2 #include "h264encode.h"
4 #include <EGL/eglplatform.h>
9 #include <libavcodec/avcodec.h>
10 #include <libavformat/avio.h>
11 #include <libavutil/mathematics.h>
12 #include <libavutil/rational.h>
13 #include <libdrm/drm_fourcc.h>
19 #include <va/va_drmcommon.h>
20 #include <va/va_enc_h264.h>
21 #include <va/va_x11.h>
22 #include <condition_variable>
34 #define CHECK_VASTATUS(va_status, func) \
35 if (va_status != VA_STATUS_SUCCESS) { \
36 fprintf(stderr, "%s:%d (%s) failed with %d\n", __func__, __LINE__, func, va_status); \
40 //#include "loadsurface.h"
42 #define NAL_REF_IDC_NONE 0
43 #define NAL_REF_IDC_LOW 1
44 #define NAL_REF_IDC_MEDIUM 2
45 #define NAL_REF_IDC_HIGH 3
53 #define SLICE_TYPE_P 0
54 #define SLICE_TYPE_B 1
55 #define SLICE_TYPE_I 2
56 #define IS_P_SLICE(type) (SLICE_TYPE_P == (type))
57 #define IS_B_SLICE(type) (SLICE_TYPE_B == (type))
58 #define IS_I_SLICE(type) (SLICE_TYPE_I == (type))
61 #define ENTROPY_MODE_CAVLC 0
62 #define ENTROPY_MODE_CABAC 1
64 #define PROFILE_IDC_BASELINE 66
65 #define PROFILE_IDC_MAIN 77
66 #define PROFILE_IDC_HIGH 100
68 #define BITSTREAM_ALLOCATE_STEPPING 4096
70 #define SURFACE_NUM 16 /* 16 surfaces for source YUV */
71 static VADisplay va_dpy;
72 static VAProfile h264_profile = (VAProfile)~0;
73 static VAConfigAttrib config_attrib[VAConfigAttribTypeMax];
74 static int config_attrib_num = 0, enc_packed_header_idx;
77 VASurfaceID src_surface, ref_surface;
80 VAImage surface_image;
81 GLuint y_tex, cbcr_tex;
82 EGLImage y_egl_image, cbcr_egl_image;
84 GLSurface gl_surfaces[SURFACE_NUM];
86 static VAConfigID config_id;
87 static VAContextID context_id;
88 static VAEncSequenceParameterBufferH264 seq_param;
89 static VAEncPictureParameterBufferH264 pic_param;
90 static VAEncSliceParameterBufferH264 slice_param;
91 static VAPictureH264 CurrentCurrPic;
92 static VAPictureH264 ReferenceFrames[16], RefPicList0_P[32], RefPicList0_B[32], RefPicList1_B[32];
94 static unsigned int MaxFrameNum = (2<<16);
95 static unsigned int MaxPicOrderCntLsb = (2<<8);
96 static unsigned int Log2MaxFrameNum = 16;
97 static unsigned int Log2MaxPicOrderCntLsb = 8;
99 static unsigned int num_ref_frames = 2;
100 static unsigned int numShortTerm = 0;
101 static int constraint_set_flag = 0;
102 static int h264_packedheader = 0; /* support pack header? */
103 static int h264_maxref = (1<<16|1);
104 static int h264_entropy_mode = 1; /* cabac */
106 static char *coded_fn = NULL;
108 static int frame_width = 176;
109 static int frame_height = 144;
110 static int frame_width_mbaligned;
111 static int frame_height_mbaligned;
112 static int frame_rate = 60;
113 static unsigned int frame_bitrate = 0;
114 static unsigned int frame_slices = 1;
115 static double frame_size = 0;
116 static int initial_qp = 15;
117 //static int initial_qp = 28;
118 static int minimal_qp = 0;
119 static int intra_period = 30;
120 static int intra_idr_period = 60;
121 static int ip_period = 3;
122 static int rc_mode = -1;
123 static int rc_default_modes[] = {
126 VA_RC_VBR_CONSTRAINED,
131 static unsigned long long current_frame_encoding = 0;
132 static unsigned long long current_frame_display = 0;
133 static unsigned long long current_IDR_display = 0;
134 static unsigned int current_frame_num = 0;
135 static int current_frame_type;
137 static int misc_priv_type = 0;
138 static int misc_priv_value = 0;
140 /* thread to save coded data */
141 #define SRC_SURFACE_FREE 0
142 #define SRC_SURFACE_IN_ENCODING 1
145 unsigned int *buffer;
147 int max_size_in_dword;
149 typedef struct __bitstream bitstream;
154 va_swap32(unsigned int val)
156 unsigned char *pval = (unsigned char *)&val;
158 return ((pval[0] << 24) |
165 bitstream_start(bitstream *bs)
167 bs->max_size_in_dword = BITSTREAM_ALLOCATE_STEPPING;
168 bs->buffer = (unsigned int *)calloc(bs->max_size_in_dword * sizeof(int), 1);
173 bitstream_end(bitstream *bs)
175 int pos = (bs->bit_offset >> 5);
176 int bit_offset = (bs->bit_offset & 0x1f);
177 int bit_left = 32 - bit_offset;
180 bs->buffer[pos] = va_swap32((bs->buffer[pos] << bit_left));
185 bitstream_put_ui(bitstream *bs, unsigned int val, int size_in_bits)
187 int pos = (bs->bit_offset >> 5);
188 int bit_offset = (bs->bit_offset & 0x1f);
189 int bit_left = 32 - bit_offset;
194 bs->bit_offset += size_in_bits;
196 if (bit_left > size_in_bits) {
197 bs->buffer[pos] = (bs->buffer[pos] << size_in_bits | val);
199 size_in_bits -= bit_left;
200 bs->buffer[pos] = (bs->buffer[pos] << bit_left) | (val >> size_in_bits);
201 bs->buffer[pos] = va_swap32(bs->buffer[pos]);
203 if (pos + 1 == bs->max_size_in_dword) {
204 bs->max_size_in_dword += BITSTREAM_ALLOCATE_STEPPING;
205 bs->buffer = (unsigned int *)realloc(bs->buffer, bs->max_size_in_dword * sizeof(unsigned int));
208 bs->buffer[pos + 1] = val;
213 bitstream_put_ue(bitstream *bs, unsigned int val)
215 int size_in_bits = 0;
223 bitstream_put_ui(bs, 0, size_in_bits - 1); // leading zero
224 bitstream_put_ui(bs, val, size_in_bits);
228 bitstream_put_se(bitstream *bs, int val)
230 unsigned int new_val;
235 new_val = 2 * val - 1;
237 bitstream_put_ue(bs, new_val);
241 bitstream_byte_aligning(bitstream *bs, int bit)
243 int bit_offset = (bs->bit_offset & 0x7);
244 int bit_left = 8 - bit_offset;
250 assert(bit == 0 || bit == 1);
253 new_val = (1 << bit_left) - 1;
257 bitstream_put_ui(bs, new_val, bit_left);
261 rbsp_trailing_bits(bitstream *bs)
263 bitstream_put_ui(bs, 1, 1);
264 bitstream_byte_aligning(bs, 0);
267 static void nal_start_code_prefix(bitstream *bs)
269 bitstream_put_ui(bs, 0x00000001, 32);
272 static void nal_header(bitstream *bs, int nal_ref_idc, int nal_unit_type)
274 bitstream_put_ui(bs, 0, 1); /* forbidden_zero_bit: 0 */
275 bitstream_put_ui(bs, nal_ref_idc, 2);
276 bitstream_put_ui(bs, nal_unit_type, 5);
279 static void sps_rbsp(bitstream *bs)
281 int profile_idc = PROFILE_IDC_BASELINE;
283 if (h264_profile == VAProfileH264High)
284 profile_idc = PROFILE_IDC_HIGH;
285 else if (h264_profile == VAProfileH264Main)
286 profile_idc = PROFILE_IDC_MAIN;
288 bitstream_put_ui(bs, profile_idc, 8); /* profile_idc */
289 bitstream_put_ui(bs, !!(constraint_set_flag & 1), 1); /* constraint_set0_flag */
290 bitstream_put_ui(bs, !!(constraint_set_flag & 2), 1); /* constraint_set1_flag */
291 bitstream_put_ui(bs, !!(constraint_set_flag & 4), 1); /* constraint_set2_flag */
292 bitstream_put_ui(bs, !!(constraint_set_flag & 8), 1); /* constraint_set3_flag */
293 bitstream_put_ui(bs, 0, 4); /* reserved_zero_4bits */
294 bitstream_put_ui(bs, seq_param.level_idc, 8); /* level_idc */
295 bitstream_put_ue(bs, seq_param.seq_parameter_set_id); /* seq_parameter_set_id */
297 if ( profile_idc == PROFILE_IDC_HIGH) {
298 bitstream_put_ue(bs, 1); /* chroma_format_idc = 1, 4:2:0 */
299 bitstream_put_ue(bs, 0); /* bit_depth_luma_minus8 */
300 bitstream_put_ue(bs, 0); /* bit_depth_chroma_minus8 */
301 bitstream_put_ui(bs, 0, 1); /* qpprime_y_zero_transform_bypass_flag */
302 bitstream_put_ui(bs, 0, 1); /* seq_scaling_matrix_present_flag */
305 bitstream_put_ue(bs, seq_param.seq_fields.bits.log2_max_frame_num_minus4); /* log2_max_frame_num_minus4 */
306 bitstream_put_ue(bs, seq_param.seq_fields.bits.pic_order_cnt_type); /* pic_order_cnt_type */
