[FFmpeg-cvslog] Code cleanup - mpegvideo.c - 500-1000line
Konstantin Todorov
git at videolan.org
Wed Dec 7 02:12:24 CET 2011
ffmpeg | branch: master | Konstantin Todorov <bioactiv3 at abv.bg> | Mon Dec 5 18:40:28 2011 +0200| [4d9ec050a21c953f5a6e31483cf5ebd344afa3fd] | committer: Ronald S. Bultje
Code cleanup - mpegvideo.c - 500-1000line
Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4d9ec050a21c953f5a6e31483cf5ebd344afa3fd
---
libavcodec/mpegvideo.c | 548 +++++++++++++++++++++++++++---------------------
1 files changed, 312 insertions(+), 236 deletions(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 46b6232..78fae10 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -567,46 +567,56 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
s->input_picture_number = s1->input_picture_number;
memcpy(s->picture, s1->picture, s1->picture_count * sizeof(Picture));
- memcpy(&s->last_picture, &s1->last_picture, (char*)&s1->last_picture_ptr - (char*)&s1->last_picture);
+ memcpy(&s->last_picture, &s1->last_picture,
+ (char *) &s1->last_picture_ptr - (char *) &s1->last_picture);
- s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
- s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
- s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
+ s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
+ s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
+ s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
- memcpy(s->prev_pict_types, s1->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE);
+ memcpy(s->prev_pict_types, s1->prev_pict_types,
+ PREV_PICT_TYPES_BUFFER_SIZE);
- //Error/bug resilience
+ // Error/bug resilience
s->next_p_frame_damaged = s1->next_p_frame_damaged;
s->workaround_bugs = s1->workaround_bugs;
- //MPEG4 timing info
- memcpy(&s->time_increment_bits, &s1->time_increment_bits, (char*)&s1->shape - (char*)&s1->time_increment_bits);
+ // MPEG4 timing info
+ memcpy(&s->time_increment_bits, &s1->time_increment_bits,
+ (char *) &s1->shape - (char *) &s1->time_increment_bits);
- //B-frame info
- s->max_b_frames = s1->max_b_frames;
- s->low_delay = s1->low_delay;
- s->dropable = s1->dropable;
+ // B-frame info
+ s->max_b_frames = s1->max_b_frames;
+ s->low_delay = s1->low_delay;
+ s->dropable = s1->dropable;
- //DivX handling (doesn't work)
- s->divx_packed = s1->divx_packed;
+ // DivX handling (doesn't work)
+ s->divx_packed = s1->divx_packed;
- if(s1->bitstream_buffer){
- if (s1->bitstream_buffer_size + FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
- av_fast_malloc(&s->bitstream_buffer, &s->allocated_bitstream_buffer_size, s1->allocated_bitstream_buffer_size);
- s->bitstream_buffer_size = s1->bitstream_buffer_size;
- memcpy(s->bitstream_buffer, s1->bitstream_buffer, s1->bitstream_buffer_size);
- memset(s->bitstream_buffer+s->bitstream_buffer_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ if (s1->bitstream_buffer) {
+ if (s1->bitstream_buffer_size +
+ FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
+ av_fast_malloc(&s->bitstream_buffer,
+ &s->allocated_bitstream_buffer_size,
+ s1->allocated_bitstream_buffer_size);
+ s->bitstream_buffer_size = s1->bitstream_buffer_size;
+ memcpy(s->bitstream_buffer, s1->bitstream_buffer,
+ s1->bitstream_buffer_size);
+ memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
+ FF_INPUT_BUFFER_PADDING_SIZE);
}
- //MPEG2/interlacing info
- memcpy(&s->progressive_sequence, &s1->progressive_sequence, (char*)&s1->rtp_mode - (char*)&s1->progressive_sequence);
+ // MPEG2/interlacing info
+ memcpy(&s->progressive_sequence, &s1->progressive_sequence,
+ (char *) &s1->rtp_mode - (char *) &s1->progressive_sequence);
- if(!s1->first_field){
- s->last_pict_type= s1->pict_type;
- if (s1->current_picture_ptr) s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality;
+ if (!s1->first_field) {
+ s->last_pict_type = s1->pict_type;
+ if (s1->current_picture_ptr)
+ s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality;
if (s1->pict_type != AV_PICTURE_TYPE_B) {
- s->last_non_b_pict_type= s1->pict_type;
+ s->last_non_b_pict_type = s1->pict_type;
}
}
@@ -614,35 +624,40 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
}
/**
- * sets the given MpegEncContext to common defaults (same for encoding and decoding).
