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[spatial svc] Remove useless APIs and variables 

Change-Id: If8cd3879aa2a498a2b1b97cedb88b2b3bd97f0ba
This commit is contained in:
Minghai Shang 2014-09-11 14:17:45 -07:00 коммит произвёл Gerrit Code Review
Родитель 3e7b04af54
Коммит bb74a77c26
4 изменённых файлов: 15 добавлений и 79 удалений
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2
vpx/exports_enc
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@ -8,11 +8,9 @@ text vpx_codec_get_preview_frame
text vpx_codec_set_cx_data_buf
text vpx_svc_dump_statistics
text vpx_svc_encode
text vpx_svc_get_encode_frame_count
text vpx_svc_get_message
text vpx_svc_init
text vpx_svc_release
text vpx_svc_set_keyframe
text vpx_svc_set_options
text vpx_svc_set_quantizers
text vpx_svc_set_scale_factors

82
vpx/src/svc_encodeframe.c
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@ -106,12 +106,8 @@ typedef struct SvcInternal {
int kf_dist; // distance between keyframes
// state variables
int encode_frame_count;
int psnr_pkt_received;
int frame_within_gop;
int layers;
int layer;
int is_keyframe;
int use_multiple_frame_contexts;
char message_buffer[2048];
@ -342,13 +338,14 @@ vpx_codec_err_t vpx_svc_set_scale_factors(SvcContext *svc_ctx,
return VPX_CODEC_OK;
}
void assign_layer_bitrates(const SvcInternal *const si,
void assign_layer_bitrates(const SvcContext *svc_ctx,
vpx_codec_enc_cfg_t *const enc_cfg) {
int i;
const SvcInternal *const si = get_const_svc_internal(svc_ctx);
if (si->bitrates[0] != 0) {
enc_cfg->rc_target_bitrate = 0;
for (i = 0; i < si->layers; ++i) {
for (i = 0; i < svc_ctx->spatial_layers; ++i) {
enc_cfg->ss_target_bitrate[i] = (unsigned int)si->bitrates[i];
enc_cfg->rc_target_bitrate += si->bitrates[i];
}
@ -356,7 +353,7 @@ void assign_layer_bitrates(const SvcInternal *const si,
float total = 0;
float alloc_ratio[VPX_SS_MAX_LAYERS] = {0};
for (i = 0; i < si->layers; ++i) {
for (i = 0; i < svc_ctx->spatial_layers; ++i) {
if (si->scaling_factor_den[i] > 0) {
alloc_ratio[i] = (float)(si->scaling_factor_num[i] * 1.0 /
si->scaling_factor_den[i]);
@ -366,7 +363,7 @@ void assign_layer_bitrates(const SvcInternal *const si,
}
}
for (i = 0; i < si->layers; ++i) {
for (i = 0; i < svc_ctx->spatial_layers; ++i) {
if (total > 0) {
enc_cfg->ss_target_bitrate[i] = (unsigned int)
(enc_cfg->rc_target_bitrate * alloc_ratio[i] / total);
@ -445,12 +442,10 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
if (svc_ctx->temporal_layers > VPX_TS_MAX_LAYERS)
svc_ctx->temporal_layers = VPX_TS_MAX_LAYERS;
si->layers = svc_ctx->spatial_layers;
assign_layer_bitrates(si, enc_cfg);
assign_layer_bitrates(svc_ctx, enc_cfg);
#if CONFIG_SPATIAL_SVC
for (i = 0; i < si->layers; ++i)
for (i = 0; i < svc_ctx->spatial_layers; ++i)
enc_cfg->ss_enable_auto_alt_ref[i] = si->enable_auto_alt_ref[i];
#endif
@ -464,24 +459,9 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
}
// modify encoder configuration
enc_cfg->ss_number_layers = si->layers;
enc_cfg->ss_number_layers = svc_ctx->spatial_layers;
enc_cfg->ts_number_layers = svc_ctx->temporal_layers;
// TODO(ivanmaltz): determine if these values need to be set explicitly for
// svc, or if the normal default/override mechanism can be used
enc_cfg->rc_dropframe_thresh = 0;
enc_cfg->rc_resize_allowed = 0;
if (enc_cfg->g_pass == VPX_RC_ONE_PASS) {
enc_cfg->rc_min_quantizer = 33;
enc_cfg->rc_max_quantizer = 33;
}
enc_cfg->rc_undershoot_pct = 100;
enc_cfg->rc_overshoot_pct = 15;
enc_cfg->rc_buf_initial_sz = 500;
enc_cfg->rc_buf_optimal_sz = 600;
enc_cfg->rc_buf_sz = 1000;
if (enc_cfg->g_error_resilient == 0 && si->use_multiple_frame_contexts == 0)
enc_cfg->g_error_resilient = 1;
@ -493,7 +473,6 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
}
vpx_codec_control(codec_ctx, VP9E_SET_SVC, 1);
vpx_codec_control(codec_ctx, VP8E_SET_TOKEN_PARTITIONS, 1);
return VPX_CODEC_OK;
}
@ -505,10 +484,10 @@ vpx_codec_err_t vpx_svc_get_layer_resolution(const SvcContext *svc_ctx,
int w, h, num, den;
const SvcInternal *const si = get_const_svc_internal(svc_ctx);