308 if (seq_param.seq_fields.bits.pic_order_cnt_type == 0)
309 bitstream_put_ue(bs, seq_param.seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4); /* log2_max_pic_order_cnt_lsb_minus4 */
314 bitstream_put_ue(bs, seq_param.max_num_ref_frames); /* num_ref_frames */
315 bitstream_put_ui(bs, 0, 1); /* gaps_in_frame_num_value_allowed_flag */
317 bitstream_put_ue(bs, seq_param.picture_width_in_mbs - 1); /* pic_width_in_mbs_minus1 */
318 bitstream_put_ue(bs, seq_param.picture_height_in_mbs - 1); /* pic_height_in_map_units_minus1 */
319 bitstream_put_ui(bs, seq_param.seq_fields.bits.frame_mbs_only_flag, 1); /* frame_mbs_only_flag */
321 if (!seq_param.seq_fields.bits.frame_mbs_only_flag) {
325 bitstream_put_ui(bs, seq_param.seq_fields.bits.direct_8x8_inference_flag, 1); /* direct_8x8_inference_flag */
326 bitstream_put_ui(bs, seq_param.frame_cropping_flag, 1); /* frame_cropping_flag */
328 if (seq_param.frame_cropping_flag) {
329 bitstream_put_ue(bs, seq_param.frame_crop_left_offset); /* frame_crop_left_offset */
330 bitstream_put_ue(bs, seq_param.frame_crop_right_offset); /* frame_crop_right_offset */
331 bitstream_put_ue(bs, seq_param.frame_crop_top_offset); /* frame_crop_top_offset */
332 bitstream_put_ue(bs, seq_param.frame_crop_bottom_offset); /* frame_crop_bottom_offset */
335 //if ( frame_bit_rate < 0 ) { //TODO EW: the vui header isn't correct
337 bitstream_put_ui(bs, 0, 1); /* vui_parameters_present_flag */
339 bitstream_put_ui(bs, 1, 1); /* vui_parameters_present_flag */
340 bitstream_put_ui(bs, 0, 1); /* aspect_ratio_info_present_flag */
341 bitstream_put_ui(bs, 0, 1); /* overscan_info_present_flag */
342 bitstream_put_ui(bs, 0, 1); /* video_signal_type_present_flag */
343 bitstream_put_ui(bs, 0, 1); /* chroma_loc_info_present_flag */
344 bitstream_put_ui(bs, 1, 1); /* timing_info_present_flag */
346 bitstream_put_ui(bs, 1, 32); // FPS
347 bitstream_put_ui(bs, TIMEBASE * 2, 32); // FPS
348 bitstream_put_ui(bs, 1, 1);
350 bitstream_put_ui(bs, 1, 1); /* nal_hrd_parameters_present_flag */
353 bitstream_put_ue(bs, 0); /* cpb_cnt_minus1 */
354 bitstream_put_ui(bs, 4, 4); /* bit_rate_scale */
355 bitstream_put_ui(bs, 6, 4); /* cpb_size_scale */
357 bitstream_put_ue(bs, frame_bitrate - 1); /* bit_rate_value_minus1[0] */
358 bitstream_put_ue(bs, frame_bitrate*8 - 1); /* cpb_size_value_minus1[0] */
359 bitstream_put_ui(bs, 1, 1); /* cbr_flag[0] */
361 bitstream_put_ui(bs, 23, 5); /* initial_cpb_removal_delay_length_minus1 */
362 bitstream_put_ui(bs, 23, 5); /* cpb_removal_delay_length_minus1 */
363 bitstream_put_ui(bs, 23, 5); /* dpb_output_delay_length_minus1 */
364 bitstream_put_ui(bs, 23, 5); /* time_offset_length */
366 bitstream_put_ui(bs, 0, 1); /* vcl_hrd_parameters_present_flag */
367 bitstream_put_ui(bs, 0, 1); /* low_delay_hrd_flag */
369 bitstream_put_ui(bs, 0, 1); /* pic_struct_present_flag */
370 bitstream_put_ui(bs, 0, 1); /* bitstream_restriction_flag */
373 rbsp_trailing_bits(bs); /* rbsp_trailing_bits */
377 static void pps_rbsp(bitstream *bs)
379 bitstream_put_ue(bs, pic_param.pic_parameter_set_id); /* pic_parameter_set_id */
380 bitstream_put_ue(bs, pic_param.seq_parameter_set_id); /* seq_parameter_set_id */
382 bitstream_put_ui(bs, pic_param.pic_fields.bits.entropy_coding_mode_flag, 1); /* entropy_coding_mode_flag */
384 bitstream_put_ui(bs, 0, 1); /* pic_order_present_flag: 0 */
386 bitstream_put_ue(bs, 0); /* num_slice_groups_minus1 */
388 bitstream_put_ue(bs, pic_param.num_ref_idx_l0_active_minus1); /* num_ref_idx_l0_active_minus1 */
389 bitstream_put_ue(bs, pic_param.num_ref_idx_l1_active_minus1); /* num_ref_idx_l1_active_minus1 1 */
391 bitstream_put_ui(bs, pic_param.pic_fields.bits.weighted_pred_flag, 1); /* weighted_pred_flag: 0 */
392 bitstream_put_ui(bs, pic_param.pic_fields.bits.weighted_bipred_idc, 2); /* weighted_bipred_idc: 0 */
394 bitstream_put_se(bs, pic_param.pic_init_qp - 26); /* pic_init_qp_minus26 */
395 bitstream_put_se(bs, 0); /* pic_init_qs_minus26 */
396 bitstream_put_se(bs, 0); /* chroma_qp_index_offset */
398 bitstream_put_ui(bs, pic_param.pic_fields.bits.deblocking_filter_control_present_flag, 1); /* deblocking_filter_control_present_flag */
399 bitstream_put_ui(bs, 0, 1); /* constrained_intra_pred_flag */
400 bitstream_put_ui(bs, 0, 1); /* redundant_pic_cnt_present_flag */
403 bitstream_put_ui(bs, pic_param.pic_fields.bits.transform_8x8_mode_flag, 1); /*transform_8x8_mode_flag */
404 bitstream_put_ui(bs, 0, 1); /* pic_scaling_matrix_present_flag */
405 bitstream_put_se(bs, pic_param.second_chroma_qp_index_offset ); /*second_chroma_qp_index_offset */
407 rbsp_trailing_bits(bs);
410 static void slice_header(bitstream *bs)
412 int first_mb_in_slice = slice_param.macroblock_address;
414 bitstream_put_ue(bs, first_mb_in_slice); /* first_mb_in_slice: 0 */
415 bitstream_put_ue(bs, slice_param.slice_type); /* slice_type */
416 bitstream_put_ue(bs, slice_param.pic_parameter_set_id); /* pic_parameter_set_id: 0 */
417 bitstream_put_ui(bs, pic_param.frame_num, seq_param.seq_fields.bits.log2_max_frame_num_minus4 + 4); /* frame_num */
419 /* frame_mbs_only_flag == 1 */
420 if (!seq_param.seq_fields.bits.frame_mbs_only_flag) {
425 if (pic_param.pic_fields.bits.idr_pic_flag)
426 bitstream_put_ue(bs, slice_param.idr_pic_id); /* idr_pic_id: 0 */
428 if (seq_param.seq_fields.bits.pic_order_cnt_type == 0) {
429 bitstream_put_ui(bs, pic_param.CurrPic.TopFieldOrderCnt, seq_param.seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 + 4);
430 /* pic_order_present_flag == 0 */
436 /* redundant_pic_cnt_present_flag == 0 */
438 if (IS_P_SLICE(slice_param.slice_type)) {
439 bitstream_put_ui(bs, slice_param.num_ref_idx_active_override_flag, 1); /* num_ref_idx_active_override_flag: */
441 if (slice_param.num_ref_idx_active_override_flag)
442 bitstream_put_ue(bs, slice_param.num_ref_idx_l0_active_minus1);
444 /* ref_pic_list_reordering */
445 bitstream_put_ui(bs, 0, 1); /* ref_pic_list_reordering_flag_l0: 0 */
446 } else if (IS_B_SLICE(slice_param.slice_type)) {
447 bitstream_put_ui(bs, slice_param.direct_spatial_mv_pred_flag, 1); /* direct_spatial_mv_pred: 1 */
449 bitstream_put_ui(bs, slice_param.num_ref_idx_active_override_flag, 1); /* num_ref_idx_active_override_flag: */
451 if (slice_param.num_ref_idx_active_override_flag) {
452 bitstream_put_ue(bs, slice_param.num_ref_idx_l0_active_minus1);
453 bitstream_put_ue(bs, slice_param.num_ref_idx_l1_active_minus1);
456 /* ref_pic_list_reordering */
457 bitstream_put_ui(bs, 0, 1); /* ref_pic_list_reordering_flag_l0: 0 */
458 bitstream_put_ui(bs, 0, 1); /* ref_pic_list_reordering_flag_l1: 0 */
461 if ((pic_param.pic_fields.bits.weighted_pred_flag &&
462 IS_P_SLICE(slice_param.slice_type)) ||
463 ((pic_param.pic_fields.bits.weighted_bipred_idc == 1) &&
464 IS_B_SLICE(slice_param.slice_type))) {
465 /* FIXME: fill weight/offset table */
469 /* dec_ref_pic_marking */
470 if (pic_param.pic_fields.bits.reference_pic_flag) { /* nal_ref_idc != 0 */
471 unsigned char no_output_of_prior_pics_flag = 0;
472 unsigned char long_term_reference_flag = 0;
473 unsigned char adaptive_ref_pic_marking_mode_flag = 0;
475 if (pic_param.pic_fields.bits.idr_pic_flag) {