- * the changed fields will not depend upon the prior state of the MpegEncContext.
+ * sets the given MpegEncContext to common defaults
+ * (same for encoding and decoding).
+ * the changed fields will not depend upon the
+ * prior state of the MpegEncContext.
*/
-void MPV_common_defaults(MpegEncContext *s){
- s->y_dc_scale_table=
- s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
- s->chroma_qscale_table= ff_default_chroma_qscale_table;
- s->progressive_frame= 1;
- s->progressive_sequence= 1;
- s->picture_structure= PICT_FRAME;
-
- s->coded_picture_number = 0;
- s->picture_number = 0;
- s->input_picture_number = 0;
+void MPV_common_defaults(MpegEncContext *s)
+{
+ s->y_dc_scale_table =
+ s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
+ s->chroma_qscale_table = ff_default_chroma_qscale_table;
+ s->progressive_frame = 1;
+ s->progressive_sequence = 1;
+ s->picture_structure = PICT_FRAME;
+
+ s->coded_picture_number = 0;
+ s->picture_number = 0;
+ s->input_picture_number = 0;
s->picture_in_gop_number = 0;
- s->f_code = 1;
- s->b_code = 1;
+ s->f_code = 1;
+ s->b_code = 1;
- s->picture_range_start = 0;
- s->picture_range_end = MAX_PICTURE_COUNT;
+ s->picture_range_start = 0;
+ s->picture_range_end = MAX_PICTURE_COUNT;
}
/**
* sets the given MpegEncContext to defaults for decoding.
- * the changed fields will not depend upon the prior state of the MpegEncContext.
+ * the changed fields will not depend upon
+ * the prior state of the MpegEncContext.
*/
-void MPV_decode_defaults(MpegEncContext *s){
+void MPV_decode_defaults(MpegEncContext *s)
+{
MPV_common_defaults(s);
}
@@ -658,157 +673,203 @@ av_cold int MPV_common_init(MpegEncContext *s)
s->avctx->active_thread_type & FF_THREAD_SLICE)) ?
s->avctx->thread_count : 1;
- if(s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
+ if (s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
s->mb_height = (s->height + 31) / 32 * 2;
else if (s->codec_id != CODEC_ID_H264)
s->mb_height = (s->height + 15) / 16;
- if(s->avctx->pix_fmt == PIX_FMT_NONE){
- av_log(s->avctx, AV_LOG_ERROR, "decoding to PIX_FMT_NONE is not supported.\n");
+ if (s->avctx->pix_fmt == PIX_FMT_NONE) {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "decoding to PIX_FMT_NONE is not supported.\n");
return -1;
}
- if((s->encoding || (s->avctx->active_thread_type & FF_THREAD_SLICE)) &&
- (s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height))){
+ if ((s->encoding || (s->avctx->active_thread_type & FF_THREAD_SLICE)) &&
+ (s->avctx->thread_count > MAX_THREADS ||
+ (s->avctx->thread_count > s->mb_height && s->mb_height))) {
int max_threads = FFMIN(MAX_THREADS, s->mb_height);
- av_log(s->avctx, AV_LOG_WARNING, "too many threads (%d), reducing to %d\n",
