//#define DEBUG
-static const uint8_t ff_default_chroma_qscale_table[32]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
+static const uint8_t ff_default_chroma_qscale_table[32] = {
+// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
};
-const uint8_t ff_mpeg1_dc_scale_table[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+const uint8_t ff_mpeg1_dc_scale_table[128] = {
+// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
};
-static const uint8_t mpeg2_dc_scale_table1[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+static const uint8_t mpeg2_dc_scale_table1[128] = {
+// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
};
-static const uint8_t mpeg2_dc_scale_table2[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+static const uint8_t mpeg2_dc_scale_table2[128] = {
+// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
};
-static const uint8_t mpeg2_dc_scale_table3[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+static const uint8_t mpeg2_dc_scale_table3[128] = {
+// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};
-const uint8_t * const ff_mpeg2_dc_scale_table[4]={
+const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
ff_mpeg1_dc_scale_table,
mpeg2_dc_scale_table1,
mpeg2_dc_scale_table2,
PIX_FMT_NONE
};
-const uint8_t *avpriv_mpv_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
+const uint8_t *avpriv_mpv_find_start_code(const uint8_t *restrict p,
+ const uint8_t *end,
+ uint32_t * restrict state)
+{
int i;
- assert(p<=end);
- if(p>=end)
+ assert(p <= end);
+ if (p >= end)
return end;
- for(i=0; i<3; i++){
- uint32_t tmp= *state << 8;
- *state= tmp + *(p++);
- if(tmp == 0x100 || p==end)
+ for (i = 0; i < 3; i++) {
+ uint32_t tmp = *state << 8;
+ *state = tmp + *(p++);
+ if (tmp == 0x100 || p == end)
return p;
}
- while(p<end){
- if (p[-1] > 1 ) p+= 3;
- else if(p[-2] ) p+= 2;
- else if(p[-3]|(p[-1]-1)) p++;
- else{
+ while (p < end) {
+ if (p[-1] > 1 ) p += 3;
+ else if (p[-2] ) p += 2;
+ else if (p[-3]|(p[-1]-1)) p++;
+ else {
p++;
break;
}
}
- p= FFMIN(p, end)-4;
- *state= AV_RB32(p);
+ p = FFMIN(p, end) - 4;
+ *state = AV_RB32(p);
- return p+4;
+ return p + 4;
}
/* init common dct for both encoder and decoder */
s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
- if(s->flags & CODEC_FLAG_BITEXACT)
+ if (s->flags & CODEC_FLAG_BITEXACT)
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
-#if HAVE_MMX
+#if HAVE_MMX
MPV_common_init_mmx(s);
#elif ARCH_ALPHA
MPV_common_init_axp(s);
#endif
/* load & permutate scantables
- note: only wmv uses different ones
- */
- if(s->alternate_scan){
+ * note: only wmv uses different ones
+ */
+ if (s->alternate_scan) {
ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan);
- }else{
+ } else {
ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct);
}
return 0;
}
-void ff_copy_picture(Picture *dst, Picture *src){
+void ff_copy_picture(Picture *dst, Picture *src)
+{
*dst = *src;
- dst->f.type= FF_BUFFER_TYPE_COPY;
+ dst->f.type = FF_BUFFER_TYPE_COPY;
}
/**
static void free_frame_buffer(MpegEncContext *s, Picture *pic)
{
/* Windows Media Image codecs allocate internal buffers with different
- dimensions; ignore user defined callbacks for these */
+ * dimensions; ignore user defined callbacks for these
+ */
if (s->codec_id != CODEC_ID_WMV3IMAGE && s->codec_id != CODEC_ID_VC1IMAGE)
- ff_thread_release_buffer(s->avctx, (AVFrame*)pic);
+ ff_thread_release_buffer(s->avctx, (AVFrame *) pic);
else
- avcodec_default_release_buffer(s->avctx, (AVFrame*)pic);
+ avcodec_default_release_buffer(s->avctx, (AVFrame *) pic);
av_freep(&pic->f.hwaccel_picture_private);
}
}
if (s->codec_id != CODEC_ID_WMV3IMAGE && s->codec_id != CODEC_ID_VC1IMAGE)
- r = ff_thread_get_buffer(s->avctx, (AVFrame*)pic);
+ r = ff_thread_get_buffer(s->avctx, (AVFrame *) pic);
else
- r = avcodec_default_get_buffer(s->avctx, (AVFrame*)pic);
+ r = avcodec_default_get_buffer(s->avctx, (AVFrame *) pic);
if (r < 0 || !pic->f.age || !pic->f.type || !pic->f.data[0]) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n",
return -1;
}
- if (s->linesize && (s->linesize != pic->f.linesize[0] || s->uvlinesize != pic->f.linesize[1])) {
- av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (stride changed)\n");
+ if (s->linesize && (s->linesize != pic->f.linesize[0] ||
+ s->uvlinesize != pic->f.linesize[1])) {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "get_buffer() failed (stride changed)\n");
free_frame_buffer(s, pic);
return -1;
}
if (pic->f.linesize[1] != pic->f.linesize[2]) {
- av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (uv stride mismatch)\n");
+ av_log(s->avctx, AV_LOG_ERROR,
+ "get_buffer() failed (uv stride mismatch)\n");
free_frame_buffer(s, pic);
return -1;
}
/**
* allocates a Picture
- * The pixels are allocated/set by calling get_buffer() if shared=0
+ * The pixels are allocated/set by calling get_buffer() if shared = 0
*/