476 bitstream_put_ui(bs, no_output_of_prior_pics_flag, 1); /* no_output_of_prior_pics_flag: 0 */
477 bitstream_put_ui(bs, long_term_reference_flag, 1); /* long_term_reference_flag: 0 */
479 bitstream_put_ui(bs, adaptive_ref_pic_marking_mode_flag, 1); /* adaptive_ref_pic_marking_mode_flag: 0 */
483 if (pic_param.pic_fields.bits.entropy_coding_mode_flag &&
484 !IS_I_SLICE(slice_param.slice_type))
485 bitstream_put_ue(bs, slice_param.cabac_init_idc); /* cabac_init_idc: 0 */
487 bitstream_put_se(bs, slice_param.slice_qp_delta); /* slice_qp_delta: 0 */
489 /* ignore for SP/SI */
491 if (pic_param.pic_fields.bits.deblocking_filter_control_present_flag) {
492 bitstream_put_ue(bs, slice_param.disable_deblocking_filter_idc); /* disable_deblocking_filter_idc: 0 */
494 if (slice_param.disable_deblocking_filter_idc != 1) {
495 bitstream_put_se(bs, slice_param.slice_alpha_c0_offset_div2); /* slice_alpha_c0_offset_div2: 2 */
496 bitstream_put_se(bs, slice_param.slice_beta_offset_div2); /* slice_beta_offset_div2: 2 */
500 if (pic_param.pic_fields.bits.entropy_coding_mode_flag) {
501 bitstream_byte_aligning(bs, 1);
506 build_packed_pic_buffer(unsigned char **header_buffer)
510 bitstream_start(&bs);
511 nal_start_code_prefix(&bs);
512 nal_header(&bs, NAL_REF_IDC_HIGH, NAL_PPS);
516 *header_buffer = (unsigned char *)bs.buffer;
517 return bs.bit_offset;
521 build_packed_seq_buffer(unsigned char **header_buffer)
525 bitstream_start(&bs);
526 nal_start_code_prefix(&bs);
527 nal_header(&bs, NAL_REF_IDC_HIGH, NAL_SPS);
531 *header_buffer = (unsigned char *)bs.buffer;
532 return bs.bit_offset;
535 static int build_packed_slice_buffer(unsigned char **header_buffer)
538 int is_idr = !!pic_param.pic_fields.bits.idr_pic_flag;
539 int is_ref = !!pic_param.pic_fields.bits.reference_pic_flag;
541 bitstream_start(&bs);
542 nal_start_code_prefix(&bs);
544 if (IS_I_SLICE(slice_param.slice_type)) {
545 nal_header(&bs, NAL_REF_IDC_HIGH, is_idr ? NAL_IDR : NAL_NON_IDR);
546 } else if (IS_P_SLICE(slice_param.slice_type)) {
547 nal_header(&bs, NAL_REF_IDC_MEDIUM, NAL_NON_IDR);
549 assert(IS_B_SLICE(slice_param.slice_type));
550 nal_header(&bs, is_ref ? NAL_REF_IDC_LOW : NAL_REF_IDC_NONE, NAL_NON_IDR);
556 *header_buffer = (unsigned char *)bs.buffer;
557 return bs.bit_offset;
562 Assume frame sequence is: Frame#0, #1, #2, ..., #M, ..., #X, ... (encoding order)
563 1) period between Frame #X and Frame #N = #X - #N
564 2) 0 means infinite for intra_period/intra_idr_period, and 0 is invalid for ip_period
565 3) intra_idr_period % intra_period (intra_period > 0) and intra_period % ip_period must be 0
566 4) intra_period and intra_idr_period take precedence over ip_period
567 5) if ip_period > 1, intra_period and intra_idr_period are not the strict periods
568 of I/IDR frames, see bellow examples
569 -------------------------------------------------------------------
570 intra_period intra_idr_period ip_period frame sequence (intra_period/intra_idr_period/ip_period)
571 0 ignored 1 IDRPPPPPPP ... (No IDR/I any more)
572 0 ignored >=2 IDR(PBB)(PBB)... (No IDR/I any more)
573 1 0 ignored IDRIIIIIII... (No IDR any more)
574 1 1 ignored IDR IDR IDR IDR...
575 1 >=2 ignored IDRII IDRII IDR... (1/3/ignore)
576 >=2 0 1 IDRPPP IPPP I... (3/0/1)
577 >=2 0 >=2 IDR(PBB)(PBB)(IBB) (6/0/3)
578 (PBB)(IBB)(PBB)(IBB)...
579 >=2 >=2 1 IDRPPPPP IPPPPP IPPPPP (6/18/1)
580 IDRPPPPP IPPPPP IPPPPP...
581 >=2 >=2 >=2 {IDR(PBB)(PBB)(IBB)(PBB)(IBB)(PBB)} (6/18/3)
582 {IDR(PBB)(PBB)(IBB)(PBB)(IBB)(PBB)}...
583 {IDR(PBB)(PBB)(IBB)(PBB)} (6/12/3)
584 {IDR(PBB)(PBB)(IBB)(PBB)}...
585 {IDR(PBB)(PBB)} (6/6/3)
589 // General pts/dts strategy:
591 // Getting pts and dts right with variable frame rate (VFR) and B-frames can be a
592 // bit tricky. We assume first of all that the frame rate never goes _above_
593 // <frame_rate>, which gives us a frame period N. The decoder can always decode
594 // in at least this speed, as long at dts <= pts (the frame is not attempted
595 // presented before it is decoded). Furthermore, we never have longer chains of
596 // B-frames than a fixed constant C. (In a B-frame chain, we say that the base
597 // I/P-frame has order O=0, the B-frame depending on it directly has order O=1,
598 // etc. The last frame in the chain, which no B-frames depend on, is the “tip”
599 // frame, with an order O <= C.)
601 // Many strategies are possible, but we establish these rules:
603 // - Tip frames have dts = pts - (C-O)*N.
604 // - Non-tip frames have dts = dts_last + N.
606 // An example, with C=2 and N=10 and the data flow showed with arrows:
609 // pts: 30 40 50 60 70 80
611 // dts: 10 30 20 60 50←40
616 // To show that this works fine also with irregular spacings, let's say that
617 // the third frame is delayed a bit (something earlier was dropped). Now the
618 // situation looks like this:
621 // pts: 30 40 80 90 100 110
623 // dts: 10 30 20 90 50←40
628 // The resetting on every tip frame makes sure dts never ends up lagging a lot
629 // behind pts, and the subtraction of (C-O)*N makes sure pts <= dts.
631 // In the output of this function, if <dts_lag> is >= 0, it means to reset the
632 // dts from the current pts minus <dts_lag>, while if it's -1, the frame is not
633 // a tip frame and should be given a dts based on the previous one.
638 void encoding2display_order(
639 unsigned long long encoding_order, int intra_period,
640 int intra_idr_period, int ip_period,
641 unsigned long long *displaying_order,
642 int *frame_type, int *pts_lag)
644 int encoding_order_gop = 0;
648 if (intra_period == 1) { /* all are I/IDR frames */
649 *displaying_order = encoding_order;
650 if (intra_idr_period == 0)
651 *frame_type = (encoding_order == 0)?FRAME_IDR:FRAME_I;
653 *frame_type = (encoding_order % intra_idr_period == 0)?FRAME_IDR:FRAME_I;
657 if (intra_period == 0)
658 intra_idr_period = 0;
660 if (ip_period == 1) {
661 // No B-frames, sequence is like IDR PPPPP IPPPPP.
662 encoding_order_gop = (intra_idr_period == 0) ? encoding_order : (encoding_order % intra_idr_period);
663 *displaying_order = encoding_order;
665 if (encoding_order_gop == 0) { /* the first frame */
666 *frame_type = FRAME_IDR;
667 } else if (intra_period != 0 && /* have I frames */
668 encoding_order_gop >= 2 &&
669 (encoding_order_gop % intra_period == 0)) {
670 *frame_type = FRAME_I;
672 *frame_type = FRAME_P;
677 // We have B-frames. Sequence is like IDR (PBB)(PBB)(IBB)(PBB).
678 encoding_order_gop = (intra_idr_period == 0) ? encoding_order : (encoding_order % (intra_idr_period + 1));
679 *pts_lag = -1; // Most frames are not tip frames.
681 if (encoding_order_gop == 0) { /* the first frame */
682 *frame_type = FRAME_IDR;
683 *displaying_order = encoding_order;
684 // IDR frames are a special case; I honestly can't find the logic behind
685 // why this is the right thing, but it seems to line up nicely in practice :-)
686 *pts_lag = TIMEBASE / frame_rate;
687 } else if (((encoding_order_gop - 1) % ip_period) != 0) { /* B frames */
688 *frame_type = FRAME_B;
689 *displaying_order = encoding_order - 1;
690 if ((encoding_order_gop % ip_period) == 0) {
691 *pts_lag = 0; // Last B-frame.