+ av_log(s->avctx, AV_LOG_WARNING,
+ "too many threads (%d), reducing to %d\n",
s->avctx->thread_count, max_threads);
threads = max_threads;
}
- if((s->width || s->height) && av_image_check_size(s->width, s->height, 0, s->avctx))
+ if ((s->width || s->height) &&
+ av_image_check_size(s->width, s->height, 0, s->avctx))
return -1;
ff_dct_common_init(s);
- s->flags= s->avctx->flags;
- s->flags2= s->avctx->flags2;
+ s->flags = s->avctx->flags;
+ s->flags2 = s->avctx->flags2;
if (s->width && s->height) {
- s->mb_width = (s->width + 15) / 16;
- s->mb_stride = s->mb_width + 1;
- s->b8_stride = s->mb_width*2 + 1;
- s->b4_stride = s->mb_width*4 + 1;
- mb_array_size= s->mb_height * s->mb_stride;
- mv_table_size= (s->mb_height+2) * s->mb_stride + 1;
+ s->mb_width = (s->width + 15) / 16;
+ s->mb_stride = s->mb_width + 1;
+ s->b8_stride = s->mb_width * 2 + 1;
+ s->b4_stride = s->mb_width * 4 + 1;
+ mb_array_size = s->mb_height * s->mb_stride;
+ mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
/* set chroma shifts */
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift),
&(s->chroma_y_shift) );
- /* set default edge pos, will be overriden in decode_header if needed */
- s->h_edge_pos= s->mb_width*16;
- s->v_edge_pos= s->mb_height*16;
+ /* set default edge pos, will be overriden
+ * in decode_header if needed */
+ s->h_edge_pos = s->mb_width * 16;
+ s->v_edge_pos = s->mb_height * 16;
- s->mb_num = s->mb_width * s->mb_height;
+ s->mb_num = s->mb_width * s->mb_height;
- s->block_wrap[0]=
- s->block_wrap[1]=
- s->block_wrap[2]=
- s->block_wrap[3]= s->b8_stride;
- s->block_wrap[4]=
- s->block_wrap[5]= s->mb_stride;
+ s->block_wrap[0] =
+ s->block_wrap[1] =
+ s->block_wrap[2] =
+ s->block_wrap[3] = s->b8_stride;
+ s->block_wrap[4] =
+ s->block_wrap[5] = s->mb_stride;
- y_size = s->b8_stride * (2 * s->mb_height + 1);
- c_size = s->mb_stride * (s->mb_height + 1);
- yc_size = y_size + 2 * c_size;
+ y_size = s->b8_stride * (2 * s->mb_height + 1);
+ c_size = s->mb_stride * (s->mb_height + 1);
+ yc_size = y_size + 2 * c_size;
/* convert fourcc to upper case */
- s->codec_tag = avpriv_toupper4(s->avctx->codec_tag);
+ s->codec_tag = avpriv_toupper4(s->avctx->codec_tag);
- s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag);
+ s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag);
- s->avctx->coded_frame= (AVFrame*)&s->current_picture;
+ s->avctx->coded_frame = (AVFrame *)&s->current_picture;
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num+1)*sizeof(int), fail) //error ressilience code looks cleaner with this
- for(y=0; y<s->mb_height; y++){
- for(x=0; x<s->mb_width; x++){
- s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride;
- }
- }
- s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed?
