_init = 0.9;
+ (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
+ } else
+ x4->params.rc.f_vbv_buffer_init = 0.9;
- x4->params.rc.f_ip_factor = 1/fabs(avctx->i_quant_factor);
- x4->params.rc.f_pb_factor = avctx->b_quant_factor;
+ x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
+ x4->params.rc.f_pb_factor = avctx->b_quant_factor;
x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
- x4->params.i_log_level = X264_LOG_DEBUG;
+ x4->params.i_log_level = X264_LOG_DEBUG;
- x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
+ x4->params.b_aud = avctx->flags2 & CODEC_FLAG2_AUD;
- x4->params.i_threads = avctx->thread_count;
+ x4->params.i_threads = avctx->thread_count;
- x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
+ x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
- if(avctx->flags & CODEC_FLAG_GLOBAL_HEADER){
+ if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
x4->params.b_repeat_headers = 0;
- }
x4->enc = x264_encoder_open(&x4->params);
- if(!x4->enc)
+ if (!x4->enc)
return -1;
avctx->coded_frame = &x4->out_pic;
- if(avctx->flags & CODEC_FLAG_GLOBAL_HEADER){
+ if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
x264_nal_t *nal;
int nnal, s;
s = x264_encoder_headers(x4->enc, &nal, &nnal);
- avctx->extradata = av_malloc(s);
+ avctx->extradata = av_malloc(s);
avctx->extradata_size = encode_nals(avctx, avctx->extradata, s, nal, nnal, 1);
}
@@ -302,14 +301,14 @@ X264_init(AVCodecContext *avctx)
}
AVCodec libx264_encoder = {
- .name = "libx264",
- .type = CODEC_TYPE_VIDEO,
- .id = CODEC_ID_H264,
+ .name = "libx264",
+ .type = CODEC_TYPE_VIDEO,
+ .id = CODEC_ID_H264,
.priv_data_size = sizeof(X264Context),
- .init = X264_init,
- .encode = X264_frame,
- .close = X264_close,
- .capabilities = CODEC_CAP_DELAY,
- .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_YUV420P, PIX_FMT_NONE },
- .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
+ .init = X264_init,
+ .encode = X264_frame,
+ .close = X264_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_YUV420P, PIX_FMT_NONE },
+ .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
};
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