693 } else if (intra_period != 0 && /* have I frames */
694 encoding_order_gop >= 2 &&
695 ((encoding_order_gop - 1) / ip_period % (intra_period / ip_period)) == 0) {
696 *frame_type = FRAME_I;
697 *displaying_order = encoding_order + ip_period - 1;
699 *frame_type = FRAME_P;
700 *displaying_order = encoding_order + ip_period - 1;
705 static const char *rc_to_string(int rcmode)
718 case VA_RC_VBR_CONSTRAINED:
719 return "VBR_CONSTRAINED";
726 static int process_cmdline(int argc, char *argv[])
729 const struct option long_opts[] = {
730 {"help", no_argument, NULL, 0 },
731 {"bitrate", required_argument, NULL, 1 },
732 {"minqp", required_argument, NULL, 2 },
733 {"initialqp", required_argument, NULL, 3 },
734 {"intra_period", required_argument, NULL, 4 },
735 {"idr_period", required_argument, NULL, 5 },
736 {"ip_period", required_argument, NULL, 6 },
737 {"rcmode", required_argument, NULL, 7 },
738 {"srcyuv", required_argument, NULL, 9 },
739 {"recyuv", required_argument, NULL, 10 },
740 {"fourcc", required_argument, NULL, 11 },
741 {"syncmode", no_argument, NULL, 12 },
742 {"enablePSNR", no_argument, NULL, 13 },
743 {"prit", required_argument, NULL, 14 },
744 {"priv", required_argument, NULL, 15 },
745 {"framecount", required_argument, NULL, 16 },
746 {"entropy", required_argument, NULL, 17 },
747 {"profile", required_argument, NULL, 18 },
748 {NULL, no_argument, NULL, 0 }};
751 while ((c =getopt_long_only(argc, argv, "w:h:n:f:o:?", long_opts, &long_index)) != EOF) {
754 frame_width = atoi(optarg);
757 frame_height = atoi(optarg);
761 frame_rate = atoi(optarg);
764 coded_fn = strdup(optarg);
770 frame_bitrate = atoi(optarg);
773 minimal_qp = atoi(optarg);
776 initial_qp = atoi(optarg);
779 intra_period = atoi(optarg);
782 intra_idr_period = atoi(optarg);
785 ip_period = atoi(optarg);
788 rc_mode = string_to_rc(optarg);
795 srcyuv_fn = strdup(optarg);
798 srcyuv_fourcc = string_to_fourcc(optarg);
799 if (srcyuv_fourcc <= 0) {
808 misc_priv_type = strtol(optarg, NULL, 0);
811 misc_priv_value = strtol(optarg, NULL, 0);
814 h264_entropy_mode = atoi(optarg) ? 1: 0;
817 if (strncmp(optarg, "BP", 2) == 0)
818 h264_profile = VAProfileH264Baseline;
819 else if (strncmp(optarg, "MP", 2) == 0)
820 h264_profile = VAProfileH264Main;
821 else if (strncmp(optarg, "HP", 2) == 0)
822 h264_profile = VAProfileH264High;
824 h264_profile = (VAProfile)0;
834 printf(" ip_period must be greater than 0\n");
837 if (intra_period != 1 && intra_period % ip_period != 0) {
838 printf(" intra_period must be a multiplier of ip_period\n");
841 if (intra_period != 0 && intra_idr_period % intra_period != 0) {
842 printf(" intra_idr_period must be a multiplier of intra_period\n");
846 if (frame_bitrate == 0)
847 frame_bitrate = frame_width * frame_height * 12 * frame_rate / 50;
849 if (coded_fn == NULL) {
851 if (stat("/tmp", &buf) == 0)
852 coded_fn = strdup("/tmp/test.264");
853 else if (stat("/sdcard", &buf) == 0)
854 coded_fn = strdup("/sdcard/test.264");
856 coded_fn = strdup("./test.264");
860 frame_width_mbaligned = (frame_width + 15) & (~15);
861 frame_height_mbaligned = (frame_height + 15) & (~15);
862 if (frame_width != frame_width_mbaligned ||
863 frame_height != frame_height_mbaligned) {
864 printf("Source frame is %dx%d and will code clip to %dx%d with crop\n",
865 frame_width, frame_height,
866 frame_width_mbaligned, frame_height_mbaligned
874 static Display *x11_display;
875 static Window x11_window;
878 va_open_display(void)
880 x11_display = XOpenDisplay(NULL);
882 fprintf(stderr, "error: can't connect to X server!\n");
885 return vaGetDisplay(x11_display);
889 va_close_display(VADisplay va_dpy)
895 XUnmapWindow(x11_display, x11_window);
896 XDestroyWindow(x11_display, x11_window);
899 XCloseDisplay(x11_display);
903 static int init_va(void)
905 VAProfile profile_list[]={VAProfileH264High, VAProfileH264Main, VAProfileH264Baseline, VAProfileH264ConstrainedBaseline};
906 VAEntrypoint *entrypoints;
907 int num_entrypoints, slice_entrypoint;
908 int support_encode = 0;
909 int major_ver, minor_ver;
913 va_dpy = va_open_display();
914 va_status = vaInitialize(va_dpy, &major_ver, &minor_ver);
915 CHECK_VASTATUS(va_status, "vaInitialize");
917 num_entrypoints = vaMaxNumEntrypoints(va_dpy);
918 entrypoints = (VAEntrypoint *)malloc(num_entrypoints * sizeof(*entrypoints));
920 fprintf(stderr, "error: failed to initialize VA entrypoints array\n");
924 /* use the highest profile */
925 for (i = 0; i < sizeof(profile_list)/sizeof(profile_list[0]); i++) {
926 if ((h264_profile != ~0) && h264_profile != profile_list[i])
929 h264_profile = profile_list[i];
930 vaQueryConfigEntrypoints(va_dpy, h264_profile, entrypoints, &num_entrypoints);
931 for (slice_entrypoint = 0; slice_entrypoint < num_entrypoints; slice_entrypoint++) {
932 if (entrypoints[slice_entrypoint] == VAEntrypointEncSlice) {
937 if (support_encode == 1)
941 if (support_encode == 0) {
942 printf("Can't find VAEntrypointEncSlice for H264 profiles\n");
945 switch (h264_profile) {
946 case VAProfileH264Baseline:
947 printf("Use profile VAProfileH264Baseline\n");
949 constraint_set_flag |= (1 << 0); /* Annex A.2.1 */
950 h264_entropy_mode = 0;
952 case VAProfileH264ConstrainedBaseline:
953 printf("Use profile VAProfileH264ConstrainedBaseline\n");
954 constraint_set_flag |= (1 << 0 | 1 << 1); /* Annex A.2.2 */
958 case VAProfileH264Main:
959 printf("Use profile VAProfileH264Main\n");
960 constraint_set_flag |= (1 << 1); /* Annex A.2.2 */
963 case VAProfileH264High:
964 constraint_set_flag |= (1 << 3); /* Annex A.2.4 */
965 printf("Use profile VAProfileH264High\n");
968 printf("unknow profile. Set to Baseline");
969 h264_profile = VAProfileH264Baseline;
971 constraint_set_flag |= (1 << 0); /* Annex A.2.1 */
976 VAConfigAttrib attrib[VAConfigAttribTypeMax];
978 /* find out the format for the render target, and rate control mode */
979 for (i = 0; i < VAConfigAttribTypeMax; i++)
980 attrib[i].type = (VAConfigAttribType)i;
982 va_status = vaGetConfigAttributes(va_dpy, h264_profile, VAEntrypointEncSlice,
983 &attrib[0], VAConfigAttribTypeMax);
984 CHECK_VASTATUS(va_status, "vaGetConfigAttributes");
985 /* check the interested configattrib */
986 if ((attrib[VAConfigAttribRTFormat].value & VA_RT_FORMAT_YUV420) == 0) {
987 printf("Not find desired YUV420 RT format\n");
990 config_attrib[config_attrib_num].type = VAConfigAttribRTFormat;
991 config_attrib[config_attrib_num].value = VA_RT_FORMAT_YUV420;
995 if (attrib[VAConfigAttribRateControl].value != VA_ATTRIB_NOT_SUPPORTED) {
996 int tmp = attrib[VAConfigAttribRateControl].value;
998 printf("Support rate control mode (0x%x):", tmp);
1000 if (tmp & VA_RC_NONE)
1002 if (tmp & VA_RC_CBR)
1004 if (tmp & VA_RC_VBR)
1006 if (tmp & VA_RC_VCM)
1008 if (tmp & VA_RC_CQP)
1010 if (tmp & VA_RC_VBR_CONSTRAINED)
1011 printf("VBR_CONSTRAINED ");
1015 if (rc_mode == -1 || !(rc_mode & tmp)) {
1016 if (rc_mode != -1) {
1017 printf("Warning: Don't support the specified RateControl mode: %s!!!, switch to ", rc_to_string(rc_mode));
1020 for (i = 0; i < sizeof(rc_default_modes) / sizeof(rc_default_modes[0]); i++) {
1021 if (rc_default_modes[i] & tmp) {
1022 rc_mode = rc_default_modes[i];
1027 printf("RateControl mode: %s\n", rc_to_string(rc_mode));
1030 config_attrib[config_attrib_num].type = VAConfigAttribRateControl;
1031 config_attrib[config_attrib_num].value = rc_mode;
1032 config_attrib_num++;
1036 if (attrib[VAConfigAttribEncPackedHeaders].value != VA_ATTRIB_NOT_SUPPORTED) {
1037 int tmp = attrib[VAConfigAttribEncPackedHeaders].value;
1039 printf("Support VAConfigAttribEncPackedHeaders\n");
1041 h264_packedheader = 1;
1042 config_attrib[config_attrib_num].type = VAConfigAttribEncPackedHeaders;
1043 config_attrib[config_attrib_num].value = VA_ENC_PACKED_HEADER_NONE;
1045 if (tmp & VA_ENC_PACKED_HEADER_SEQUENCE) {
1046 printf("Support packed sequence headers\n");
1047 config_attrib[config_attrib_num].value |= VA_ENC_PACKED_HEADER_SEQUENCE;
1050 if (tmp & VA_ENC_PACKED_HEADER_PICTURE) {
1051 printf("Support packed picture headers\n");
1052 config_attrib[config_attrib_num].value |= VA_ENC_PACKED_HEADER_PICTURE;
1055 if (tmp & VA_ENC_PACKED_HEADER_SLICE) {
1056 printf("Support packed slice headers\n");
1057 config_attrib[config_attrib_num].value |= VA_ENC_PACKED_HEADER_SLICE;
1060 if (tmp & VA_ENC_PACKED_HEADER_MISC) {
1061 printf("Support packed misc headers\n");
1062 config_attrib[config_attrib_num].value |= VA_ENC_PACKED_HEADER_MISC;