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
+ fail); // error ressilience code looks cleaner with this
+ for (y = 0; y < s->mb_height; y++)
+ for (x = 0; x < s->mb_width; x++)
+ s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
+
+ s->mb_index2xy[s->mb_height * s->mb_width] =
+ (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
if (s->encoding) {
/* Allocate MV tables */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail)
- s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
- s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
- s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
- s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
- s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1;
- s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
-
- if(s->msmpeg4_version){
- FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ s->p_mv_table = s->p_mv_table_base +
+ s->mb_stride + 1;
+ s->b_forw_mv_table = s->b_forw_mv_table_base +
+ s->mb_stride + 1;
+ s->b_back_mv_table = s->b_back_mv_table_base +
+ s->mb_stride + 1;
+ s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
+ s->mb_stride + 1;
+ s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
+ s->mb_stride + 1;
+ s->b_direct_mv_table = s->b_direct_mv_table_base +
+ s->mb_stride + 1;
+
+ if (s->msmpeg4_version) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
+ 2 * 2 * (MAX_LEVEL + 1) *
+ (MAX_RUN + 1) * 2 * sizeof(int), fail);
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
/* Allocate MB type table */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type , mb_array_size * sizeof(uint16_t), fail) //needed for encoding
-
- FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail)
-
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix , 64*32 * sizeof(int), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix , 64*32 * sizeof(int), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail)
-
- if(s->avctx->noise_reduction){
- FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
+ sizeof(uint16_t), fail); // needed for encoding
+
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
+ sizeof(int), fail);
+
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix,
+ 64 * 32 * sizeof(int), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix,
+ 64 * 32 * sizeof(int), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16,
+ 64 * 32 * 2 * sizeof(uint16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16,
+ 64 * 32 * 2 * sizeof(uint16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture,
+ MAX_PICTURE_COUNT * sizeof(Picture *), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
+ MAX_PICTURE_COUNT * sizeof(Picture *), fail);
+
+ if (s->avctx->noise_reduction) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
+ 2 * 64 * sizeof(uint16_t), fail);
}
}
}
s->picture_count = MAX_PICTURE_COUNT * FFMAX(1, s->avctx->thread_count);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, s->picture_count * sizeof(Picture), fail)
- for(i = 0; i < s->picture_count; i++) {
- avcodec_get_frame_defaults((AVFrame *)&s->picture[i]);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->picture,
+ s->picture_count * sizeof(Picture), fail);
+ for (i = 0; i < s->picture_count; i++) {
+ avcodec_get_frame_defaults((AVFrame *) &s->picture[i]);
}
if (s->width && s->height) {
- FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table, mb_array_size*sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table,
+ mb_array_size * sizeof(uint8_t), fail);
- if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){
+ if (s->codec_id == CODEC_ID_MPEG4 ||
+ (s->flags & CODEC_FLAG_INTERLACED_ME)) {
/* interlaced direct mode decoding tables */
- for(i=0; i<2; i++){
+ for (i = 0; i < 2; i++) {
int j, k;
- for(j=0; j<2; j++){
- for(k=0; k<2; k++){
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_mv_table_base[i][j][k], mv_table_size * 2 * sizeof(int16_t), fail)
- s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + s->mb_stride + 1;
+ for (j = 0; j < 2; j++) {
+ for (k = 0; k < 2; k++) {
+ FF_ALLOCZ_OR_GOTO(s->avctx,
+ s->b_field_mv_table_base[i][j][k],
+ mv_table_size * 2 * sizeof(int16_t),