-int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared){
- const int big_mb_num= s->mb_stride*(s->mb_height+1) + 1; //the +1 is needed so memset(,,stride*height) does not sig11
- const int mb_array_size= s->mb_stride*s->mb_height;
- const int b8_array_size= s->b8_stride*s->mb_height*2;
- const int b4_array_size= s->b4_stride*s->mb_height*4;
+int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared)
+{
+ const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1;
+
+ // the + 1 is needed so memset(,,stride*height) does not sig11
+
+ const int mb_array_size = s->mb_stride * s->mb_height;
+ const int b8_array_size = s->b8_stride * s->mb_height * 2;
+ const int b4_array_size = s->b4_stride * s->mb_height * 4;
int i;
- int r= -1;
+ int r = -1;
- if(shared){
+ if (shared) {
assert(pic->f.data[0]);
assert(pic->f.type == 0 || pic->f.type == FF_BUFFER_TYPE_SHARED);
pic->f.type = FF_BUFFER_TYPE_SHARED;
- }else{
+ } else {
assert(!pic->f.data[0]);
if (alloc_frame_buffer(s, pic) < 0)
if (pic->f.qscale_table == NULL) {
if (s->encoding) {
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_var , mb_array_size * sizeof(int16_t) , fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->mc_mb_var, mb_array_size * sizeof(int16_t) , fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_mean , mb_array_size * sizeof(int8_t ) , fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_var,
+ mb_array_size * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->mc_mb_var,
+ mb_array_size * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_mean,
+ mb_array_size * sizeof(int8_t ), fail)
}
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.mbskip_table, mb_array_size * sizeof(uint8_t) + 2, fail) //the +2 is for the slice end check
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->qscale_table_base , (big_mb_num + s->mb_stride) * sizeof(uint8_t) , fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_type_base , (big_mb_num + s->mb_stride) * sizeof(uint32_t), fail)
- pic->f.mb_type = pic->mb_type_base + 2*s->mb_stride + 1;
- pic->f.qscale_table = pic->qscale_table_base + 2*s->mb_stride + 1;
- if(s->out_format == FMT_H264){
- for(i=0; i<2; i++){
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i], 2 * (b4_array_size+4) * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.mbskip_table,
+ mb_array_size * sizeof(uint8_t) + 2, fail)// the + 2 is for the slice end check
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->qscale_table_base,
+ (big_mb_num + s->mb_stride) * sizeof(uint8_t),
+ fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_type_base,
+ (big_mb_num + s->mb_stride) * sizeof(uint32_t),
+ fail)
+ pic->f.mb_type = pic->mb_type_base + 2 * s->mb_stride + 1;
+ pic->f.qscale_table = pic->qscale_table_base + 2 * s->mb_stride + 1;
+ if (s->out_format == FMT_H264) {
+ for (i = 0; i < 2; i++) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i],
+ 2 * (b4_array_size + 4) * sizeof(int16_t),
+ fail)
pic->f.motion_val[i] = pic->motion_val_base[i] + 4;
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.ref_index[i], 4*mb_array_size * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.ref_index[i],
+ 4 * mb_array_size * sizeof(uint8_t), fail)
}
pic->f.motion_subsample_log2 = 2;
- }else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){
- for(i=0; i<2; i++){
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i], 2 * (b8_array_size+4) * sizeof(int16_t), fail)
+ } else if (s->out_format == FMT_H263 || s->encoding ||
+ (s->avctx->debug & FF_DEBUG_MV) || s->avctx->debug_mv) {
+ for (i = 0; i < 2; i++) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i],
+ 2 * (b8_array_size + 4) * sizeof(int16_t),
+ fail)
pic->f.motion_val[i] = pic->motion_val_base[i] + 4;
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.ref_index[i], 4*mb_array_size * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.ref_index[i],
+ 4 * mb_array_size * sizeof(uint8_t), fail)
}
pic->f.motion_subsample_log2 = 3;
}
- if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.dct_coeff, 64 * mb_array_size * sizeof(DCTELEM) * 6, fail)
+ if (s->avctx->debug&FF_DEBUG_DCT_COEFF) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.dct_coeff,
+ 64 * mb_array_size * sizeof(DCTELEM) * 6, fail)
}
pic->f.qstride = s->mb_stride;
- FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.pan_scan , 1 * sizeof(AVPanScan), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.pan_scan,
+ 1 * sizeof(AVPanScan), fail)
}
/* It might be nicer if the application would keep track of these
* but it would require an API change. */
- memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1);
- s->prev_pict_types[0]= s->dropable ? AV_PICTURE_TYPE_B : s->pict_type;
- if (pic->f.age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->f.age] == AV_PICTURE_TYPE_B)
- pic->f.age = INT_MAX; // Skipped MBs in B-frames are quite rare in MPEG-1/2 and it is a bit tricky to skip them anyway.