1065 enc_packed_header_idx = config_attrib_num;
1066 config_attrib_num++;
1069 if (attrib[VAConfigAttribEncInterlaced].value != VA_ATTRIB_NOT_SUPPORTED) {
1070 int tmp = attrib[VAConfigAttribEncInterlaced].value;
1072 printf("Support VAConfigAttribEncInterlaced\n");
1074 if (tmp & VA_ENC_INTERLACED_FRAME)
1075 printf("support VA_ENC_INTERLACED_FRAME\n");
1076 if (tmp & VA_ENC_INTERLACED_FIELD)
1077 printf("Support VA_ENC_INTERLACED_FIELD\n");
1078 if (tmp & VA_ENC_INTERLACED_MBAFF)
1079 printf("Support VA_ENC_INTERLACED_MBAFF\n");
1080 if (tmp & VA_ENC_INTERLACED_PAFF)
1081 printf("Support VA_ENC_INTERLACED_PAFF\n");
1083 config_attrib[config_attrib_num].type = VAConfigAttribEncInterlaced;
1084 config_attrib[config_attrib_num].value = VA_ENC_PACKED_HEADER_NONE;
1085 config_attrib_num++;
1088 if (attrib[VAConfigAttribEncMaxRefFrames].value != VA_ATTRIB_NOT_SUPPORTED) {
1089 h264_maxref = attrib[VAConfigAttribEncMaxRefFrames].value;
1091 printf("Support %d RefPicList0 and %d RefPicList1\n",
1092 h264_maxref & 0xffff, (h264_maxref >> 16) & 0xffff );
1095 if (attrib[VAConfigAttribEncMaxSlices].value != VA_ATTRIB_NOT_SUPPORTED)
1096 printf("Support %d slices\n", attrib[VAConfigAttribEncMaxSlices].value);
1098 if (attrib[VAConfigAttribEncSliceStructure].value != VA_ATTRIB_NOT_SUPPORTED) {
1099 int tmp = attrib[VAConfigAttribEncSliceStructure].value;
1101 printf("Support VAConfigAttribEncSliceStructure\n");
1103 if (tmp & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS)
1104 printf("Support VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS\n");
1105 if (tmp & VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS)
1106 printf("Support VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS\n");
1107 if (tmp & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS)
1108 printf("Support VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS\n");
1110 if (attrib[VAConfigAttribEncMacroblockInfo].value != VA_ATTRIB_NOT_SUPPORTED) {
1111 printf("Support VAConfigAttribEncMacroblockInfo\n");
1118 static int setup_encode()
1121 VASurfaceID *tmp_surfaceid;
1122 int codedbuf_size, i;
1123 static VASurfaceID src_surface[SURFACE_NUM];
1124 static VASurfaceID ref_surface[SURFACE_NUM];
1126 va_status = vaCreateConfig(va_dpy, h264_profile, VAEntrypointEncSlice,
1127 &config_attrib[0], config_attrib_num, &config_id);
1128 CHECK_VASTATUS(va_status, "vaCreateConfig");
1130 /* create source surfaces */
1131 va_status = vaCreateSurfaces(va_dpy,
1132 VA_RT_FORMAT_YUV420, frame_width_mbaligned, frame_height_mbaligned,
1133 &src_surface[0], SURFACE_NUM,
1135 CHECK_VASTATUS(va_status, "vaCreateSurfaces");
1137 /* create reference surfaces */
1138 va_status = vaCreateSurfaces(va_dpy,
1139 VA_RT_FORMAT_YUV420, frame_width_mbaligned, frame_height_mbaligned,
1140 &ref_surface[0], SURFACE_NUM,
1142 CHECK_VASTATUS(va_status, "vaCreateSurfaces");
1144 tmp_surfaceid = (VASurfaceID *)calloc(2 * SURFACE_NUM, sizeof(VASurfaceID));
1145 memcpy(tmp_surfaceid, src_surface, SURFACE_NUM * sizeof(VASurfaceID));
1146 memcpy(tmp_surfaceid + SURFACE_NUM, ref_surface, SURFACE_NUM * sizeof(VASurfaceID));
1148 /* Create a context for this encode pipe */
1149 va_status = vaCreateContext(va_dpy, config_id,
1150 frame_width_mbaligned, frame_height_mbaligned,
1152 tmp_surfaceid, 2 * SURFACE_NUM,
1154 CHECK_VASTATUS(va_status, "vaCreateContext");
1155 free(tmp_surfaceid);
1157 codedbuf_size = (frame_width_mbaligned * frame_height_mbaligned * 400) / (16*16);
1159 for (i = 0; i < SURFACE_NUM; i++) {
1160 /* create coded buffer once for all
1161 * other VA buffers which won't be used again after vaRenderPicture.
1162 * so APP can always vaCreateBuffer for every frame
1163 * but coded buffer need to be mapped and accessed after vaRenderPicture/vaEndPicture
1164 * so VA won't maintain the coded buffer
1166 va_status = vaCreateBuffer(va_dpy, context_id, VAEncCodedBufferType,
1167 codedbuf_size, 1, NULL, &gl_surfaces[i].coded_buf);
1168 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1171 /* create OpenGL objects */
1172 //glGenFramebuffers(SURFACE_NUM, fbos);
1174 for (i = 0; i < SURFACE_NUM; i++) {
1175 glGenTextures(1, &gl_surfaces[i].y_tex);
1176 glGenTextures(1, &gl_surfaces[i].cbcr_tex);
1179 for (i = 0; i < SURFACE_NUM; i++) {
1180 gl_surfaces[i].src_surface = src_surface[i];
1181 gl_surfaces[i].ref_surface = ref_surface[i];
1189 #define partition(ref, field, key, ascending) \
1192 while (ref[i].field < key) \
1194 while (ref[j].field > key) \
1197 while (ref[i].field > key) \
1199 while (ref[j].field < key) \
1211 static void sort_one(VAPictureH264 ref[], int left, int right,
1212 int ascending, int frame_idx)
1214 int i = left, j = right;
1219 key = ref[(left + right) / 2].frame_idx;
1220 partition(ref, frame_idx, key, ascending);
1222 key = ref[(left + right) / 2].TopFieldOrderCnt;
1223 partition(ref, TopFieldOrderCnt, (signed int)key, ascending);
1228 sort_one(ref, left, j, ascending, frame_idx);
1231 sort_one(ref, i, right, ascending, frame_idx);
1234 static void sort_two(VAPictureH264 ref[], int left, int right, unsigned int key, unsigned int frame_idx,
1235 int partition_ascending, int list0_ascending, int list1_ascending)
1237 int i = left, j = right;
1241 partition(ref, frame_idx, key, partition_ascending);
1243 partition(ref, TopFieldOrderCnt, (signed int)key, partition_ascending);
1247 sort_one(ref, left, i-1, list0_ascending, frame_idx);
1248 sort_one(ref, j+1, right, list1_ascending, frame_idx);
1251 static int update_ReferenceFrames(void)
1255 if (current_frame_type == FRAME_B)
1258 CurrentCurrPic.flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE;
1260 if (numShortTerm > num_ref_frames)
1261 numShortTerm = num_ref_frames;
1262 for (i=numShortTerm-1; i>0; i--)
1263 ReferenceFrames[i] = ReferenceFrames[i-1];
1264 ReferenceFrames[0] = CurrentCurrPic;
1266 if (current_frame_type != FRAME_B)
1267 current_frame_num++;
1268 if (current_frame_num > MaxFrameNum)
1269 current_frame_num = 0;
1275 static int update_RefPicList(void)
1277 unsigned int current_poc = CurrentCurrPic.TopFieldOrderCnt;
1279 if (current_frame_type == FRAME_P) {
1280 memcpy(RefPicList0_P, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
1281 sort_one(RefPicList0_P, 0, numShortTerm-1, 0, 1);
1284 if (current_frame_type == FRAME_B) {
1285 memcpy(RefPicList0_B, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
1286 sort_two(RefPicList0_B, 0, numShortTerm-1, current_poc, 0,
1289 memcpy(RefPicList1_B, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
1290 sort_two(RefPicList1_B, 0, numShortTerm-1, current_poc, 0,
1298 static int render_sequence(void)
1300 VABufferID seq_param_buf, rc_param_buf, misc_param_tmpbuf, render_id[2];
1302 VAEncMiscParameterBuffer *misc_param, *misc_param_tmp;
1303 VAEncMiscParameterRateControl *misc_rate_ctrl;
1305 seq_param.level_idc = 41 /*SH_LEVEL_3*/;
1306 seq_param.picture_width_in_mbs = frame_width_mbaligned / 16;
1307 seq_param.picture_height_in_mbs = frame_height_mbaligned / 16;
1308 seq_param.bits_per_second = frame_bitrate;
1310 seq_param.intra_period = intra_period;
1311 seq_param.intra_idr_period = intra_idr_period;
1312 seq_param.ip_period = ip_period;
1314 seq_param.max_num_ref_frames = num_ref_frames;
1315 seq_param.seq_fields.bits.frame_mbs_only_flag = 1;
1316 seq_param.time_scale = TIMEBASE * 2;
1317 seq_param.num_units_in_tick = 1; /* Tc = num_units_in_tick / scale */
1318 seq_param.seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 = Log2MaxPicOrderCntLsb - 4;
1319 seq_param.seq_fields.bits.log2_max_frame_num_minus4 = Log2MaxFrameNum - 4;;
1320 seq_param.seq_fields.bits.frame_mbs_only_flag = 1;
1321 seq_param.seq_fields.bits.chroma_format_idc = 1;
1322 seq_param.seq_fields.bits.direct_8x8_inference_flag = 1;
1324 if (frame_width != frame_width_mbaligned ||
1325 frame_height != frame_height_mbaligned) {
1326 seq_param.frame_cropping_flag = 1;
1327 seq_param.frame_crop_left_offset = 0;
1328 seq_param.frame_crop_right_offset = (frame_width_mbaligned - frame_width)/2;
1329 seq_param.frame_crop_top_offset = 0;
1330 seq_param.frame_crop_bottom_offset = (frame_height_mbaligned - frame_height)/2;
1333 va_status = vaCreateBuffer(va_dpy, context_id,
1334 VAEncSequenceParameterBufferType,
1335 sizeof(seq_param), 1, &seq_param, &seq_param_buf);
1336 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1338 va_status = vaCreateBuffer(va_dpy, context_id,