+ fail);
+ s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
+ s->mb_stride + 1;
}
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail)
- s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]+ s->mb_stride + 1;
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
+ mb_array_size * 2 * sizeof(uint8_t),
+ fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
+ mv_table_size * 2 * sizeof(int16_t),
+ fail);
+ s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
+ + s->mb_stride + 1;
}
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
+ mb_array_size * 2 * sizeof(uint8_t),
+ fail);
}
}
if (s->out_format == FMT_H263) {
/* cbp values */
FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
- s->coded_block= s->coded_block_base + s->b8_stride + 1;
+ s->coded_block = s->coded_block_base + s->b8_stride + 1;
/* cbp, ac_pred, pred_dir */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
+ mb_array_size * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
+ mb_array_size * sizeof(uint8_t), fail);
}
if (s->h263_pred || s->h263_plus || !s->encoding) {
/* dc values */
- //MN: we need these for error resilience of intra-frames
- FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail);
+ // MN: we need these for error resilience of intra-frames
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
+ yc_size * sizeof(int16_t), fail);
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
s->dc_val[2] = s->dc_val[1] + c_size;
- for(i=0;i<yc_size;i++)
+ for (i = 0; i < yc_size; i++)
s->dc_val_base[i] = 1024;
}
@@ -817,39 +878,50 @@ av_cold int MPV_common_init(MpegEncContext *s)
memset(s->mbintra_table, 1, mb_array_size);
/* init macroblock skip table */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size+2, fail);
- //Note the +1 is for a quicker mpeg4 slice_end detection
- FF_ALLOCZ_OR_GOTO(s->avctx, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE, fail);
-
- s->parse_context.state= -1;
- if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
- s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
- s->visualization_buffer[1] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
- s->visualization_buffer[2] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
+ // Note the + 1 is for a quicker mpeg4 slice_end detection
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->prev_pict_types,
+ PREV_PICT_TYPES_BUFFER_SIZE, fail);
+
+ s->parse_context.state = -1;
+ if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
+ (s->avctx->debug_mv)) {
+ s->visualization_buffer[0] = av_malloc((s->mb_width * 16 +
+ 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
+ s->visualization_buffer[1] = av_malloc((s->mb_width * 16 +
+ 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
+ s->visualization_buffer[2] = av_malloc((s->mb_width * 16 +
+ 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
}
}
s->context_initialized = 1;
- s->thread_context[0]= s;
+ s->thread_context[0] = s;
if (s->width && s->height) {
- if (s->encoding || (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE)) {
- for(i=1; i<threads; i++){
- s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
- memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
- }
+ if (s->encoding || (HAVE_THREADS &&
+ s->avctx->active_thread_type&FF_THREAD_SLICE)) {
+ for (i = 1; i < threads; i++) {
+ s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
+ memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
+ }
- for(i=0; i<threads; i++){
- if(init_duplicate_context(s->thread_context[i], s) < 0)
+ for (i = 0; i < threads; i++) {
+ if (init_duplicate_context(s->thread_context[i], s) < 0)
+ goto fail;
+ s->thread_context[i]->start_mb_y =
+ (s->mb_height * (i) + s->avctx->thread_count / 2) /
+ s->avctx->thread_count;
+ s->thread_context[i]->end_mb_y =
+ (s->mb_height * (i + 1) + s->avctx->thread_count / 2) /
+ s->avctx->thread_count;
+ }
+ } else {
+ if (init_duplicate_context(s, s) < 0)
goto fail;
- s->thread_context[i]->start_mb_y= (s->mb_height*(i ) + s->avctx->thread_count/2) / s->avctx->thread_count;
- s->thread_context[i]->end_mb_y = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count;
+ s->start_mb_y = 0;
