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Merge "vp9-svc: Add checks to layer bitrates in vp9_spatial_svc_encoder."

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This commit is contained in:
Marco Paniconi 2016-10-31 18:23:13 +00:00 committed by Gerrit Code Review
commit 702b3e1ee5
1 changed files with 25 additions and 10 deletions
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35
vpx/src/svc_encodeframe.c
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@ -183,7 +183,7 @@ static vpx_codec_err_t parse_layer_options_from_string(SvcContext *svc_ctx,
svc_log(svc_ctx, SVC_LOG_ERROR,
"svc: layer params type: %d %d values required, "
"but only %d specified\n",
type, svc_ctx->spatial_layers, i);
type, num_layers, i);
res = VPX_CODEC_INVALID_PARAM;
}
free(input_string);
@ -294,26 +294,30 @@ vpx_codec_err_t vpx_svc_set_options(SvcContext *svc_ctx, const char *options) {
return VPX_CODEC_OK;
}
void assign_layer_bitrates(const SvcContext *svc_ctx,
vpx_codec_enc_cfg_t *const enc_cfg) {
vpx_codec_err_t assign_layer_bitrates(const SvcContext *svc_ctx,
vpx_codec_enc_cfg_t *const enc_cfg) {
int i;
const SvcInternal_t *const si = get_const_svc_internal(svc_ctx);
int sl, tl, spatial_layer_target;
if (svc_ctx->temporal_layering_mode != 0) {
if (si->bitrates[0] != 0) {
enc_cfg->rc_target_bitrate = 0;
unsigned int total_bitrate = 0;
for (sl = 0; sl < svc_ctx->spatial_layers; ++sl) {
enc_cfg->rc_target_bitrate +=
si->bitrates[sl * svc_ctx->temporal_layers +
svc_ctx->temporal_layers - 1];
total_bitrate += si->bitrates[sl * svc_ctx->temporal_layers +
svc_ctx->temporal_layers - 1];
for (tl = 0; tl < svc_ctx->temporal_layers; ++tl) {
enc_cfg->ss_target_bitrate[sl * svc_ctx->temporal_layers] +=
(unsigned int)si->bitrates[sl * svc_ctx->temporal_layers + tl];
enc_cfg->layer_target_bitrate[sl * svc_ctx->temporal_layers + tl] =
si->bitrates[sl * svc_ctx->temporal_layers + tl];
if (tl > 0 && (si->bitrates[sl * svc_ctx->temporal_layers + tl] <=
si->bitrates[sl * svc_ctx->temporal_layers + tl - 1]))
return VPX_CODEC_INVALID_PARAM;
}
}
if (total_bitrate != enc_cfg->rc_target_bitrate)
return VPX_CODEC_INVALID_PARAM;
} else {
float total = 0;
float alloc_ratio[VPX_MAX_LAYERS] = { 0 };
@ -350,12 +354,14 @@ void assign_layer_bitrates(const SvcContext *svc_ctx,
}
} else {
if (si->bitrates[0] != 0) {
enc_cfg->rc_target_bitrate = 0;
unsigned int total_bitrate = 0;
for (i = 0; i < svc_ctx->spatial_layers; ++i) {
enc_cfg->ss_target_bitrate[i] = (unsigned int)si->bitrates[i];
enc_cfg->layer_target_bitrate[i] = (unsigned int)si->bitrates[i];
enc_cfg->rc_target_bitrate += si->bitrates[i];
total_bitrate += si->bitrates[i];
}
if (total_bitrate != enc_cfg->rc_target_bitrate)
return VPX_CODEC_INVALID_PARAM;
} else {
float total = 0;
float alloc_ratio[VPX_MAX_LAYERS] = { 0 };
@ -378,6 +384,7 @@ void assign_layer_bitrates(const SvcContext *svc_ctx,
}
}
}
return VPX_CODEC_OK;
}
vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
@ -464,7 +471,15 @@ vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
(int)VPX_MAX_LAYERS);
return VPX_CODEC_INVALID_PARAM;
}
assign_layer_bitrates(svc_ctx, enc_cfg);
res = assign_layer_bitrates(svc_ctx, enc_cfg);
if (res != VPX_CODEC_OK) {
svc_log(svc_ctx, SVC_LOG_ERROR,
"layer bitrates incorrect: \n"
"1) spatial layer bitrates should sum up to target \n"
"2) temporal layer bitrates should be increasing within \n"
"a spatial layer \n");
return VPX_CODEC_INVALID_PARAM;
}
#if CONFIG_SPATIAL_SVC
for (i = 0; i < svc_ctx->spatial_layers; ++i)