1339 VAEncMiscParameterBufferType,
1340 sizeof(VAEncMiscParameterBuffer) + sizeof(VAEncMiscParameterRateControl),
1341 1, NULL, &rc_param_buf);
1342 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1344 vaMapBuffer(va_dpy, rc_param_buf, (void **)&misc_param);
1345 misc_param->type = VAEncMiscParameterTypeRateControl;
1346 misc_rate_ctrl = (VAEncMiscParameterRateControl *)misc_param->data;
1347 memset(misc_rate_ctrl, 0, sizeof(*misc_rate_ctrl));
1348 misc_rate_ctrl->bits_per_second = frame_bitrate;
1349 misc_rate_ctrl->target_percentage = 66;
1350 misc_rate_ctrl->window_size = 1000;
1351 misc_rate_ctrl->initial_qp = initial_qp;
1352 misc_rate_ctrl->min_qp = minimal_qp;
1353 misc_rate_ctrl->basic_unit_size = 0;
1354 vaUnmapBuffer(va_dpy, rc_param_buf);
1356 render_id[0] = seq_param_buf;
1357 render_id[1] = rc_param_buf;
1359 va_status = vaRenderPicture(va_dpy, context_id, &render_id[0], 2);
1360 CHECK_VASTATUS(va_status, "vaRenderPicture");;
1362 if (misc_priv_type != 0) {
1363 va_status = vaCreateBuffer(va_dpy, context_id,
1364 VAEncMiscParameterBufferType,
1365 sizeof(VAEncMiscParameterBuffer),
1366 1, NULL, &misc_param_tmpbuf);
1367 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1368 vaMapBuffer(va_dpy, misc_param_tmpbuf, (void **)&misc_param_tmp);
1369 misc_param_tmp->type = (VAEncMiscParameterType)misc_priv_type;
1370 misc_param_tmp->data[0] = misc_priv_value;
1371 vaUnmapBuffer(va_dpy, misc_param_tmpbuf);
1373 va_status = vaRenderPicture(va_dpy, context_id, &misc_param_tmpbuf, 1);
1379 static int calc_poc(int pic_order_cnt_lsb)
1381 static int PicOrderCntMsb_ref = 0, pic_order_cnt_lsb_ref = 0;
1382 int prevPicOrderCntMsb, prevPicOrderCntLsb;
1383 int PicOrderCntMsb, TopFieldOrderCnt;
1385 if (current_frame_type == FRAME_IDR)
1386 prevPicOrderCntMsb = prevPicOrderCntLsb = 0;
1388 prevPicOrderCntMsb = PicOrderCntMsb_ref;
1389 prevPicOrderCntLsb = pic_order_cnt_lsb_ref;
1392 if ((pic_order_cnt_lsb < prevPicOrderCntLsb) &&
1393 ((prevPicOrderCntLsb - pic_order_cnt_lsb) >= (int)(MaxPicOrderCntLsb / 2)))
1394 PicOrderCntMsb = prevPicOrderCntMsb + MaxPicOrderCntLsb;
1395 else if ((pic_order_cnt_lsb > prevPicOrderCntLsb) &&
1396 ((pic_order_cnt_lsb - prevPicOrderCntLsb) > (int)(MaxPicOrderCntLsb / 2)))
1397 PicOrderCntMsb = prevPicOrderCntMsb - MaxPicOrderCntLsb;
1399 PicOrderCntMsb = prevPicOrderCntMsb;
1401 TopFieldOrderCnt = PicOrderCntMsb + pic_order_cnt_lsb;
1403 if (current_frame_type != FRAME_B) {
1404 PicOrderCntMsb_ref = PicOrderCntMsb;
1405 pic_order_cnt_lsb_ref = pic_order_cnt_lsb;
1408 return TopFieldOrderCnt;
1411 static int render_picture(void)
1413 VABufferID pic_param_buf;
1417 pic_param.CurrPic.picture_id = gl_surfaces[current_frame_display % SURFACE_NUM].ref_surface;
1418 pic_param.CurrPic.frame_idx = current_frame_num;
1419 pic_param.CurrPic.flags = 0;
1420 pic_param.CurrPic.TopFieldOrderCnt = calc_poc((current_frame_display - current_IDR_display) % MaxPicOrderCntLsb);
1421 pic_param.CurrPic.BottomFieldOrderCnt = pic_param.CurrPic.TopFieldOrderCnt;
1422 CurrentCurrPic = pic_param.CurrPic;
1424 if (getenv("TO_DEL")) { /* set RefPicList into ReferenceFrames */
1425 update_RefPicList(); /* calc RefPicList */
1426 memset(pic_param.ReferenceFrames, 0xff, 16 * sizeof(VAPictureH264)); /* invalid all */
1427 if (current_frame_type == FRAME_P) {
1428 pic_param.ReferenceFrames[0] = RefPicList0_P[0];
1429 } else if (current_frame_type == FRAME_B) {
1430 pic_param.ReferenceFrames[0] = RefPicList0_B[0];
1431 pic_param.ReferenceFrames[1] = RefPicList1_B[0];
1434 memcpy(pic_param.ReferenceFrames, ReferenceFrames, numShortTerm*sizeof(VAPictureH264));
1435 for (i = numShortTerm; i < SURFACE_NUM; i++) {
1436 pic_param.ReferenceFrames[i].picture_id = VA_INVALID_SURFACE;
1437 pic_param.ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
1441 pic_param.pic_fields.bits.idr_pic_flag = (current_frame_type == FRAME_IDR);
1442 pic_param.pic_fields.bits.reference_pic_flag = (current_frame_type != FRAME_B);
1443 pic_param.pic_fields.bits.entropy_coding_mode_flag = h264_entropy_mode;
1444 pic_param.pic_fields.bits.deblocking_filter_control_present_flag = 1;
1445 pic_param.frame_num = current_frame_num;
1446 pic_param.coded_buf = gl_surfaces[current_frame_display % SURFACE_NUM].coded_buf;
1447 pic_param.last_picture = false; // FIXME
1448 pic_param.pic_init_qp = initial_qp;
1450 va_status = vaCreateBuffer(va_dpy, context_id, VAEncPictureParameterBufferType,
1451 sizeof(pic_param), 1, &pic_param, &pic_param_buf);
1452 CHECK_VASTATUS(va_status, "vaCreateBuffer");;
1454 va_status = vaRenderPicture(va_dpy, context_id, &pic_param_buf, 1);
1455 CHECK_VASTATUS(va_status, "vaRenderPicture");
1460 static int render_packedsequence(void)
1462 VAEncPackedHeaderParameterBuffer packedheader_param_buffer;
1463 VABufferID packedseq_para_bufid, packedseq_data_bufid, render_id[2];
1464 unsigned int length_in_bits;
1465 unsigned char *packedseq_buffer = NULL;
1468 length_in_bits = build_packed_seq_buffer(&packedseq_buffer);
1470 packedheader_param_buffer.type = VAEncPackedHeaderSequence;
1472 packedheader_param_buffer.bit_length = length_in_bits; /*length_in_bits*/
1473 packedheader_param_buffer.has_emulation_bytes = 0;
1474 va_status = vaCreateBuffer(va_dpy,
1476 VAEncPackedHeaderParameterBufferType,
1477 sizeof(packedheader_param_buffer), 1, &packedheader_param_buffer,
1478 &packedseq_para_bufid);
1479 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1481 va_status = vaCreateBuffer(va_dpy,
1483 VAEncPackedHeaderDataBufferType,
1484 (length_in_bits + 7) / 8, 1, packedseq_buffer,
1485 &packedseq_data_bufid);
1486 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1488 render_id[0] = packedseq_para_bufid;
1489 render_id[1] = packedseq_data_bufid;
1490 va_status = vaRenderPicture(va_dpy, context_id, render_id, 2);
1491 CHECK_VASTATUS(va_status, "vaRenderPicture");
1493 free(packedseq_buffer);
1499 static int render_packedpicture(void)
1501 VAEncPackedHeaderParameterBuffer packedheader_param_buffer;
1502 VABufferID packedpic_para_bufid, packedpic_data_bufid, render_id[2];
1503 unsigned int length_in_bits;
1504 unsigned char *packedpic_buffer = NULL;
1507 length_in_bits = build_packed_pic_buffer(&packedpic_buffer);
1508 packedheader_param_buffer.type = VAEncPackedHeaderPicture;
1509 packedheader_param_buffer.bit_length = length_in_bits;
1510 packedheader_param_buffer.has_emulation_bytes = 0;
1512 va_status = vaCreateBuffer(va_dpy,
1514 VAEncPackedHeaderParameterBufferType,
1515 sizeof(packedheader_param_buffer), 1, &packedheader_param_buffer,
1516 &packedpic_para_bufid);
1517 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1519 va_status = vaCreateBuffer(va_dpy,
1521 VAEncPackedHeaderDataBufferType,
1522 (length_in_bits + 7) / 8, 1, packedpic_buffer,
1523 &packedpic_data_bufid);
1524 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1526 render_id[0] = packedpic_para_bufid;
1527 render_id[1] = packedpic_data_bufid;
1528 va_status = vaRenderPicture(va_dpy, context_id, render_id, 2);
1529 CHECK_VASTATUS(va_status, "vaRenderPicture");
1531 free(packedpic_buffer);
1536 static void render_packedslice()
1538 VAEncPackedHeaderParameterBuffer packedheader_param_buffer;
1539 VABufferID packedslice_para_bufid, packedslice_data_bufid, render_id[2];
1540 unsigned int length_in_bits;
1541 unsigned char *packedslice_buffer = NULL;
1544 length_in_bits = build_packed_slice_buffer(&packedslice_buffer);
1545 packedheader_param_buffer.type = VAEncPackedHeaderSlice;
1546 packedheader_param_buffer.bit_length = length_in_bits;
1547 packedheader_param_buffer.has_emulation_bytes = 0;
1549 va_status = vaCreateBuffer(va_dpy,
1551 VAEncPackedHeaderParameterBufferType,
1552 sizeof(packedheader_param_buffer), 1, &packedheader_param_buffer,
1553 &packedslice_para_bufid);
1554 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1556 va_status = vaCreateBuffer(va_dpy,
1558 VAEncPackedHeaderDataBufferType,
1559 (length_in_bits + 7) / 8, 1, packedslice_buffer,
1560 &packedslice_data_bufid);
1561 CHECK_VASTATUS(va_status, "vaCreateBuffer");
1563 render_id[0] = packedslice_para_bufid;
1564 render_id[1] = packedslice_data_bufid;
1565 va_status = vaRenderPicture(va_dpy, context_id, render_id, 2);
1566 CHECK_VASTATUS(va_status, "vaRenderPicture");
1568 free(packedslice_buffer);
1571 static int render_slice(void)
1573 VABufferID slice_param_buf;
1577 update_RefPicList();
1579 /* one frame, one slice */
1580 slice_param.macroblock_address = 0;