+ s->end_mb_y = s->mb_height;
}
- } else {
- if(init_duplicate_context(s, s) < 0) goto fail;
- s->start_mb_y = 0;
- s->end_mb_y = s->mb_height;
- }
}
return 0;
@@ -863,17 +935,18 @@ void MPV_common_end(MpegEncContext *s)
{
int i, j, k;
- if (s->encoding || (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE)) {
- for(i=0; i<s->avctx->thread_count; i++){
+ if (s->encoding || (HAVE_THREADS &&
+ s->avctx->active_thread_type & FF_THREAD_SLICE)) {
+ for (i = 0; i < s->avctx->thread_count; i++) {
free_duplicate_context(s->thread_context[i]);
}
- for(i=1; i<s->avctx->thread_count; i++){
+ for (i = 1; i < s->avctx->thread_count; i++) {
av_freep(&s->thread_context[i]);
}
} else free_duplicate_context(s);
av_freep(&s->parse_context.buffer);
- s->parse_context.buffer_size=0;
+ s->parse_context.buffer_size = 0;
av_freep(&s->mb_type);
av_freep(&s->p_mv_table_base);
@@ -882,21 +955,21 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->b_bidir_forw_mv_table_base);
av_freep(&s->b_bidir_back_mv_table_base);
av_freep(&s->b_direct_mv_table_base);
- s->p_mv_table= NULL;
- s->b_forw_mv_table= NULL;
- s->b_back_mv_table= NULL;
- s->b_bidir_forw_mv_table= NULL;
- s->b_bidir_back_mv_table= NULL;
- s->b_direct_mv_table= NULL;
- for(i=0; i<2; i++){
- for(j=0; j<2; j++){
- for(k=0; k<2; k++){
+ s->p_mv_table = NULL;
+ s->b_forw_mv_table = NULL;
+ s->b_back_mv_table = NULL;
+ s->b_bidir_forw_mv_table = NULL;
+ s->b_bidir_back_mv_table = NULL;
+ s->b_direct_mv_table = NULL;
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ for (k = 0; k < 2; k++) {
av_freep(&s->b_field_mv_table_base[i][j][k]);
- s->b_field_mv_table[i][j][k]=NULL;
+ s->b_field_mv_table[i][j][k] = NULL;
}
av_freep(&s->b_field_select_table[i][j]);
av_freep(&s->p_field_mv_table_base[i][j]);
- s->p_field_mv_table[i][j]=NULL;
+ s->p_field_mv_table[i][j] = NULL;
}
av_freep(&s->p_field_select_table[i]);
}
@@ -910,7 +983,7 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->mbskip_table);
av_freep(&s->prev_pict_types);
av_freep(&s->bitstream_buffer);
- s->allocated_bitstream_buffer_size=0;
+ s->allocated_bitstream_buffer_size = 0;
av_freep(&s->avctx->stats_out);
av_freep(&s->ac_stats);
@@ -925,37 +998,38 @@ void MPV_common_end(MpegEncContext *s)
av_freep(&s->reordered_input_picture);
av_freep(&s->dct_offset);
- if(s->picture && !s->avctx->internal->is_copy){
- for(i=0; i<s->picture_count; i++){
+ if (s->picture && !s->avctx->internal->is_copy) {
+ for (i = 0; i < s->picture_count; i++) {
free_picture(s, &s->picture[i]);
}
}
av_freep(&s->picture);
- s->context_initialized = 0;
- s->last_picture_ptr=
- s->next_picture_ptr=
- s->current_picture_ptr= NULL;
- s->linesize= s->uvlinesize= 0;
+ s->context_initialized = 0;
+ s->last_picture_ptr =
+ s->next_picture_ptr =
+ s->current_picture_ptr = NULL;
+ s->linesize = s->uvlinesize = 0;
- for(i=0; i<3; i++)
+ for (i = 0; i < 3; i++)
av_freep(&s->visualization_buffer[i]);
- if(!(s->avctx->active_thread_type&FF_THREAD_FRAME))
+ if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
avcodec_default_free_buffers(s->avctx);
}
-void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
+void init_rl(RLTable *rl,
+ uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3])
{
- int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
- uint8_t index_run[MAX_RUN+1];
+ int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1];
+ uint8_t index_run[MAX_RUN + 1];
int last, run, level, start, end, i;
- /* If table is static, we can quit if rl->max_level[0] is not NULL */
- if(static_store && rl->max_level[0])
+ /* If table is static, we can quit if rl->max_level[0] is not NULL */
+ if (static_store && rl->max_level[0])
return;
/* compute max_level[], max_run[] and index_run[] */
- for(last=0;last<2;last++) {
+ for (last = 0; last < 2; last++) {
if (last == 0) {
start = 0;
end = rl->last;
@@ -967,8 +1041,8 @@ void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
memset(max_level, 0, MAX_RUN + 1);
memset(max_run, 0, MAX_LEVEL + 1);
memset(index_run, rl->n, MAX_RUN + 1);
- for(i=start;i<end;i++) {
- run = rl->table_run[i];
+ for (i = start; i < end; i++) {
+ run = rl->table_run[i];
level = rl->table_level[i];