if (svc_ctx == NULL || si == NULL || width == NULL || height == NULL) {
if (svc_ctx == NULL || si == NULL || width == NULL || height == NULL)
return VPX_CODEC_INVALID_PARAM;
if (layer < 0 || layer >= svc_ctx->spatial_layers)
return VPX_CODEC_INVALID_PARAM;
}
if (layer < 0 || layer >= si->layers) return VPX_CODEC_INVALID_PARAM;
num = si->scaling_factor_num[layer];
den = si->scaling_factor_den[layer];
@ -552,7 +531,6 @@ static void set_svc_parameters(SvcContext *svc_ctx,
svc_params.max_quantizer = codec_ctx->config.enc->rc_max_quantizer;
}
svc_params.distance_from_i_frame = si->frame_within_gop;
vpx_codec_control(codec_ctx, VP9E_SET_SVC_PARAMETERS, &svc_params);
}
@ -573,22 +551,9 @@ vpx_codec_err_t vpx_svc_encode(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
svc_log_reset(svc_ctx);
si->layers = svc_ctx->spatial_layers;
if (si->encode_frame_count == 0) {
si->frame_within_gop = 0;
}
si->is_keyframe = (si->frame_within_gop == 0);
if (rawimg != NULL) {
svc_log(svc_ctx, SVC_LOG_DEBUG,
"vpx_svc_encode layers: %d, frame_count: %d, "
"frame_within_gop: %d\n", si->layers, si->encode_frame_count,
si->frame_within_gop);
}
if (rawimg != NULL) {
// encode each layer
for (si->layer = 0; si->layer < si->layers; ++si->layer) {
for (si->layer = 0; si->layer < svc_ctx->spatial_layers; ++si->layer) {
set_svc_parameters(svc_ctx, codec_ctx);
}
}
@ -635,7 +600,7 @@ vpx_codec_err_t vpx_svc_encode(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
}
case VPX_CODEC_SPATIAL_SVC_LAYER_SIZES: {
int i;
for (i = 0; i < si->layers; ++i)
for (i = 0; i < svc_ctx->spatial_layers; ++i)
si->bytes_sum[i] += cx_pkt->data.layer_sizes[i];
break;
}
@ -646,11 +611,6 @@ vpx_codec_err_t vpx_svc_encode(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
}
}
if (rawimg != NULL) {
++si->frame_within_gop;
++si->encode_frame_count;
}
return VPX_CODEC_OK;
}
@ -660,18 +620,6 @@ const char *vpx_svc_get_message(const SvcContext *svc_ctx) {
return si->message_buffer;
}
int vpx_svc_get_encode_frame_count(const SvcContext *svc_ctx) {
const SvcInternal *const si = get_const_svc_internal(svc_ctx);
if (svc_ctx == NULL || si == NULL) return 0;
return si->encode_frame_count;
}
void vpx_svc_set_keyframe(SvcContext *svc_ctx) {
SvcInternal *const si = get_svc_internal(svc_ctx);
if (svc_ctx == NULL || si == NULL) return;
si->frame_within_gop = 0;
}
static double calc_psnr(double d) {
if (d == 0) return 100;
return -10.0 * log(d) / log(10.0);
@ -696,7 +644,7 @@ const char *vpx_svc_dump_statistics(SvcContext *svc_ctx) {
if (number_of_frames <= 0) return vpx_svc_get_message(svc_ctx);
svc_log(svc_ctx, SVC_LOG_INFO, "\n");
for (i = 0; i < si->layers; ++i) {
for (i = 0; i < svc_ctx->spatial_layers; ++i) {
svc_log(svc_ctx, SVC_LOG_INFO,
"Layer %d Average PSNR=[%2.3f, %2.3f, %2.3f, %2.3f], Bytes=[%u]\n",
@ -731,7 +679,7 @@ const char *vpx_svc_dump_statistics(SvcContext *svc_ctx) {
}
// only display statistics once
si->encode_frame_count = 0;
si->psnr_pkt_received = 0;
svc_log(svc_ctx, SVC_LOG_INFO, "Total Bytes=[%u]\n", bytes_total);
return vpx_svc_get_message(svc_ctx);

9
vpx/svc_context.h
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@ -102,15 +102,6 @@ vpx_codec_err_t vpx_svc_get_layer_resolution(const SvcContext *svc_ctx,
int layer,
unsigned int *width,
unsigned int *height);
/**
* return number of frames that have been encoded
*/
int vpx_svc_get_encode_frame_count(const SvcContext *svc_ctx);
/**
* force the next frame to be a keyframe
*/
void vpx_svc_set_keyframe(SvcContext *svc_ctx);
#ifdef __cplusplus
} // extern "C"

1
vpx/vp8cx.h
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@ -307,7 +307,6 @@ typedef struct vpx_svc_parameters {
int temporal_layer; /**< current temporal layer number - 0 = base */
int max_quantizer; /**< max quantizer for current layer */
int min_quantizer; /**< min quantizer for current layer */
int distance_from_i_frame; /**< frame number within current gop */
int lst_fb_idx; /**< last frame frame buffer index */
int gld_fb_idx; /**< golden frame frame buffer index */
int alt_fb_idx; /**< alt reference frame frame buffer index */