1581 slice_param.num_macroblocks = frame_width_mbaligned * frame_height_mbaligned/(16*16); /* Measured by MB */
1582 slice_param.slice_type = (current_frame_type == FRAME_IDR)?2:current_frame_type;
1583 if (current_frame_type == FRAME_IDR) {
1584 if (current_frame_encoding != 0)
1585 ++slice_param.idr_pic_id;
1586 } else if (current_frame_type == FRAME_P) {
1587 int refpiclist0_max = h264_maxref & 0xffff;
1588 memcpy(slice_param.RefPicList0, RefPicList0_P, refpiclist0_max*sizeof(VAPictureH264));
1590 for (i = refpiclist0_max; i < 32; i++) {
1591 slice_param.RefPicList0[i].picture_id = VA_INVALID_SURFACE;
1592 slice_param.RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
1594 } else if (current_frame_type == FRAME_B) {
1595 int refpiclist0_max = h264_maxref & 0xffff;
1596 int refpiclist1_max = (h264_maxref >> 16) & 0xffff;
1598 memcpy(slice_param.RefPicList0, RefPicList0_B, refpiclist0_max*sizeof(VAPictureH264));
1599 for (i = refpiclist0_max; i < 32; i++) {
1600 slice_param.RefPicList0[i].picture_id = VA_INVALID_SURFACE;
1601 slice_param.RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
1604 memcpy(slice_param.RefPicList1, RefPicList1_B, refpiclist1_max*sizeof(VAPictureH264));
1605 for (i = refpiclist1_max; i < 32; i++) {
1606 slice_param.RefPicList1[i].picture_id = VA_INVALID_SURFACE;
1607 slice_param.RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
1611 slice_param.slice_alpha_c0_offset_div2 = 0;
1612 slice_param.slice_beta_offset_div2 = 0;
1613 slice_param.direct_spatial_mv_pred_flag = 1;
1614 slice_param.pic_order_cnt_lsb = (current_frame_display - current_IDR_display) % MaxPicOrderCntLsb;
1617 if (h264_packedheader &&
1618 config_attrib[enc_packed_header_idx].value & VA_ENC_PACKED_HEADER_SLICE)
1619 render_packedslice();
1621 va_status = vaCreateBuffer(va_dpy, context_id, VAEncSliceParameterBufferType,
1622 sizeof(slice_param), 1, &slice_param, &slice_param_buf);
1623 CHECK_VASTATUS(va_status, "vaCreateBuffer");;
1625 va_status = vaRenderPicture(va_dpy, context_id, &slice_param_buf, 1);
1626 CHECK_VASTATUS(va_status, "vaRenderPicture");
1633 int H264Encoder::save_codeddata(storage_task task)
1635 VACodedBufferSegment *buf_list = NULL;
1637 unsigned int coded_size = 0;
1641 const int64_t global_delay = (ip_period - 1) * (TIMEBASE / frame_rate); // So we never get negative dts.
1643 va_status = vaMapBuffer(va_dpy, gl_surfaces[task.display_order % SURFACE_NUM].coded_buf, (void **)(&buf_list));
1644 CHECK_VASTATUS(va_status, "vaMapBuffer");
1645 while (buf_list != NULL) {
1646 data.append(reinterpret_cast<const char *>(buf_list->buf), buf_list->size);
1647 buf_list = (VACodedBufferSegment *) buf_list->next;
1649 frame_size += coded_size;
1651 vaUnmapBuffer(va_dpy, gl_surfaces[task.display_order % SURFACE_NUM].coded_buf);
1656 memset(&pkt, 0, sizeof(pkt));
1658 pkt.pts = av_rescale_q(task.pts + global_delay, AVRational{1, TIMEBASE}, avstream_video->time_base);
1659 pkt.dts = av_rescale_q(task.dts + global_delay, AVRational{1, TIMEBASE}, avstream_video->time_base);
1660 pkt.data = reinterpret_cast<uint8_t *>(&data[0]);
1661 pkt.size = data.size();
1662 pkt.stream_index = 0;
1663 if (task.frame_type == FRAME_IDR || task.frame_type == FRAME_I) {
1664 pkt.flags = AV_PKT_FLAG_KEY;
1669 av_interleaved_write_frame(avctx, &pkt);
1671 // Encode and add all audio frames up to and including the pts of this video frame.
1672 // (They can never be queued to us after the video frame they belong to, only before.)
1675 std::vector<float> audio;
1677 unique_lock<mutex> lock(frame_queue_mutex);
1678 if (pending_audio_frames.empty()) break;
1679 auto it = pending_audio_frames.begin();
1680 if (it->first > task.pts) break;
1681 audio_pts = it->first;
1682 audio = move(it->second);
1683 pending_audio_frames.erase(it);
1685 AVFrame *frame = avcodec_alloc_frame();
1686 frame->nb_samples = audio.size() / 2;
1687 frame->format = AV_SAMPLE_FMT_FLT;
1688 frame->channel_layout = AV_CH_LAYOUT_STEREO;
1690 unique_ptr<float[]> planar_samples(new float[audio.size()]);
1691 avcodec_fill_audio_frame(frame, 2, AV_SAMPLE_FMT_FLTP, (const uint8_t*)planar_samples.get(), audio.size() * sizeof(float), 0);
1692 for (int i = 0; i < frame->nb_samples; ++i) {
1693 planar_samples[i] = audio[i * 2 + 0];
1694 planar_samples[i + frame->nb_samples] = audio[i * 2 + 1];
1698 av_init_packet(&pkt);
1702 avcodec_encode_audio2(avstream_audio->codec, &pkt, frame, &got_output);
1704 pkt.pts = av_rescale_q(audio_pts + global_delay, AVRational{1, TIMEBASE}, avstream_audio->time_base);
1706 pkt.stream_index = 1;
1707 av_interleaved_write_frame(avctx, &pkt);
1709 // TODO: Delayed frames.
1710 avcodec_free_frame(&frame);
1714 printf("\r "); /* return back to startpoint */
1715 switch (encode_order % 4) {
1729 printf("%08lld", encode_order);
1730 printf("(%06d bytes coded)", coded_size);
1737 // this is weird. but it seems to put a new frame onto the queue
1738 void H264Encoder::storage_task_enqueue(storage_task task)
1740 std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
1741 storage_task_queue.push(move(task));
1742 srcsurface_status[task.display_order % SURFACE_NUM] = SRC_SURFACE_IN_ENCODING;
1743 storage_task_queue_changed.notify_all();
1746 void H264Encoder::storage_task_thread()
1749 storage_task current;
1751 // wait until there's an encoded frame
1752 std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
1753 storage_task_queue_changed.wait(lock, [this]{ return storage_thread_should_quit || !storage_task_queue.empty(); });
1754 if (storage_thread_should_quit) return;
1755 current = move(storage_task_queue.front());
1756 storage_task_queue.pop();
1761 // waits for data, then saves it to disk.
1762 va_status = vaSyncSurface(va_dpy, gl_surfaces[current.display_order % SURFACE_NUM].src_surface);
1763 CHECK_VASTATUS(va_status, "vaSyncSurface");
1764 save_codeddata(move(current));
1767 std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
1768 srcsurface_status[current.display_order % SURFACE_NUM] = SRC_SURFACE_FREE;
1769 storage_task_queue_changed.notify_all();
1774 static int release_encode()
1778 for (i = 0; i < SURFACE_NUM; i++) {
1779 vaDestroyBuffer(va_dpy, gl_surfaces[i].coded_buf);
1780 vaDestroySurfaces(va_dpy, &gl_surfaces[i].src_surface, 1);
1781 vaDestroySurfaces(va_dpy, &gl_surfaces[i].ref_surface, 1);
1784 vaDestroyContext(va_dpy, context_id);
1785 vaDestroyConfig(va_dpy, config_id);
1790 static int deinit_va()
1792 vaTerminate(va_dpy);
1794 va_close_display(va_dpy);
1800 static int print_input()
1802 printf("\n\nINPUT:Try to encode H264...\n");
1804 printf("INPUT: RateControl : %s\n", rc_to_string(rc_mode));
1805 printf("INPUT: Resolution : %dx%dframes\n", frame_width, frame_height);
1806 printf("INPUT: FrameRate : %d\n", frame_rate);
1807 printf("INPUT: Bitrate : %d\n", frame_bitrate);
1808 printf("INPUT: Slieces : %d\n", frame_slices);
1809 printf("INPUT: IntraPeriod : %d\n", intra_period);
1810 printf("INPUT: IDRPeriod : %d\n", intra_idr_period);
1811 printf("INPUT: IpPeriod : %d\n", ip_period);
1812 printf("INPUT: Initial QP : %d\n", initial_qp);
1813 printf("INPUT: Min QP : %d\n", minimal_qp);
1814 printf("INPUT: Coded Clip : %s\n", coded_fn);
1816 printf("\n\n"); /* return back to startpoint */
1822 //H264Encoder::H264Encoder(SDL_Window *window, SDL_GLContext context, int width, int height, const char *output_filename)
1823 H264Encoder::H264Encoder(QSurface *surface, int width, int height, const char *output_filename)
1824 : current_storage_frame(0), surface(surface)
1825 //: width(width), height(height), current_encoding_frame(0)
1828 avctx = avformat_alloc_context();
1829 avctx->oformat = av_guess_format(NULL, output_filename, NULL);
1830 strcpy(avctx->filename, output_filename);
1831 if (avio_open2(&avctx->pb, output_filename, AVIO_FLAG_WRITE, &avctx->interrupt_callback, NULL) < 0) {
1832 fprintf(stderr, "%s: avio_open2() failed\n", output_filename);
1835 AVCodec *codec_video = avcodec_find_encoder(AV_CODEC_ID_H264);
1836 avstream_video = avformat_new_stream(avctx, codec_video);
1837 if (avstream_video == nullptr) {
1838 fprintf(stderr, "%s: avformat_new_stream() failed\n", output_filename);
1841 avstream_video->time_base = AVRational{1, TIMEBASE};
1842 avstream_video->codec->width = width;
1843 avstream_video->codec->height = height;
1844 avstream_video->codec->time_base = AVRational{1, TIMEBASE};
1845 avstream_video->codec->ticks_per_frame = 1; // or 2?