if (index_run[run] == rl->n)
index_run[run] = i;
@@ -977,17 +1051,17 @@ void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
if (run > max_run[level])
max_run[level] = run;
}
- if(static_store)
+ if (static_store)
rl->max_level[last] = static_store[last];
else
rl->max_level[last] = av_malloc(MAX_RUN + 1);
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
- if(static_store)
- rl->max_run[last] = static_store[last] + MAX_RUN + 1;
+ if (static_store)
+ rl->max_run[last] = static_store[last] + MAX_RUN + 1;
else
- rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
+ rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
- if(static_store)
+ if (static_store)
rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2;
else
rl->index_run[last] = av_malloc(MAX_RUN + 1);
@@ -999,77 +1073,79 @@ void init_vlc_rl(RLTable *rl)
{
int i, q;
- for(q=0; q<32; q++){
- int qmul= q*2;
- int qadd= (q-1)|1;
+ for (q = 0; q < 32; q++) {
+ int qmul = q * 2;
+ int qadd = (q - 1) | 1;
- if(q==0){
- qmul=1;
- qadd=0;
+ if (q == 0) {
+ qmul = 1;
+ qadd = 0;
}
- for(i=0; i<rl->vlc.table_size; i++){
- int code= rl->vlc.table[i][0];
- int len = rl->vlc.table[i][1];
+ for (i = 0; i < rl->vlc.table_size; i++) {
+ int code = rl->vlc.table[i][0];
+ int len = rl->vlc.table[i][1];
int level, run;
- if(len==0){ // illegal code
- run= 66;
- level= MAX_LEVEL;
- }else if(len<0){ //more bits needed
- run= 0;
- level= code;
- }else{
- if(code==rl->n){ //esc
- run= 66;
- level= 0;
- }else{
- run= rl->table_run [code] + 1;
- level= rl->table_level[code] * qmul + qadd;
- if(code >= rl->last) run+=192;
+ if (len == 0) { // illegal code
+ run = 66;
+ level = MAX_LEVEL;
+ } else if (len < 0) { // more bits needed
+ run = 0;
+ level = code;
+ } else {
+ if (code == rl->n) { // esc
+ run = 66;
+ level = 0;
+ } else {
+ run = rl->table_run[code] + 1;
+ level = rl->table_level[code] * qmul + qadd;
+ if (code >= rl->last) run += 192;
}
}
- rl->rl_vlc[q][i].len= len;
- rl->rl_vlc[q][i].level= level;
- rl->rl_vlc[q][i].run= run;
+ rl->rl_vlc[q][i].len = len;
+ rl->rl_vlc[q][i].level = level;
+ rl->rl_vlc[q][i].run = run;
}
}
}
-void ff_release_unused_pictures(MpegEncContext *s, int remove_current)
+void ff_release_unused_pictures(MpegEncContext*s, int remove_current)
{
int i;
/* release non reference frames */
- for(i=0; i<s->picture_count; i++){
- if (s->picture[i].f.data[0] && !s->picture[i].f.reference
- && (!s->picture[i].owner2 || s->picture[i].owner2 == s)
- && (remove_current || &s->picture[i] != s->current_picture_ptr)
- /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
+ for (i = 0; i < s->picture_count; i++) {
+ if (s->picture[i].f.data[0] && !s->picture[i].f.reference &&
+ (!s->picture[i].owner2 || s->picture[i].owner2 == s) &&
+ (remove_current || &s->picture[i] != s->current_picture_ptr)
+ /* && s->picture[i].type!= FF_BUFFER_TYPE_SHARED */) {
free_frame_buffer(s, &s->picture[i]);
}
}
}
-int ff_find_unused_picture(MpegEncContext *s, int shared){
+int ff_find_unused_picture(MpegEncContext *s, int shared)
+{
int i;
- if(shared){
- for(i=s->picture_range_start; i<s->picture_range_end; i++){
+ if (shared) {
+ for (i = s->picture_range_start; i < s->picture_range_end; i++) {
if (s->picture[i].f.data[0] == NULL && s->picture[i].f.type == 0)
return i;
}
- }else{
- for(i=s->picture_range_start; i<s->picture_range_end; i++){
+ } else {
+ for (i = s->picture_range_start; i < s->picture_range_end; i++) {
if (s->picture[i].f.data[0] == NULL && s->picture[i].f.type != 0)
- return i; //FIXME
+ return i; // FIXME
}
- for(i=s->picture_range_start; i<s->picture_range_end; i++){
+ for (i = s->picture_range_start; i < s->picture_range_end; i++) {
if (s->picture[i].f.data[0] == NULL)
return i;
}
}
- av_log(s->avctx, AV_LOG_FATAL, "Internal error, picture buffer overflow\n");
+ av_log(s->avctx, AV_LOG_FATAL,
+ "Internal error, picture buffer overflow\n");
/* We could return -1, but the codec would crash trying to draw into a
* non-existing frame anyway. This is safer than waiting for a random crash.
* Also the return of this is never useful, an encoder must only allocate
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