+ memmove(s->prev_pict_types + 1, s->prev_pict_types,
+ PREV_PICT_TYPES_BUFFER_SIZE-1);
+ s->prev_pict_types[0] = s->dropable ? AV_PICTURE_TYPE_B : s->pict_type;
+ if (pic->f.age < PREV_PICT_TYPES_BUFFER_SIZE &&
+ s->prev_pict_types[pic->f.age] == AV_PICTURE_TYPE_B)
+ pic->f.age = INT_MAX; // Skipped MBs in B-frames are quite rare in MPEG-1/2
+ // and it is a bit tricky to skip them anyway.
pic->owner2 = s;
return 0;
-fail: //for the FF_ALLOCZ_OR_GOTO macro
- if(r>=0)
+fail: // for the FF_ALLOCZ_OR_GOTO macro
+ if (r >= 0)
free_frame_buffer(s, pic);
return -1;
}
/**
* deallocates a picture
*/
-static void free_picture(MpegEncContext *s, Picture *pic){
+static void free_picture(MpegEncContext *s, Picture *pic)
+{
int i;
if (pic->f.data[0] && pic->f.type != FF_BUFFER_TYPE_SHARED) {
av_freep(&pic->f.dct_coeff);
av_freep(&pic->f.pan_scan);
pic->f.mb_type = NULL;
- for(i=0; i<2; i++){
+ for (i = 0; i < 2; i++) {
av_freep(&pic->motion_val_base[i]);
av_freep(&pic->f.ref_index[i]);
}
if (pic->f.type == FF_BUFFER_TYPE_SHARED) {
- for(i=0; i<4; i++){
+ for (i = 0; i < 4; i++) {
pic->f.base[i] =
pic->f.data[i] = NULL;
}
}
}
-static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){
+static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base)
+{
int y_size = s->b8_stride * (2 * s->mb_height + 1);
int c_size = s->mb_stride * (s->mb_height + 1);
int yc_size = y_size + 2 * c_size;
int i;
- // edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 21x21 for h264)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, (s->width+64)*2*21*2, fail); //(width + edge + align)*interlaced*MBsize*tolerance
-
- //FIXME should be linesize instead of s->width*2 but that is not known before get_buffer()
- FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, (s->width+64)*4*16*2*sizeof(uint8_t), fail)
- s->me.temp= s->me.scratchpad;
- s->rd_scratchpad= s->me.scratchpad;
- s->b_scratchpad= s->me.scratchpad;
- s->obmc_scratchpad= s->me.scratchpad + 16;
+ // edge emu needs blocksize + filter length - 1
+ // (= 17x17 for halfpel / 21x21 for h264)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer,
+ (s->width + 64) * 2 * 21 * 2, fail); // (width + edge + align)*interlaced*MBsize*tolerance
+
+ // FIXME should be linesize instead of s->width * 2
+ // but that is not known before get_buffer()
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad,
+ (s->width + 64) * 4 * 16 * 2 * sizeof(uint8_t), fail)
+ s->me.temp = s->me.scratchpad;
+ s->rd_scratchpad = s->me.scratchpad;
+ s->b_scratchpad = s->me.scratchpad;
+ s->obmc_scratchpad = s->me.scratchpad + 16;
if (s->encoding) {
- FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map , ME_MAP_SIZE*sizeof(uint32_t), fail)
- FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t), fail)
- if(s->avctx->noise_reduction){
- FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum, 2 * 64 * sizeof(int), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map,
+ ME_MAP_SIZE * sizeof(uint32_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map,
+ ME_MAP_SIZE * sizeof(uint32_t), fail)
+ if (s->avctx->noise_reduction) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum,
+ 2 * 64 * sizeof(int), fail)
}
}
- FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64*12*2 * sizeof(DCTELEM), fail)
- s->block= s->blocks[0];
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64 * 12 * 2 * sizeof(DCTELEM), fail)
+ s->block = s->blocks[0];
- for(i=0;i<12;i++){
+ for (i = 0; i < 12; i++) {
s->pblocks[i] = &s->block[i];
}
if (s->out_format == FMT_H263) {
/* ac values */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base, yc_size * sizeof(int16_t) * 16, fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base,
+ yc_size * sizeof(int16_t) * 16, fail);
s->ac_val[0] = s->ac_val_base + s->b8_stride + 1;
s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1;
s->ac_val[2] = s->ac_val[1] + c_size;
return 0;
fail:
- return -1; //free() through MPV_common_end()
+ return -1; // free() through MPV_common_end()
}
-static void free_duplicate_context(MpegEncContext *s){
- if(s==NULL) return;
+static void free_duplicate_context(MpegEncContext *s)
+{
+ if (s == NULL)
+ return;
av_freep(&s->edge_emu_buffer);
av_freep(&s->me.scratchpad);
- s->me.temp=
- s->rd_scratchpad=
- s->b_scratchpad=
- s->obmc_scratchpad= NULL;
+ s->me.temp =
+ s->rd_scratchpad =
+ s->b_scratchpad =
+ s->obmc_scratchpad = NULL;
av_freep(&s->dct_error_sum);
av_freep(&s->me.map);
av_freep(&s->me.score_map);
av_freep(&s->blocks);
av_freep(&s->ac_val_base);
- s->block= NULL;
+ s->block = NULL;
}
-static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src){
-#define COPY(a) bak->a= src->a
+static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src)
+{
+#define COPY(a) bak->a = src->a
COPY(edge_emu_buffer);
COPY(me.scratchpad);