1847 AVCodec *codec_audio = avcodec_find_encoder(AV_CODEC_ID_MP3);
1848 avstream_audio = avformat_new_stream(avctx, codec_audio);
1849 if (avstream_audio == nullptr) {
1850 fprintf(stderr, "%s: avformat_new_stream() failed\n", output_filename);
1853 avstream_audio->time_base = AVRational{1, TIMEBASE};
1854 avstream_audio->codec->bit_rate = 256000;
1855 avstream_audio->codec->sample_rate = 48000;
1856 avstream_audio->codec->sample_fmt = AV_SAMPLE_FMT_FLTP;
1857 avstream_audio->codec->channels = 2;
1858 avstream_audio->codec->channel_layout = AV_CH_LAYOUT_STEREO;
1859 avstream_audio->codec->time_base = AVRational{1, TIMEBASE};
1862 if (avcodec_open2(avstream_audio->codec, codec_audio, NULL) < 0) {
1863 fprintf(stderr, "Could not open codec\n");
1867 if (avformat_write_header(avctx, NULL) < 0) {
1868 fprintf(stderr, "%s: avformat_write_header() failed\n", output_filename);
1872 frame_width = width;
1873 frame_height = height;
1874 frame_width_mbaligned = (frame_width + 15) & (~15);
1875 frame_height_mbaligned = (frame_height + 15) & (~15);
1876 frame_bitrate = 15000000; // / 60;
1877 current_frame_encoding = 0;
1884 // No frames are ready yet.
1885 memset(srcsurface_status, SRC_SURFACE_FREE, sizeof(srcsurface_status));
1887 memset(&seq_param, 0, sizeof(seq_param));
1888 memset(&pic_param, 0, sizeof(pic_param));
1889 memset(&slice_param, 0, sizeof(slice_param));
1891 storage_thread = std::thread(&H264Encoder::storage_task_thread, this);
1893 copy_thread = std::thread([this]{
1894 //SDL_GL_MakeCurrent(window, context);
1895 QOpenGLContext *context = create_context();
1896 eglBindAPI(EGL_OPENGL_API);
1897 if (!make_current(context, this->surface)) {
1898 printf("display=%p surface=%p context=%p curr=%p err=%d\n", eglGetCurrentDisplay(), this->surface, context, eglGetCurrentContext(),
1906 H264Encoder::~H264Encoder()
1909 unique_lock<mutex> lock(storage_task_queue_mutex);
1910 storage_thread_should_quit = true;
1911 storage_task_queue_changed.notify_all();
1914 unique_lock<mutex> lock(frame_queue_mutex);
1915 copy_thread_should_quit = true;
1916 frame_queue_nonempty.notify_one();
1918 storage_thread.join();
1924 av_write_trailer(avctx);
1925 avformat_free_context(avctx);
1928 bool H264Encoder::begin_frame(GLuint *y_tex, GLuint *cbcr_tex)
1931 // Wait until this frame slot is done encoding.
1932 std::unique_lock<std::mutex> lock(storage_task_queue_mutex);
1933 storage_task_queue_changed.wait(lock, [this]{ return storage_thread_should_quit || (srcsurface_status[current_storage_frame % SURFACE_NUM] == SRC_SURFACE_FREE); });
1934 if (storage_thread_should_quit) return false;
1937 //*fbo = fbos[current_storage_frame % SURFACE_NUM];
1938 GLSurface *surf = &gl_surfaces[current_storage_frame % SURFACE_NUM];
1939 *y_tex = surf->y_tex;
1940 *cbcr_tex = surf->cbcr_tex;
1942 VASurfaceID surface = surf->src_surface;
1943 VAStatus va_status = vaDeriveImage(va_dpy, surface, &surf->surface_image);
1944 CHECK_VASTATUS(va_status, "vaDeriveImage");
1946 VABufferInfo buf_info;
1947 buf_info.mem_type = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME; // or VA_SURFACE_ATTRIB_MEM_TYPE_KERNEL_DRM?
1948 va_status = vaAcquireBufferHandle(va_dpy, surf->surface_image.buf, &buf_info);
1949 CHECK_VASTATUS(va_status, "vaAcquireBufferHandle");
1952 surf->y_egl_image = EGL_NO_IMAGE_KHR;
1953 EGLint y_attribs[] = {
1954 EGL_WIDTH, frame_width,
1955 EGL_HEIGHT, frame_height,
1956 EGL_LINUX_DRM_FOURCC_EXT, fourcc_code('R', '8', ' ', ' '),
1957 EGL_DMA_BUF_PLANE0_FD_EXT, EGLint(buf_info.handle),
1958 EGL_DMA_BUF_PLANE0_OFFSET_EXT, EGLint(surf->surface_image.offsets[0]),
1959 EGL_DMA_BUF_PLANE0_PITCH_EXT, EGLint(surf->surface_image.pitches[0]),
1963 surf->y_egl_image = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, y_attribs);
1964 assert(surf->y_egl_image != EGL_NO_IMAGE_KHR);
1966 // Associate Y image to a texture.
1967 glBindTexture(GL_TEXTURE_2D, *y_tex);
1968 glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, surf->y_egl_image);
1970 // Create CbCr image.
1971 surf->cbcr_egl_image = EGL_NO_IMAGE_KHR;
1972 EGLint cbcr_attribs[] = {
1973 EGL_WIDTH, frame_width,
1974 EGL_HEIGHT, frame_height,
1975 EGL_LINUX_DRM_FOURCC_EXT, fourcc_code('G', 'R', '8', '8'),
1976 EGL_DMA_BUF_PLANE0_FD_EXT, EGLint(buf_info.handle),
1977 EGL_DMA_BUF_PLANE0_OFFSET_EXT, EGLint(surf->surface_image.offsets[1]),
1978 EGL_DMA_BUF_PLANE0_PITCH_EXT, EGLint(surf->surface_image.pitches[1]),
1982 surf->cbcr_egl_image = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, cbcr_attribs);
1983 assert(surf->cbcr_egl_image != EGL_NO_IMAGE_KHR);
1985 // Associate CbCr image to a texture.
1986 glBindTexture(GL_TEXTURE_2D, *cbcr_tex);
1987 glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, surf->cbcr_egl_image);
1992 void H264Encoder::add_audio(int64_t pts, std::vector<float> audio)
1995 unique_lock<mutex> lock(frame_queue_mutex);
1996 pending_audio_frames[pts] = move(audio);
1998 frame_queue_nonempty.notify_one();
2002 void H264Encoder::end_frame(RefCountedGLsync fence, int64_t pts, const std::vector<RefCountedFrame> &input_frames)
2005 unique_lock<mutex> lock(frame_queue_mutex);
2006 pending_video_frames[current_storage_frame] = PendingFrame{ fence, input_frames, pts };
2007 ++current_storage_frame;
2009 frame_queue_nonempty.notify_one();
2012 void H264Encoder::copy_thread_func()
2014 int64_t last_dts = -1;
2018 encoding2display_order(current_frame_encoding, intra_period, intra_idr_period, ip_period,
2019 ¤t_frame_display, ¤t_frame_type, &pts_lag);
2020 if (current_frame_type == FRAME_IDR) {
2022 current_frame_num = 0;
2023 current_IDR_display = current_frame_display;
2027 unique_lock<mutex> lock(frame_queue_mutex);
2028 frame_queue_nonempty.wait(lock, [this]{ return copy_thread_should_quit || pending_video_frames.count(current_frame_display) != 0; });
2029 if (copy_thread_should_quit) return;
2030 frame = move(pending_video_frames[current_frame_display]);
2031 pending_video_frames.erase(current_frame_display);
2034 // Wait for the GPU to be done with the frame.
2035 glClientWaitSync(frame.fence.get(), 0, 0);
2037 // Release back any input frames we needed to render this frame.
2038 frame.input_frames.clear();
2041 GLSurface *surf = &gl_surfaces[current_frame_display % SURFACE_NUM];
2042 eglDestroyImageKHR(eglGetCurrentDisplay(), surf->y_egl_image);
2043 eglDestroyImageKHR(eglGetCurrentDisplay(), surf->cbcr_egl_image);
2044 VAStatus va_status = vaReleaseBufferHandle(va_dpy, surf->surface_image.buf);
2045 CHECK_VASTATUS(va_status, "vaReleaseBufferHandle");
2046 va_status = vaDestroyImage(va_dpy, surf->surface_image.image_id);
2047 CHECK_VASTATUS(va_status, "vaDestroyImage");
2049 VASurfaceID surface = surf->src_surface;
2051 // Schedule the frame for encoding.
2052 va_status = vaBeginPicture(va_dpy, context_id, surface);
2053 CHECK_VASTATUS(va_status, "vaBeginPicture");
2055 if (current_frame_type == FRAME_IDR) {
2058 if (h264_packedheader) {
2059 render_packedsequence();
2060 render_packedpicture();
2063 //render_sequence();
2068 va_status = vaEndPicture(va_dpy, context_id);
2069 CHECK_VASTATUS(va_status, "vaEndPicture");
2071 // Determine the pts and dts of this frame.
2072 int64_t pts = frame.pts;
2074 if (pts_lag == -1) {
2075 assert(last_dts != -1);
2076 dts = last_dts + (TIMEBASE / frame_rate);
2078 dts = pts - pts_lag;
2082 // so now the data is done encoding (well, async job kicked off)...
2083 // we send that to the storage thread
2085 tmp.display_order = current_frame_display;
2086 tmp.frame_type = current_frame_type;
2089 storage_task_enqueue(move(tmp));
2091 update_ReferenceFrames();
2092 ++current_frame_encoding;