COPY(me.temp);
#undef COPY
}
-void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){
+void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
+{
MpegEncContext bak;
int i;
- //FIXME copy only needed parts
-//START_TIMER
+ // FIXME copy only needed parts
+ // START_TIMER
backup_duplicate_context(&bak, dst);
memcpy(dst, src, sizeof(MpegEncContext));
backup_duplicate_context(dst, &bak);
- for(i=0;i<12;i++){
+ for (i = 0; i < 12; i++) {
dst->pblocks[i] = &dst->block[i];
}
-//STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
+ // STOP_TIMER("update_duplicate_context")
+ // about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
}
-int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
+int ff_mpeg_update_thread_context(AVCodecContext *dst,
+ const AVCodecContext *src)
{
MpegEncContext *s = dst->priv_data, *s1 = src->priv_data;
- if(dst == src || !s1->context_initialized) return 0;
+ if (dst == src || !s1->context_initialized)
+ return 0;
- //FIXME can parameters change on I-frames? in that case dst may need a reinit
- if(!s->context_initialized){
+ // FIXME can parameters change on I-frames?
+ // in that case dst may need a reinit
+ if (!s->context_initialized) {
memcpy(s, s1, sizeof(MpegEncContext));
s->avctx = 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;
s->padding_bug_score = s1->padding_bug_score;
- //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;
}
}
}
/**
- * 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);
}
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;
- 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;
+ 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->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);
s->codec_tag = avpriv_toupper4(s->avctx->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->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_intra_matrix , 64*32 * sizeof(int), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_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_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_chroma_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->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)
}
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]);
}
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)){
- /* interlaced direct mode decoding tables */
- for(i=0; i<2; i++){
+ if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){
+ /* interlaced direct mode decoding tables */
+ 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)
+ 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;
+ 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)
}
- }
- 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;
-
- /* 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)
- }
+ }
+ 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;
+
+ /* 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);
+ }
- 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);
- 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++)
- s->dc_val_base[i] = 1024;
- }
+ 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);
+ 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++)
+ s->dc_val_base[i] = 1024;
+ }
- /* which mb is a intra block */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
- memset(s->mbintra_table, 1, mb_array_size);
+ /* which mb is a intra block */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
+ 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);
+ /* 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);
- }
+ 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->context_initialized = 1;
+ s->thread_context[0] = s;
- 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;
fail:
{
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);
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]);
}
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);
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;
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;
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);
{
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
if (s->avctx->draw_horiz_band) {
AVFrame *src;
- int offset[4];
+ int offset[AV_NUM_DATA_POINTERS];
+ int i;
if(s->pict_type==AV_PICTURE_TYPE_B || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
src= (AVFrame*)s->current_picture_ptr;
return;
if(s->pict_type==AV_PICTURE_TYPE_B && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
- offset[0]=
- offset[1]=
- offset[2]=
- offset[3]= 0;
+ for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
+ offset[i] = 0;
}else{
offset[0]= y * s->linesize;
offset[1]=
offset[2]= (y >> s->chroma_y_shift) * s->uvlinesize;
- offset[3]= 0;
+ for (i = 3; i < AV_NUM_DATA_POINTERS; i++)
+ offset[i] = 0;
}
emms_c();
projects / ffmpeg / blobdiff